What kind of Batteries do I need for my Boat? Marine batteries explained!

Lithium batteries? What about AGM or Lead Acid batteries? What does VRLA mean? One of the most common questions I get from my most popular video on the channel (you can check that out here: • How to properly instal... ) are from folks asking what kind of batteries should they use on their boat, what size to buy and what type. So, with the fishing season closed until June, I thought it would be a great time to start a video series on boat maintenance and tips, and I figured we'd start with the basics, and that's your boat's power source!
In today's video, I run over the most common battery applications on your boat, different battery technology, sizes required, preferred brands and some general installation and maintenance tips to maximize the life of your batteries.
I do mention several products and brands, so here's a complete list of links to everything we talk about:
INSTALLATION AND MAINTENANCE
■ ProMariner ProSport 3 Bank Charger: amzn.to/2U4OXrj
■ ProMariner ProSport 2 Bank Charger: amzn.to/33icrNX
■ ProMariner ProSport 1 Bank Charger: amzn.to/39RvzVp
■ Noco Marine 4 Bank Charger: amzn.to/2ISwg4R
■ Battery post protectors: amzn.to/2WdxZcV
■ Battery tray and strap for group 24 to 31 size batteries: amzn.to/3aWLXUR
■ Group 31 Deep Cycle Marine Batteries: amzn.to/2vlK30O
■ Group 24 Marine Batteries: amzn.to/2TR1kZm
■ Noco 12v DC Outlet: amzn.to/39TfPRI
■ Noco 4 bank charger and tender: amzn.to/39Rxlpx
BATTERY COMPANIES
■ Walmart Everstart Maxx Group 29 Deep Cycle Battery: www.walmart.com/ip/EverStart-...
■ Lithium Pros: www.lithiumpros.com/
■ Millertech Lithium: www.mtechlithium.com/
■ Optima: www.mtechlithium.com/
■ Odyssey: www.odysseybattery.com/
■ Duracell: www.driveduracell.com/marine-...
■ Diehard: www.diehard.com/products/vehi...
■ ACDelco: www.acdelco.com/parts/batteri...
■ Interstate: www.interstatebatteries.com/r...
■ Canadian Tire Nautilus: www.canadiantire.ca/en/sports...
I hope this video helps you guys out, please drop a comment if you have a question and I'll try my best to help you out :)
Tight lines everyone!
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[@BE-zu6ov]

Thank you for this video. You did an excellent and very thorough job of explaining about marine batteries and I certainly appreciate it.

[@DanRichardFishing]

Why thank you very much, I really appreciate the kind words :) All the best!

[@ErvinJones-rb4kj]

Best video on batteries that I have seen! Looking forward to more. Thanks!!

[@joekane9380]

Extremely helpful! I appreciate you getting right into the basics and simple theory. Subscribed. Keep 'em coming sir. Thank you.

[@DanRichardFishing]

You are very welcome and thank you so much for the sub and kind comments! :)

[@____Hugo____]

Amazing video, I appreciate all the knowledge shared. Definitely makes buying a battery so much simpler when you have this much info on all the different types out there.

[@DanRichardFishing]

Thank you so much! I'll be doing more videos over the winter on batteries but will probably focus more on lithium as that technology continues to overtake the fishing industry.

[@russellstuart8654]

Really appreciate this video and that comes from a guy who lives in the UK and keeps a boat 9n the Norfolk Broads - one of our National Parks here . Lots of boats of all different sizes but the issues remain the same as Canada in terms of how to use a boat correctly and effectively . Your video addresses all the relevant points in clear concise detail . As I am about to replace my own batteries your help is invaluable, thank you from a UK fan .

[@DanRichardFishing]

My pleasure Russell, and as you say, proper boat maintenance and understanding your boat's electrical system is important! You guys have some beautiful fisheries in the UK, I'm looking forward to coming out again soon and taking another crack at some giant northerns or maybe some monster carp! Thank you so much for the comment and watching my video!

[@Lotusutra1]

Excellent show. I just ordered a Yamaha 25 hp with tiller handle, electric start, power trim and tilt. I'm repowering a 15 ft aluminum Lowe boat. Great info.

[@dinobernardi170]

Great great video. Thank you just bought a 16' starcraft project boat and this video was thorough and covered all the main needs. 👍👍👍

[@anglersnw]

Thank you for sharing this knowledge. I've just ordered my Minn Kota motor and researching my installation options. My motor is a 24 volt system so your info helped a lot including some of your other videos.

[@joef4694]

Very thorough. Enjoyed it very much and all the links provided was a great source as well.

[@DanRichardFishing]

Awesome, thank you!

[@kellysatterfield5384]

Very detailed on each type. Thanks for your research and content in this video.

[@DanRichardFishing]

You're very welcome, thank you for taking the time to comment :)

[@DanRichardFishing]

Hope you like this battery tutorial guys, should clear up the different technologies of batteries and help you decide what you need. One little note that someone pointed out that I completed brain farted on. A couple of times I said Lithium Ion batteries (which of course we use a TON of in household tools and electronics) however marine batteries are Lithium Iron Phosphate or also known as LiFePO or LiFePO4. Please be sure to like the video if you found it helpful! Tight lines everyone 😀

[@ramirovargas100]

I learned a lot about batteries from your talk , very clear language for a non native English speaker , only have to say : THANK YOU !.

[@DanRichardFishing]

Thank you so much Ramiro, I'm glad you were able to understand what I was talking about and it was helpful to you, thanks so much for the comment!

[@captainmajor1428]

I really liked your show I thought it was very informative and helpful 🤔 explained in plain English🙂 I got a lot out of it you answered a lot of questions I couldn't get anywhere else😁 keep up the good work

[@DanRichardFishing]

Thank you so much Captain!

[@westerpstra3325]

Thank you for the tutorial. It was very helpful and informative

[@DanRichardFishing]

You're very welcome thank you for the comment!

[@channingvenegas9984]

Damn...I just got schooled! Thanks Dan, you're the man!!!!

[@ronsherwood8309]

Great review - comcise and informative

[@DanRichardFishing]

Thanks so much Ron, really appreciate you taking the time to drop a comment :)

[@heathdalton8972]

Thanks dan for the great video. im trying to figure out a system for my small sailboat in ohio....You gave me the info i needed thanks again.....

[@DanRichardFishing]

Awesome, glad I could help! I'll be doing another battery video soon geared towards smaller craft and smaller batteries.

[@kchappie6672]

I subscribed because of this video, answered alot of questions on complicated topics simply. Thank you

[@DanRichardFishing]

Thank you so much for the sub and I'm so glad you found the video useful :)

[@kchappie6672]

@@DanRichardFishing I've seen alot of lead carbon batteries for sale, not alot of information easily avaliable wonder if you could make a video on it

[@jumpnjack8686]

Good explanations. Thanks and God bless. Keep'em coming.

[@DanRichardFishing]

Thanks so much!

[@gripandripfishingtv2453]

Great video. Thanks for the info.

[@DanRichardFishing]

Thanks so much!

[@jonathankent5898]

I agree with you on the Wal-Mart batteries. I had a group 24MS EverStart that was dated 11/2013 that finally died in December 2020. I replaced it with the exact same one.

[@DanRichardFishing]

Yep, they're great, especially considering the price!

[@erickessler6094]

Well done Dan! Thanks.

[@DanRichardFishing]

You're very welcome Eric, thanks for dropping a comment! :)

[@dennisvevoda1673]

At cabels they have a lithium ion Battery for 699 in Canada. Consider buying it after watching this video! Appreciate the info brotha, God bless!

[@DanRichardFishing]

You're very welcome Dennis, these new batteries are definitely gamer changers! All the best to you as well :)

[@bobmitchell8688]

Great explanation!🎣

[@joedoug3647]

Very helpful presentation!

[@DanRichardFishing]

Thank you so much!

[@somewheresouth]

Great job. Very helpful. Thx.

[@DanRichardFishing]

Glad it was helpful, thank you for the comment!

[@campbellriverripper]

Found this awesome..just got a canoe with a 3h electric motor..with no battery now I know what kind to get thanks for the lesson.....

[@DanRichardFishing]

You're very welcome and enjoy your new canoe!

[@hrrsntim]

Good vid Dan, thanks

[@DanRichardFishing]

No problem, thanks for the comment! 👍

[@jirving7167]

Fantastic video, very informative, one question I had that I don't believe you covered was, what are your thoughts on "Dual Purpose" marine batteries? For example - MOTOMASTER NAUTILUS Group 24 Starting & Deep Cycle Battery - would this be a good option for someone with a small alluminum boat with a 25hp or less outboard to start it and also be used to power a 12v trolling moter?

[@danielmoran1957]

Great and useful video. Thanks

[@DanRichardFishing]

Thank you very much!

[@craigbaggett3370]

Great video 😊

[@robwinemiller9712]

great video dan - i like that you covered everything based on your specific application, and budget. not everyone can afford top notch items. i wanted to let you know, i had the same issues with my walmart (everstart) batterys just last weekend. was out on the lake, and after little over and hour, the trolling motor battery lost major power, checked my digital gauge, and it was like at 8.5 volts, dang it. so pulled over, switched batteries, and my second battery, same one, was fine. got home, and after some inspection, found out that you can remove the large sticker and there are large screw caps underneath, popped them off, and it was completely dry. so filled with distilled water, and seems to be holding charge, will find out next time on the lake. but it was only 2 years old, where did the fluid go, never saw leaks or water lying around, took them in house over the winter due to the cold. so we shall see. but invested in the promariner series on board charger, so hopefully this will help, and not have to remove them. great instructions. keep up good work

[@DanRichardFishing]

Hi Rob, thank you so much for your feedback and for your sharing your battery situation. That is crazy that you lost all the fluid of the battery in a couple of years! I had a set of Walmart batteries that were 5 years old and when I changed them, they were still full! It's great that you refilled them with the distilled water, did it save the battery? What were you using to charge the batteries before the promariner? Only thing I can think of it that your battery was being overcharged, which breaks down the water inside at an accelerated rate in to hydrogen and oxygen gas and it escapes the housing. The issue is that it depletes electrolyte levels in the battery. This causes the concentration of the sulfuric acid in the electrolyte to greatly increase and then that damages the battery plates and reduces the battery life. Hopefully you were able to salvage a bit more life from it! Thanks again for the comment, take care!

[@robwinemiller9712]

@@DanRichardFishing hey, thanks for replying. Very welcome for sharing, this is how we all learn. I was able to save the battery, or let say it's working for now, will see next season, lol. But it's holding a charge and was out several times since and seemed to be fine. As for what I used before the promariner, just 3 1.5-4.0 mini charger maintainers, they seemed ok but took forever, but seemed like the battery was always loosing fluid like Maybe over heating. But so far love the promariner, great item and thank you for your honesty and review

[@6gunner634]

All of your videos that I have watched so far are super awesome. Keep up the good work.

[@thomasjml82]

Fascinating! Liked and subbed.

[@DanRichardFishing]

Thank you so much!!

[@stidechameau]

I recently discovered your channel and been binging through your content! It’s fun to find a local Montreal guy on KZbin! Great video! MERCI! For lead acid batteries, can you leave them on the battery tender for long periods of time without damaging them? I have a deep cycle battery that I maintain on a small minn kota battery tender, ready to go.

[@toycollector2611]

Well done!

[@DanRichardFishing]

Thank you!

[@donowens5883]

I do like deep cycle marine batteries that I use them for my chair as well but it seems to be at the AGM Joel system that I have works a little better for my electric wheelchair.

[@dreamingofyournexthookset757]

Great video Great info THANKSSSS

[@DanRichardFishing]

Glad it was helpful!

[@teddobol]

Digging the SMC hat.

[@DanRichardFishing]

Haha thanks! I'm wearing my SMC shirt as I type this :)

[@SamTheLumbee]

thanks for the vid very helpful

[@DanRichardFishing]

Glad it was helpful, thank you!!

[@gjordan8800]

I have been using Walmart EverStar deep cycle battery's for over 30 years never had a problem i tried them over 30 years ago and never looked back and still using them

[@chuckster-bass1866]

Thank you so much for time into this research. Quick question, I am in a situation where I upgraded my old lowrance units to HDS-lives - replaced my 24M cranking battery to a flooded BPS battery in Dec. 2021. Fast forward to Feb. 2023 and my cranking battery is dead in about 6 hours into the day running my new units (3) .. My onboard charger does not support Lithium so my choices are flooded or AGM. Any recommendations on the best that will get me more than a tournament day's worth of time running these units, cranking the motor, running live wells, etc. in the 24M size series? thank you

[@edwardmcdowell5375]

Helped me a ton thanks bud!

[@DanRichardFishing]

Awesome, glad to hear it!!

[@charlieryan4303]

Deka Batteries I find are the greatest batteries I have ever used, highly higly reccomend. Little bit pricey but thats because they are made in USA, but you definitely get your moneys worth

[@DanRichardFishing]

Thanks Charlie, I'll check them out!

[@tom5848]

subscribed. Great channel

[@DanRichardFishing]

Thanks so much for the sub Tom! :)

[@code3responsevideos872]

Great video. There are some heavy truck batteries that have the threaded terminals too. Be aware of what you’re buying, the heavy truck batteries are NOT deep cycle.

[@DanRichardFishing]

Exactly right, DO NOT use automotive batteries or your trolling motor is going to have a short day lol!

[@kidritalin1]

Great video, and thank you. I have yet to see anyone address battery types and the "mixing" of them. i.e. Tying the batteries together, either permanently (in series to create 24v) or temporarily (switching to both batteries) in parallel combining for emergent starting or just charging (at 12v with both batteries). What are the possible adverse effects by tying a gel cell , deep cycle, AGM, standard wet cell starting or Lithium batteries in series or parallel? Can one damage the other?

[@DanRichardFishing]

This is a great question, thank you for asking about this and it's subject to a LOT of debate. As far as I've heard, there is no harm in mixing AGM/GEL/Flooded batteries in parallel or series, it's more of a question of does your charging system support those battery types and can it autodetect which is which. If you DO mix batteries and can't auto-select, then set the system to AGM. The only ones I would NOT mix is Lithium, I would definitely suggest you always run them separately and if you need to use a lithium battery that is rated for cranking, I would jumper it, not wire it in parallel. With that said, I would NOT recommend mixing up your batteries like this when in a permanent parallel or series setup because you risk overdraining the weaker battery and shortening it's overall lilfespan. AGM, GEL and Flooded are not supposed to drain to less than 30% or 40% charge or you shorten it's lifespan, so if you have two very different batteries, the weaker one will get drained excessively so I always recommend matching batteries in multi-battery setups. Hope that helps!!

[@santiagocorrea4435]

Nice video. I have a evinrude 115ho engine. What kind of battery is best?

[@danielshaddix3371]

Great video thanks just about to buy all need for trolling motor how as the interstate battery held up to this point

[@DanRichardFishing]

My Interstate batteries are still going strong after several years (this would be year 4 or 5 now) but I am switching to Lithium this season! Absolutely no complaints on the Interstate batteries.

[@1131Ray]

Hi! Dan....got into a boat fixer upper - getting ready to wire - 17 foot aluminum, 60 hp 4 cycle Mercury - 24v Minncota trolling motor with separate 2 12v deep cycle... Just ask what kind of battery for Cranking and House battery. for house - Bow nav Light, Stern Anchor Lite, Left and right Scotty down riggers, Lawrence GPS/Fish finder, VHF Radio, bilge pump, Live well, What do you recommend for cranking battery and house battery? and what was device to charge up the battery when boat is back home? Thank you

[@delstep2255]

Good stuff

[@DanRichardFishing]

Thank you Del!

[@jimquantic]

Thanks for posting--one question that comes up: "can I run by two battery system with BOTH batteries being deep cycle--and NOT one of them designated as a "starting battery". Answer is, yes you can, though it has the downside of not having as many cold cranking amps to get a stubborn engine running. For sure--it is better to have two deep cycle--than two starting batteries because the starting battery--though "hotter" dos not have the endurance of the deep cycle--but if your deep cycles start your engine just fine--and you have two of them, you should be OK. That does NOT mean it is recommended-what IS recommended is one deep cycle for all the electronics running on the boat--and one "slaved" to the starter, to be red hot (meaning maximum cranking amps) to get the damn thing to start as needed.

[@DanRichardFishing]

Pretty much all VRLA based batteries are pretty much hybrid starting / deep cycle batteries anyway and most purely deep cycle batteries can put out around 650 cranking amps which is fine for most boat outboards. What's important now is that you should not be using deep cycle lithium batteries as a starting battery unless the battery is specifically designed to do both. Most lithium batteries currently on the market are not dual purpose, so be sure to check that out before you buy any lithium batteries that you plan to use to start the big engine. I just did a review of a dual purpose lithium battery that I thought was pretty fantastic, and Miller Tech also makes one.

[@dhannegan]

thank you! So what about running a powerful after market stereo? Just bought a boat and the batteries need to be replaced. He put in a 3000 watt stereo with two amps. It has two batteries. Which battery would you use when idle and using the stereo? THANKS

[@robertbennett6418]

Well here I am pushing 72 years old and thinking I know all there is I need to know. I've always thought I needed a deep cycle battery as the boat battery. I bought this boat used and replaced the battery right away with a deep cycle. I've been having a miss fire code ever since I had the boat. This just might be way. Put a cranking battery in yesterday. Thanks for teaching this old dog a new trick.

[@DanRichardFishing]

You' very welcome Robert, glad I was able to help. As you said, you do not need a deep cycle for your starting battery as cranking marine battery is a hybrid anyhow. You only need the deep cycle for the trolling motor or other devices that use a lot of power on your boat. I'm not sure that will help with the miss fire code though if I'm being honest. Let me know if that clears up and thank you for the comment!! Hope at 72 I'm still operating a boat and doing some fishing too!! All the best!

[@robertbennett6418]

@@DanRichardFishing Thanks for reply/comment. Different battery might not fix missfire code problem but it just might. At this point I'll try anything to fix problem. Have replaced every electrical component and spent $1,200 bucks at dealer with no luck. Other than the code I see unburnt fuel on plugs. Funny part is that the engine runs great. No indication of a miss fire. Engine starts right up. Will let you know what happens.

[@gereonbayer2528]

Hey! Great Video. I’ve got a manual start motor. Do electronics/accessories still have to be on a starting battery or can they be on a deep cycle similar to a trolling motor. Trolling motor is on its own battery.

[@DanRichardFishing]

If you don't need a marine starting battery, then you can definitely go with a deep cycle for all your other accessories :) As you mentioned, just make sure your trolling motor is on a dedicated battery. Hope that helps! :)

[@saltysteel3996]

Optima blue tops or Interstate deep cycles. Love them both. Edit: Amperage is pulled, not pushed. Voltage is pushed, not pulled. When voltage goes up, amperage goes down. Batteries do not push amps, they just have a limit on how many amps they can handle being pulled out of them before over heating and/or failing.

[@DanRichardFishing]

I'm currently running interstate and even though they seem to have a bad rap, mine have worked perfectly. And yes amps are pulled by the electric device connected. I believe it's called ohm's law. If I said otherwise I probably just misspoke, it's not always easy putting these videos together when you're trying to concentrate on lighting and camera and audio and making sure your words are all straight as well LOL! Usually if I catch an error while I'm editing I put a little subtitle to correct myself 🤣

[@garyradtke3252]

Maintenance free batteries still have vents but are pressure controlled. As I understand it the battery is constructed so evaporation and gassing is minimized and condenses back into liquid.

[@glennmaccrimmon2375]

Great video! One thing: around 21:50, you show what appears to me a battery box/tray with bolts through its bottom. Won't battery acid eat through that metal and then leak out? Holes in the bottom of battery trays kinda defeat their purpose.

[@DanRichardFishing]

Thank you Glenn! The bolts are actually located on the outside of the tray portion on the edges, they don't pierce through the tray containment area. Great point though you never want to be drilling holes through the main tray when you install these.

[@classicxl]

14ft aluminum boat would you go with a group 27 or 31 battery for trolling motor 55 lb thrust.I’ve never had any luck with Canadian tire batteries,i went through 2 sets on my dodge cummins one winter and my local walmart doesn’t carry a lot for batteries anymore. I might try napa or car quest . interstates use to be one of the best batteries you could buy . I guess like everything these days nothing the same

[@daveengstrom9250]

I found this electrifying.

[@DanRichardFishing]

😂😂 I see wut you did there

[@alexro2265]

Hey brother very informative. Quick question I have a bass boat and don’t know which way to go for my two fish finders. Should I get a battery dedicated to both fish finders and run them off that solo battery or would purchasing an add a battery kit from blue seas benefit me more? In terms of enough power to run my fish finders long. Thanks for the help and the info.

[@DanRichardFishing]

You should be able to run your graphs off the main starting battery of your boat, which should be a group 24 or 27 size marine battery and you'll have more than enough power for both all day long :) I run 3 sometimes, plus my camera gear, plus the livewell with zero issues on a 24. Hope that helps!

[@boyd241985]

Amped outdoor for my trolling motor and love it. Just wish my 50amp trolling motor wasn’t a hog on my 200amp batteries.

[@elliottturner8607]

Thanks for the video! I bought a MotoMaster Nautilus Group 27 Deep Cycle Battery and a Minn Kota Endura C2 Trolling Motor, 30-lb do you think this battery would preform well with this motor?

[@DanRichardFishing]

Yep, that's a good combo and should last you for a day of fishing if you're not leaning on the motor the entire time. It's a wee bit smaller than a 29/31 but should still do the trick. What kind of boat are you using it on?

[@martinlorentzen4731]

yo, nice video, I've looked now into 4.25 minutes, and my first question is, I have a 25food nordic folk boat, I don't have a trolling machine, but just some small lamps and a Germen 421 GPS. I want to install also a VHF and maybe a few more laps and a small inverter for phone charging etc. do I need deep cycling or start battery? deep cycling seems like it has more juice in it? for a longer offshore experience without recharging or how should I understand it. Regards Martin.

[@DanRichardFishing]

Hi Martin, you have a larger pleasure craft/sail boat for long rides so you definitely want to have ample power for when you're out on the water, especially for longer offshore trips like your boat would do. If you plan on doing overnight type trips, I would HIGHLY recommend you run 2 12v deep cycle batteries in parallel and maybe even have a backup battery if you have the room that you can switch to should your dual parallel system run out on long trips. You should be good with all deep cycle in your parallel setup and be find with an inverter to even run a small fridge if you wanted to. My brother has a large Maxxum cuddy cabin boat and this is his setup. Hope that helps!

[@jesperthorsson3586]

Good vid and helpful advice Dan. I am new to boating and confused about whether or not i need to charge my marine battery - and how often. I only use it for my outboard engine, not for other things such as a fridge etc. The battery is new but the motor is pretty old. Any advice much appreciated, Thanks

[@DanRichardFishing]

Hi Jesper, this is a great question and it really depends on how often you use your boat, how long you run it for and how long you run any electronics. Your motor likely has a charging system (alternator etc) and charges your battery when the motor is running. You actually test this my checking your battery's voltage when the engine is running. Assuming you have a lead acid type battery, it should be around 12.8v just sitting there, but when you run your motor, it should jump up to 13.8v or something along those lines. If it does that, your motor is charging the battery. If it stays the same or goes even lower, then your motor is not charging it and you have an issue that needs to be looked at. Assuming your motor is charging your battery, now it just becomes a question of are you charging it more than you are using it? If all you're doing is starting the boat with it, then you likely never need to charge it unless you are storing your boat for the winter. In that case, you should run a maintainer on it (also called a trickle charger) until the spring. Now, if you're running a ton of electronics on the boat like I do, then you may be draining it much faster than you are charging it. In that case, you may need to charge it every time you're done with the boat. Again, the easiest way to check this is with a voltage tester. If at the end of the day you're battery is still at 12.8 or 12.7, you don't need to charge it at all. If it's down to around 12.3 or lower, then you should charge it. Personally I wouldn't go on the water if I wasn't starting with a fully charged battery. Hope that helps!!

[@jesperthorsson3586]

@@DanRichardFishing Fantastic, thanks Dan. I have asked the same question of a few other KZbinrs but you're the only one who has given useful advice (using language that I understand considering I am a novice). Many thanks 👍

[@cbofresh861]

Great video. Just got a boat and learning. First thing I had to replace was a battery from 2012. On the first trip out, the motor started right away. However, when I returned to flush the motor it did not start. So, I brought the same exact battery - super start marine deep cycle (27DCMJ). I did not notice any grease on the old battery. Do you recommend greasing it? If so, what kind of grease? What do you think of that battery brand? Also, i plan to hook up a garmin 94sv, would it be sufficient to run it off that one battery or should I add a second? Thanks for posting quality vids, I also watched how to fix the trim through your video.

[@DanRichardFishing]

Hey first off, thanks so much for the great feedback, I'm really happy that my videos have helped you! As for the battery a 2012 was definitely on borrowed time lol! The longest you really want to go is 6 years, after that you should probably replace it either way. I'm not too sure about the battery brand but you should definitely be okay in terms of running your Garmin all day no worries there. I definitely do not use any kind of grease on my terminals I find it just makes a disgusting mess. I prefer using a terminal spray protectant but even that I don't really use because I scrubbed all of my terminals and connectors at the beginning and end of every season. I don't really have a brand that I prefer so just grab something off of Amazon or your local hardware store and it should be fine but like I said I haven't been using it and I've been using boats and batteries for 30 years. Hope that helps, all the very best and please let me know if you have any more questions!! 👍

[@owenj.1669]

I have an interstate battery like the one you have in this video that I use for trolling. My battery charger gives me three options to choose from: STD, AGM and GEL. What is the right option to select when charging?

[@DanRichardFishing]

Your charger does not detect it automatically? Normally it should. If you have the same battery I do, you're going to choose STD, which is just a regular lead acid battery. All the best!

[@MannyGunzz]

Great review, after charging my battery, how long can i wait to recharge it say if I don't use it with in the month

[@DanRichardFishing]

Generally I leave my onboard chargers plugged in constantly, but if you're not doing that, I would say plug it in once a month or so. I wouldn't go longer than 3 - 4 months.

[@daviddavis2321]

I need one to start my 9.9 and power the trolling motor together

[@gabriellombera7370]

Hi. I doing my van conversion and I looking for best battery for a bank battery. And some one told me the marine battery’s are the best. What you recommen me? Thank

[@maxgreen8901]

Nice, what about the Dual Purpose, like Nautilus Exide Dual Purpose batteries. Do you have any experience with them? I use them for accessories like winches, as well as a backup starting trucks.

[@DanRichardFishing]

I have not used or really heard anything either way on the Exide series, but I have used the Nautilus brand from Canadian Tire in my boat but I don't believe they are the same company. That battery was great until I accidentally left my boat console lights on and completely killed the battery and I was not able to recover it. What's worse is I only discovered it was totally drained when I got to the ramp and I tried to trim up my motor. DOH! Learned that lesson... now I always check power before I leave the house by giving the trim switch a quick tap lol

[@lebronsherrell3357]

What kind of batteries should I use , I have 2000 s s 22 extreme bass boat , what kind of starting battery and to run all the components and my trolling motor. And information will help Thankyou

[@DanRichardFishing]

Hi Lebron, sorry for the late reply! That's a beautiful boat! So all this depends on your budget... are you looking for the best like lithium, or do you want good dependable power for a budget price? Also are you running a 36v trolling motor or a 24v? I'm assuming you need 4 batteries. If you're on a budget, I've been very happy with the Walmart Everstart Maxx marine batteries. You want 3 Group 31 or 29 batteries for your TM (2 if you're 24v) and 1 group 27 as your main. That's a great basic setup that should last you all day on the water.

[@YTxZephyr]

Quick question if u dont mind answering, I just perchased my first 12.5 inflatable boat but im having trouble diciding some things and figuring it out, what battery size would you recommend someone thats either getting a 55lb thrust trolling motor or 62 to 86lb is also confusing for that size of a boat and for someone going on Lakes like Big Bear with just 2 people and light fishing gear?

[@DanRichardFishing]

Great question, I would go with a 55lb 12v trolling motor for a small inflatable, it's more than enough! I know guys using the same thing for 14 foot aluminum boats and are fine with that power. As for battery, I would get the biggest you can seeing as you are relying on that motor and battery for getting around. If you can afford it, go with lithium so you save on the weight. 100AH battery or higher.

[@jackson4861]

Which lithium ion po4 battery do I choose for starting the motor and powering my electric motor, one battery- double duty .

[@sutv6754]

Hey Dan, A lot of these batteries don't state the AH. Like the everstart does not mention the ah it only has CCA 845 and in the specs it say 845 AMPS. min kota says the best would be 110 AH for my ENDUA C2 TROLLING MOTER. How do I know the AH on this battery ? EverStart Maxx Marine Battery, Group Size 29DC (12 Volts/845 CCA)

[@DanRichardFishing]

Are you sure they don't state the Reserve Capacity? You can use that to calculate amp hours, I actually show you the exact calculation step by step here kzbin.info/www/bejne/j4XPanhjdteNmdk Also, I am almost positive that Everstart MAXX batteries have a sticker on the top of the battery that states amp hours at 1A. Hope that helps!

[@yingpin18]

So I am late to the game here but I just found a Alumacraft 1648 jon boat and it has a pull start Merc 9.9. I want to add a transom mount trolling motor, 36" shaft and was wondering if you could recommend thrust for general trolling lakes for bass and snakehead. I found your post while searching a battery and was wondering if I could run Nav lights occasionally or phone charger with the same battery used with my trolling motor?

[@DanRichardFishing]

That's a great question and a 12v trolling motor would work great with your boat, a 40lb thrust like the Minn Kota 44Lb Endura would do a great job! This might sound like a silly question but why not troll with the 9.9? A 9.9 is a perfect kicker and great for trolling, I would think that would work fine. You can definitely run your nav lights and a phone charger off the same battery, just make sure you get a full size group 31 battery for max amp hours or maybe even consider a lithium battery. I'm about to review one and test it with exactly this kind of trolling motor to see how much it drains the battery. I should have that video up in a couple of weeks :) Only thing you don't want to run off the same battery as your trolling motor is a fish finder, otherwise you get the interference. Hope that helps!

[@markfeldhaus3693]

Nice vid but did I miss anything about weight differences?

[@DanRichardFishing]

Hi Mark, I did mention that Lithium is more than half the weight of VRLA batteries of the same size class.

[@zoomzoomgt]

Hey. Great vid. So you gotta buy 2 batteries for designated (cranking and accessories) interstate has a multipurpose which does both so you dont need to buy 2 different kind of batteries. First to save weight and cost. So multipurpose is the way to go. And im sure other companies like cdn tire brand has the same. Also where about in canada are u from?

[@DanRichardFishing]

Hi Zoom! Thanks for the props on the video! So here's the deal with dual purpose batteries... Yes they have multi-purpose deep cycle batteries but you should not be running your electronics off the same battery as a trolling motor. The trolling motor causes interference on the same power source so if you power your graphs off of the same battery, you're going to have all kinds of interference issues on your graphs. in fact you should not even run the power wires for the trolling motor anywhere near the power wires for a graph even when connected to two different batteries. Multi-purpose batteries are good for both cranking your engine as well as deep cycle, that's what they mean by multi-purpose. This does not mean you will not have interference problems with any of your fish finders. That's why if you have serious interference problems and you call the manufacturer for troubleshooting, the first thing they ask you is if you're running it off of the same battery as your trolling motor. Hope that helps explain it! I live in Montreal but I'm originally from Ottawa :)

[@zoomzoomgt]

@@DanRichardFishing so if i were to get 2 (multipurpose) one for cranking and trolling, and other is strictly electronics (fish finder and other accessories) come to Toronto

[@XxDirtNastyxX]

I use a dual purpose like you stated @zoomzoomgt for my cranking battery and to run my graphs. That battery and the wiring to the graphs are on the oppposite side of the boat as the batteries for the trolling motor. The trolling runs off 2 so in total I use 3 batteries. And have zero interference.

[@annettemathias]

What battery do I buy to go with the go boats?

[@timmoore6656]

Thanks for the video! What two best batteries would you recommend to start a 380HP 8.2L boat engine and then have enough power to run stereo and lights for an extended period of time? I run my stereo for an hour and my batteries die. Please help!

[@DanRichardFishing]

Hi Tim, sorry for the very late reply but if you want the best, go with Lithium. I am currently running these and I love them! www.walmart.com/ip/Dual-purpose-12V-110Ah-Lithium-LiFePO4-battery-Deep-cycle-RV-battery-Built-in-BMS-3000-5000-Cycles-Perfect-RV-Camper-Marine-Lilead-S110-starting-batt/636298885?fulfillmentIntent=Shipping

[@Siwashable]

Great video.. I run a 25 HP electric start Evinrude (older model) and a 55lbs thrust electric trolling motor. Is there a battery that is a compromise between cranking (cold start) and a deep cycle? I'd rather have not have two batteries.. thanks

[@vivimu]

There's starting battery, deep cycle, and dual purpose....the compromise would be a dual purpose

[@johncardow2493]

hey. nice video, great info. can u connect lithium or AGm battery to an lead marine maintance free battery together? with the A or B or both / battery connector?

[@DanRichardFishing]

Hi John, thanks for the question! To clarify, are you asking if you can connect two totally different technologies such as an AGM and a Lithium together in parallel or series? I would definitely not do that... I would always recommend using the same batteries in those kinds of setups and not mix and match them.

[@johncardow2493]

@@DanRichardFishing thanks for response. i'll certanly check with my boat mech. i thought 12 v bat. is a 12 v bat. no mater where those 12v come from. lol. thanks.

[@gdb2517]

Great video but nothing mentioned on how to determine how much CCA is needed for inboards or outboard boats.

[@DanRichardFishing]

Well this would be determined by your outboard or inboard and seeing as boat motors range from 5 HP to 500 HP it's a bit hard to cover it all. But any 600 CCA battery should be able to start any typical outboard or inboard. Where it gets tricky is when we start talking multiple engines.

[@kevinpatana8962]

I feel drained after watching this.. : )

[@DanRichardFishing]

I see what you did there 😂

[@markbarrett5541]

Mark interstate batteries mark I want to know this green circle battery m Ga I got MTA soccer battery boat battery I got a green to white boat cycle battery this one is 10 4 9 please text me that I want to know if this sucks is this one green bolt soccer battery it is working before car rental please let me know I find me good some of the guy is getting to me it green white cycle boat battery I want to know that this work for the car window please text me back this green broke shackled battery the MCA motorcycle battery green white one son of God give it to me I want to know that this battery work on a car rental p text me back this Mark

[@donowens5883]

Are those two different batteries on your table tell me what type they are what did you charge them with and tell me if possible if you bought an odyssey charger in to find out what would actually happen if you used an Odyssey battery charger on those batteries to charge and what would actually happen?

[@redwood1957]

I have a 9.9 Tohatsu 4 stroke. What size cca start battery would you suggest? Used for starting only. Thank you

[@DanRichardFishing]

It's a very small motor, any group 24 marine battery will start it. They're probably like 550CCA and up but it doesn't take anywhere near that turn over a 9.9. A Harley motor for example is like 80HP and a small 450CCA battery is enough to start it. So just a small group 24 is fine.

[@bradharbert8116]

Is there a need to put the trolling batteries in a battery power box and also having the onboard charger on them? Whats your thoughts?

[@DanRichardFishing]

If you have a jon boat or a small craft that doesn't have a battery compartment, I would definitely keep the battery in a battery box to keep the terminals and connections protected from the elements and from getting hit with equipment, your feet etc. I'm not a fan of having a battery just loose in the boat. For the onboard charger, I went without one for a long time but it was just so annoying after each trip to pull out the chargers, clamp them on, and then remove everything and stow them when I wanted to fish. It's just so much easier to park the boat and plug in your extension cord to the bank charger and walk away and then when you're ready to go out, just unplug and drive off :) Hope that helps!

[@ajjones6296]

Where can I find the circuit breaker for the battery and electronic protection

[@lostcanadian1240]

Everstart exploded in the boat during a day of rough water on lake Ontario. Was only a year old. Never again, motomaster for a few years, no problems

[@DanRichardFishing]

Wow, that's crazy, did you ever contact them to tell them? I'm the opposite, nothing but great results with Everstarts and not so great motomaster ones. I find the Nautilus line a bit overpriced, but I have one anyway because I was desperate lol! To be fair, it has been working well so far!

[@lostcanadian1240]

@@DanRichardFishing I did contact them and there response was "you must've tampered with it". That was the end of that

[@DanRichardFishing]

@@lostcanadian1240 I can see why you'd never touch them again, yeesh 🤔

[@KK-pf1cb]

Thank you for sharing. I do have a question as a new boat owner. Is it safe to say I only need one start/crank battery because I donʻt have a trolling motor? (I have small items: bilge pump, navigational lights, tachometer, switches.)

[@DanRichardFishing]

That's correct, you just need to get yourself a single main battery like a group 24 or group 27 :)

[@justinstewart3248]

@@DanRichardFishing thank you for the reply to the above, I had the same questions. However, are there smaller, lighter weight options than these big heavy 45 pound batteries? I was thinking of putting a jet ski battery in my small boat. My 25 HP 4 stroke even has a pull start in case I had trouble - any thoughts?

[@johnmalecki3893]

What about a on board dc to dc battery charger? Off the 12v engine battery to the 24v trolling battery bank.

[@DanRichardFishing]

Yes you can absolutely do this using what's called a battery isolator! I don't have one yet but there are a ton of videos on how to do this. Give KZbin a search for boat battery isolator and you'll find all kind :) Good luck!

[@andrewheidorn6109]

I have a 1975 Bayliner 120 hp OMC motor. What battery should I get ?

[@aidanmurray11]

Great video and super helpful, I have a few questions though. I’m restoring a classic 17 foot Boston whaler and i don’t want a lot of electronics on it, but I was thinking of having a few small lights (which will very rarely be used), a small gps/fish finder that’s really the size made for a kayak😂 because I don’t need one any bigger, and a panel with a voltmeter, 2 usb plugs and a 12volt car plug. And possibly a small bilge pump at some point in the future. Which type of battery would you recommend and Would I be able to run this setup comfortably on one battery?

[@DanRichardFishing]

Hi Aiden, sounds like a great project! A group size 24 marine battery will easily power that setup all day long with no worries as your main battery. In terms of what technology you want to go with, go with your budget. If you're looking for minimum budget, I think you'll be very happy with a marine Everstart Maxx battery from Walmart. Hope that helps and thank you very much for the question!

[@steveodonnell2921]

Was your trolling motor 12 or 24 volt? My 12 volt is 3 years old and it drains in about 3 hours in windy conditions. Good videos thanks

[@DanRichardFishing]

I just replied to your other comment but mine is a 24v :)

[@justme-yj3bu]

Costco has been the best for me! (DEEP CYCLE)

[@tirzahventura2904]

For the Noco genius battery maintainer do you have to take the batteries out to charge them? Because I haven't taken them out. Just wondering if I'm doing it wrong

[@DanRichardFishing]

Absolutely not, you can leave the batteries in. Just clamp them on and charge. If you have a trolling motor connected, unplug it when charging.

[@dukebuck]

Which bank charger do you need if you have a main starter/electronics battery and two trolling motor batteries in parallel? Would that be a 2 bank or 3 bank? Do you need to disconnect the two parallel batteries to charge or just treat/wire them as one?

[@DanRichardFishing]

That is a great question! You should only use 1 charger for 2 batteries in parallel, so you would use a 2 bank charger in your example. So you connect one bank to your main starter battery, and then the other bank goes to your parallel setup. So on your parallel setup, you have battery A and Battery B. The positives for A & B are connected together and your negatives for A & B are connected together for the parallel circuit. For the bank charging cables, you would connect the negative connector to negative on Battery A, and then the positive connector on positive on Battery B. If you were to have both batteries wired to a separate bank, then you would have to make sure you cut the parallel connection every time you charge. Hope that helps!

[@fireflywill2010]

Thank you so much this video. I appreciate the time and effort you invested to bring this training to me and and so many others. I am confident that I can get on the water and avoid costly mistakes or accidents. I am a first time boat owner looking for everything I really need to know before buying a trolling motor and battery. I feel very fortunate having found your site. Yes, you answered every question and concern I had. I am installing a trolling motor on the transom of our 15 foot sailboat as an auxilliary when the wind dies and for fishing with the sails stowed. I plan to pay the premium price for a 12 volt lithium-ion battery. I anticipate there will be numerous times when I will drain the battery to 0% and it looks like the lithium battery can go through many cycles without damage. The weight saving is another advantage that makes the lithium ion battery worth the extra cost. I want to be prepared for situations that will stress battery and motor. There may be situations in which the motor will run continuously for 2 or 3 hours when returning to the mooring after a day of sailing. Are there any risks of overheating battery or motor. I will be operating in fresh water but I would like the option of sailing on a salt water marsh. Is a salt water trolling motor the right choice for these conditions? Thank you, Fred Robley

[@Piggypig2Fizgig]

I have an aluminum Jon boat and I’m thinking of getting a minn Kota endura with a 30lb thrust. Would an Everstart 27dc be a good bartered?

[@DanRichardFishing]

I'd still go for the 29 to be honest. The trolling motor will still drink the power down so I'd max that out if possible. Everstart AH ratings are based on 1 amp measurements, which is a bit wonky so they tend to show higher AH ratings that the typical 20 hour standard. So that 109AH rating on the 27 is more like a standard 80AH.

[@justinaschinger2779]

How about a video on installing a fish finder

[@DanRichardFishing]

I've done some older install videos but never a transducer. I do have some upgrades coming up in the spring and will be updating my boat's transducer, so I'll have new content on that in early 2022 if all goes well :)

[@twhite1963]

I have a 22 ft. pontoon 135 mercury and a 80 thrust trolling motor . What is a good budget batterie .