Build Your Own Drone Battery - Why and How!

Today, You will learn why you would build your own drone battery and how to do it! Get excited!
👍Thanks for watching! Please like, comment, & subscribe.👍
Warning: Making your own battery packs is dangerous. Lithium cells can get nasty. This video is for entertainment purposes only.
Timestamps:
00:00 Intro
00:17 Why build your own drone battery?
01:08 Li-Ion vs LiPo in DJI camera drones
03:10 How to get more flight time. Parallel vs. Series
05:00 Expected Performance
06:31 Building the Battery Pack!
08:25 Wiring Schematics
10:08 Cell Preparations
11:54 Let the Soldering Beginn!
14:04 Wiring in Series
15:17 Balance Connector
15:58 Moment of Truth
17:41 Finished Product
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[@pornzi]

About to make a couple off these along with a field battery for charging my lipos. Thank you for very detailed video.

[@Quadcopterguide]

Hey Shaun thanks for taking the time to comment and watch, it is much appreciated! What size field battery are you building?

[@andreashegenauer6363]

Being able to extend the flight time of your FPV drone with a DIY battery pack is pretty awesome! Very well understandable tutorial, thanks!

[@Quadcopterguide]

Hey Andreas, thanks for tuning in again brother. Glad you enjoyed it. Test flights and maybe even a 6s2p are next! Stay tuned.

[@TAMINO.]

Thank you so much for this video! The whole video was very interesting and helped me a lot. I'm looking forward to rebuild your Battery soon :D

[@Quadcopterguide]

Hey Tamino awesome you took the time to watch and comment! Much appreciated!

[@johnk8825]

Really nice looking outcome. Couple tips: a flux pen can be used to pre-flux surfaces (especially larger ones) to clean the surface and enable the solder to flow easier and quicker. Also on the XT-60 connector besides the flux pen if you plug in the other side of the plug it helps even the heat out so one end of the plastic insulator doesn't overheat and start to melt.

[@Quadcopterguide]

Hey Johnny, thanks for dropping by again. You know I should have known that with the flux pen. I have one, not sure why I didn’t use it. I guess I was worried about the liquid flowing in behind the positive cell button. The trick with the xt60 I need to use more often as well. Great tips! I feel a fatter tip would have made it a bit easier also. Next time ;)

[@travisgillespie2819]

Very helpful. Thanks for sharing 👍

[@Quadcopterguide]

Hey Travis, awesome you took the time to watch and comment! Much appreciated! Glad it helped ya out.

[@mixchifius]

Cool, cant wait to see how they perform, thanks

[@Quadcopterguide]

Hey mixchifius, thanks for taking the time to watch and comment. Much appreciated! Can't wait to share it with you guys. Let's just say, it was worth the effort ;). Stay tuned! Whatcha flying these days?

[@siop5709]

Very helpful, Thanks!

[@Quadcopterguide]

Hey Siop awesome you took the time to watch and comment! Much appreciated!

[@medbenzekri]

i new to drones so this is a very beginner friendly video and learned a lot about Li-po vs Li-ion batteries packing amazing and detailed content

[@Quadcopterguide]

thanks for stopping by! Feel free to sub. I'll get out making more videos soon-ish haha

[@kaifelkaifel]

Good stuff, loved the blue knead 😊

[@Quadcopterguide]

haha thanks Kai! Forgot to link it yet, pretty useful stuff: geni.us/LPVXB

[@dronepilot260rc]

Nice I'm just learning how to build lithium ion packs. I choose to use battery trays but I will make a couple of packs like this as well in the future. Keep up the good work!

[@Quadcopterguide]

thx for watching!

[@rafaeltorres2886]

This type of battery construction we rc model enthusiasts did 20yrs ago with Nicad and Nickel metal hydride and we experimented lithium ion batteries to but they had very low discharge rate. excellent instruction btw.

[@Quadcopterguide]

Hey Rafael awesome you took the time to watch and comment! Much appreciated! Very cool. Back then I wasn’t into building my own batteries yet but of course it makes sense. Just today we have better batteries available. Thanks for being here!

[@TheDro]

Just made my first 18650 6S pack tonight out of a battery bank someone gave me with a bad usb port or bms. Can't wait to test it out tomorrow if weather allows but i only have a 5" to test it out on at the moment. it did fine on my unofficial indoor hover test.

[@Quadcopterguide]

hey very cool. Could you find the amp rating of the cells? Not that you end up having insane voltage sag due to insufficient amp rating etc.

[@MrNams]

@@Quadcopterguide Will these Li-Ion cell work for my below hex? 1)Frame:Tarot 680 PRO Folding Hexacopter Frame 2)Motors:6x Tarot 4108 High Power Brushless Motor (380kv) 3)Propeller:3x Tarot 1355 Carbon Propellers (Two Holes / CW and CCW) 4)ESC (Electronic Speed Controls):6x Hobbywing XRotor 40A-OPTO ESC

[@callenbyron8111]

I dont mean to be so offtopic but does someone know a trick to log back into an Instagram account..? I was dumb lost my account password. I appreciate any help you can give me.

[@yahirprince8543]

@Callen Byron instablaster =)

[@callenbyron8111]

@Yahir Prince Thanks for your reply. I found the site thru google and I'm waiting for the hacking stuff now. Looks like it's gonna take a while so I will get back to you later when my account password hopefully is recovered.

[@justinsurla6043]

Nice as always

[@Quadcopterguide]

Hey Justin, thanks for tuning in again man. Much appreciated!

[@kingsalimalharthy]

Awesome, thank you so much.

[@Quadcopterguide]

Hey Salim thanks for taking the time to watch and comment. It is much appreciated!

[@wealthtransferchannel783]

I have a GDU O2 drone the battery is dead how can I Revive it or add new cells in it? Thank you for replying

[@timhartsough6773]

Thanks a lot I love the building and demonstration it makes it make sense for me

[@Quadcopterguide]

excellent thanks for stopping by!

[@typxxilps]

best of all: first approach with 2p shematics was perfectly drawn In the second you decided to abandon the 2 adventure your sketch was hands on. pretty interesting to see your bms cable being faulty sorted if I understand it right. I just have to refit a 5 cell 18650 battery pack for a gardena lawn mower roboter with samsung inr 35E and 3,5Ah but 10,5A only . That has a bms too and I had written down each cables colour and cell position during tear down to get it right ... But the basics are the same except my packaging needs to be a 3 x 2 cell solution, hexagons as a holder to get a battery that will fit into the bay while you're piling it as a 3 x 2 stack. My hight has to be as low as the original.

[@Quadcopterguide]

Thanks for your kind words. I want to figure out a way to do 12 cells 6s2p but having only 3 wide and 2 tall and longer. That would be ideal to fit ontop of the quad.

[@pc2237]

Love it.

[@Quadcopterguide]

thx for watching!

[@2Drezik]

Nice !

[@Quadcopterguide]

thx for watching!

[@dayarao1555]

thank you informative

[@RealKushrage]

Nice video I am looking forward to the test flight :D

[@Quadcopterguide]

Hey thanks Han, appreciate you checking out this build your own battery video. Which was the most interesting part to you? Test flight coming soon!

[@RealKushrage]

The hole video was very interesting for me :D

[@cha83268]

I have a f450 quadcopter and install ESC 30 amps this batteries, in 3S burn my esc? And how create a 3S batteries, paralel or series?

[@Quadcopterguide]

thx for watching!

[@imrankhattak9958]

So do you recommend your masterpiece can be used to plug the commercial mavic or Phantum...leave it for a while as to how to connect it with quad but if connected, will it work ? If it works, damn !!! I'm gonna able to multiply flight time (with bit compromise on weight) ...

[@Quadcopterguide]

Hey Imran, thanks for taking the time to watch and comment. It is much appreciated! it is possible to hook up extra batteries with some hacks to existing camera drones. They have to be different cells than these Li Ions though and it's not for everyone.. Of course it voids any warranty you have...

[@mosephina]

Hi...my favorite part is how far you have taken FPV in so short a period of time. Building a 7" quad, and building your own batteries is remarkably adventurous and encouraging to others; myself included. I know you have done the hover test. Have you used these under real world load conditions such as fighting gusts of wind at high speeds? If so, what are your observations?

[@Quadcopterguide]

Hey mosephina, thanks for taking the time to watch and comment. It is much appreciated! Glad you enjoy the FPV content on the channel as well, I'm glad some are enjoying it. Great question. I took it out to do a flying test, it was a very windy and gusty day, i flew 40-55kmh average and still got 14minutes of flight time. I left the throttle mostly steady and used other inputs to manage altitude etc. I was pulling 8-13amps max, with 2 of these batteries in parallel, I'm sure even decent manoeuvres should be fine. What are you flying thats similar?

[@joshmarkobb4513]

Dude that was legit!

[@Quadcopterguide]

hey Josh thanks for stopping by and taking the time to comment! Awesome!

[@alb.dersame]

Very cool video here. You have a great speaking voice too. I gotta study what you did here a few times to better understand exactly how you did this. One thing I learned for sure, is having the proper tools, and material for the job. That's over half the battle, lol. I went through a lot of soldering tips, learning how to solder correctly. I like the soldering cleaner you have too. Gotta make one of those. First time viewer here. Thanks for a fantastic demonstration. Liked and subscribed.

[@Quadcopterguide]

Hey Al B thanks for taking the time to comment and watch, it is much appreciated! Glad you like the videos, oh man. How many times have I done a project without the right tools. Always takes 3 times longer and 10x more frustrating. I try to avoid that if possible haha. Glad you are here!

[@12hyy7]

Hey man if I was to do this for a mavic 2 would I need to use the bms that came with the stock batteries?

[@Quadcopterguide]

yea thats a rabbit hole i won't go into.. too much risk.. and the size.. how would you make that work...

[@PaulSokolov]

Which jumper is better to use for assembling Molicell 21700 42A - 6S What thickness and width of the steel tape is suitable for peak loads of long-range quadcopters. I want to use metal tape and welding instead of soldering

[@Quadcopterguide]

i havent looked into the thickness that much. I would find a battery making forum and find out there.. tons of info out there.

[@arthemz243]

My drone has a 7 port socket, how can I make a battery? It also has a bio written input, what does that mean?

[@troyupshaw7227]

I purchased a Ghost drone 2.0 and the battery lasted 4 flights before the batteries puffed up. Customer service was none existent. So its been sitting on the shelf for 3 years. I recently purchased a lithium polymer battery twice the size as the ones that failed on me. I also bought a versatile charger. Do I have to use the original battery monitor and on/off circuitry? or can I just plug in my DIY battery . Id really appreciate your ideas. oh i also purchased the iOS model...being an android guy all the way. Can i download the android software to avoid wasting money on ios?

[@heatherryan9820]

12:26 yeah, I’ve done that once. Quickest way to give myself a heart attack. Luckily there wasn’t a fire, just a lot of sparks and a COMPLETELY dead battery. I’ve actually tried this numerous times, but until today when I watched your video, I couldn’t figure out what I was doing wrong. But i figured it out, thank you.

[@Quadcopterguide]

hey thanks for dropping by and letting me know you found this video helpful!

[@wadedittus3552]

Will this be a good option for hubsan 501s? I'm looking for longer flight time. Thank you

[@Quadcopterguide]

better for fpv

[@riyamane3411]

Excellent

[@Quadcopterguide]

thanks for taking the time to watch and comment. It is much appreciated!

[@CarbonGlassMan]

It's interesting how the sport mode works. It doesn't increase the motor rpm so much as it just increases the angle the drone can tilt.

[@Quadcopterguide]

Hey CGM, thanks for dropping by and subscribing! you're right, they can only spin the motors so fast..

[@hemrajsodisetti3942]

Keep going 🖤

[@Quadcopterguide]

Hey Hem, thanks for taking the time to watch and comment. Much appreciated! What was your favourite part about building your own drone battery?

[@DroneFlyPL]

Great video, I watch this and flight time comparsion and its great. Would it be posssible with fimi x8 se ? It would be very helpful as fimis batteries are not too reliable and get blocket without clear reason sometimes...

[@Quadcopterguide]

it's best to do this for FPV style quads.

[@motosafariph1572]

Hw about batteris for flash light,tha 3A,can be possible to use,sir?🤔🤔😊tnx..

[@Quadcopterguide]

thx for watching!

[@pyramidsinegypt]

How would a 4S3P perform vs a 6S2P in a drone? Presumably it would mean max load but otherwise any thoughts?

[@Quadcopterguide]

all depends on the required voltage of a quad.. IF you mean an fpv quad, the 6s pack would have more punch. If the total mAh are the same.. now that would be an interesting test.

[@bheboytv]

This channel is all i need wow!! May have a concern,can you make tutorial of my E88 DRONE battery extended long life please 🙏

[@Quadcopterguide]

thanks for subscribing! I'm not familiar with that drone. do you have it?

[@devanglove]

I done all this but drone trun on but can't fly messege show so any battery settings in chip ?

[@Quadcopterguide]

which quad?

[@jeramieinocente4957]

Thank for answer my question.

[@Quadcopterguide]

np

[@gregorteply9034]

Hi. When you connect two 30A rated cells in parallel, you'll have 60A output. Is that correct?

[@Quadcopterguide]

thx for watching!

[@normandocherty4207]

Hi, I'm really pleased that I came across your site, I'm a beginner drone flyer, really loving it. I've built an Echine Tyro 129 but the batteries are really expensive, I've got a bundle of Panasonic 18650AA 2250 mah batteries from a damaged ebike battery. I've already used some to replace the old style batteries in my 12v,18v, and 24v power drills, I've got 16 left. could I use them to fly this 7" drone ? It weighs 400g without a battery. I could build 2 x 6S1P packs or 4 x 4S1P packs. If they are suitable, what would be the best combination? I'm familiar with building 18650 packs, but I get mixed up about watts and M.A.H ( I'm in my 70's). I've subscribed, loads of useful info. on your site, thanks.

[@Quadcopterguide]

thx for watching!

[@sricharan7287]

My Quadcopter draws less than 20 amp when I use my lipo 11.1v 2200mah can I use sanyo 18650ga pls help me out

[@Quadcopterguide]

thx for watching!

[@pieincLockPicking88]

Great Video absolutely love your content started on a cheap Walmart drone. Now on a Mavic two pro and Mavic mini and hopefully soon Mavic air 2, Still nowhere near being able to make battery packs lol

[@Quadcopterguide]

Hey Pie Inc Reptiles! thanks for taking the time to watch and comment. Much appreciated! Starting on a cheap drone probably got you comfortable hovering a drone that didn't just sit there perfectly still. Great skills for the event that GPS hold would fail one day. Do you recall how you came across the channel?

[@pieincLockPicking88]

Quadcopterguide honestly after I started getting into drones I couldn’t stop watching KZbin videos on them and finally just stumbled a crossed your channel by pure luck.

[@Quadcopterguide]

@@pieincLockPicking88 haha sweet. No worries, glad you came across the channel! Hope you enjoye your stay ;). Also, if you haven't seen it yet, here's a bunch of helpful content for the Mavic 2 Pro and how to get the most out of it. Feel free to check it out here: kzbin.info/aero/PL0ymhIrvXFKf1SOISAto0OaqSCLtNi70R

[@ammuedits2469]

When are going to post the next video,I have tried and got an outstanding performance man it helped me a lot will making a race with my drone, thank you for the mesmerising Idea 😘

[@Quadcopterguide]

Hey Ammu awesome you took the time to watch and comment! Much appreciated! I plan on posting it this weekend. Just remember that these kinds of batteries aren’t meant for insane speed or 6s racing quads.

[@kuyajayyoutubechannel6327]

What if I use 2 18650 lithium ion battery In hubsan zino mini se with 3,500mah each total Of 7000mah but same voltage and wait it is ok change that for longer flight time.?

[@Quadcopterguide]

thx for watching!

[@robertc2426]

Awesome video DIY making it simple! Just curious, can you post a link on where to find your battery meter? I'm all set on a multimeter but your battery meter looked excellent. Thank you

[@Quadcopterguide]

thx for watching!

[@djisparkdrones8380]

Mavic pro I opened took off balance lead in front by pins replaced in does work now any idea what 2 do? I'm f##%@ed

[@Quadcopterguide]

whoa, you did what now? you took apart a mavic pro battery?

[@dddylannn11]

Hell yeah, mini's flyin pretty man. Is it possible to catch it in the hand you don't use to disarm it?

[@Quadcopterguide]

hey thanks for the comment, you can catch most DJI drones in your hand and tilt them over 35ish degrees and the motors will stop after they try to spool up quickly first.. I always found that a bit risky.

[@adrianador]

Hi how to meak battery pack for jjrc12 ? My one a swallowed and not hold charge can you Help?

[@Quadcopterguide]

Hey Adrian thanks for taking the time to watch and comment. It is much appreciated! I'm not familiar with that quad. I would safely discard your swelled battery! Take it to a proper recycle center. That is bad news if swollen.

[@adrianador]

@@Quadcopterguide how to replace it with new kit ? To build new in stock package?

[@adrianador]

that what I'm asking how to do it or place with know this setup?? I'm not asking to trash it i want to know if is possible to build a new one for this drone-like for DJI for example...

[@mikegastelu]

How about making a battery pack for Autel star premium, batteries are hard to find. They are about 90 bucks a pop.

[@Quadcopterguide]

Hey Mike thanks for taking the time to watch and comment. Much appreciated! I'm not familiar with the Autel, but perhaps with some hacking it can be done.

[@user-ii5er2mg3s]

I want a battery to increase the time for the Mavic Pro Zoom, do you have it?

[@Quadcopterguide]

thx for watching!

[@creativ3studio]

Li-Po 3800mAh 15,2V 57.76Wh , can you help me explained ?? I want find alternatives option replace the cell my drone. thanks you

[@Quadcopterguide]

thats a 4 cell pack.

[@problemkehidupan]

Hi, I wanna ask: I have a Parrot Jumping Night Drone: Drone: 3.7V 2A Max Battery Pack: Li-PO 3.7V 550mAh 2Wh 15C Cont Discharge Battery is dropping. Usually I can play up to 20 mins, now below 5 minutes. I want to diy using 18650 battery. I have AWT 3500mAH 3.7V 35A High Drain and MXJO 3500mAH 3.7V 20A (both are authentics). I use for vaping device. - Can I use my vape battery to drone? I plan to mount only 1 battery, probably using battery slot so I can easily recharge it. I have Nitecore UM2 USB Charger. - If can, do I have to tear down the original battery, take the BMS and put into 18650 battery or I can simply soldering cable at drone connector to the battery without BMS? For safety reason, which is best? - Also, there are 3 connectors on the drone, I think 1 for battery level, how to soldering it so I can see the battery level on the smartphone. - I think with 1 single 18650 battery with 3500mAH, I can get very longer play time. I confuse with 2A Max warning on the drone and 30A or 20A on the battery. Can you help giving me understanding about it? Waiting for your feedback. thanks.

[@Quadcopterguide]

hey there, sounds like the battery or some of the cells are going bad. as long as your voltage is the same and the cells are high quality it should work.. There's a lot of risks with messing with batteries. Please be sure you understand those all before you start on this journey.

[@DroneSyndrome]

Great video! I just purchased my first soldering kit and this tutorial is a great visual reference tool (even though I won’t be doing any battery fabrication) but watching the way you soldered the wires was very insightful. Now, at what temperature in degrees did you have your soldering pen set to for this job? Thanks again for this.i learned something new from it. I look forward to your next video on testing the battery 🔋 👍🏻

[@Quadcopterguide]

Hey Drone Syndrome! Thanks for tuning in again man, super appreciated. Very cool about your first soldering kit, what did you end up getting? My soldering in this video isn't the best of my work, but I wanted to get this out before re-shooting the whole thing later again. Ideally you want to heat up the surface, and the solder will flow from your pre-fluxed wire onto the pad or whatever you are soldering to. I had the iron at 400C for pretty much everything this time. Glad you enjoyed it! Makes creating it worth it.

[@DroneSyndrome]

Quadcopterguide I got a $20 one on Amazon. Nothing too fancy. I just wanted to have one handy for when I need to repair or assemble something. But the one you’re using is pretty cool looking and seems to do the job well.

[@Quadcopterguide]

sweet man, yea a $20 Iron is so much better than not having anything at all :). For just one offs totally fine.

[@DroneSyndrome]

Quadcopterguide I agree. I’m a newbie to soldering so this is fine for starters. By the way, this is the unit: www.amazon.es/Tayg-59002-Electraline-Mult%C3%ADmetro/dp/B00CBJOOUA/ref=mp_s_a_1_6?dchild=1&keywords=digital+multimeter&qid=1595836157&sprefix=digital+multi&sr=8-6

[@simrangill7245]

An amazing video . I was really searching for something like this . Though I still have a problem . I have made my own cinewhoop recently . A shendrone geyser. It is a little heavy since it's a 4 inch cinewhoop and the ducts add up the weight. Plus if I am flying with the go pro , the 4s lipo only gives me only 2 minutes of flying time ( without go pro 4 and a half or 5 minutes ) . Will a lion help me get more fly time. I am using 2300kv motors . I am still not confident that a liion will help my drone get off the ground let alone increase the flying time. Is it worth trying ? Becasue lipos suerly aren't worth it .

[@Quadcopterguide]

Hey Simran, thanks for taking the time to comment and watch, it is much appreciated! It may be difficult I would be worried about the drone pulling too many amps. What is the max amps in your typical flight?

[@simrangill7245]

@@Quadcopterguide I have 40 amps motor so the total consumption is 160 amps theoretically still around 130 - 150 amps would be sufficient. Which is provided by the lipo. Since the li ion cells which I have seen hardly have a rating of 2c . Some can ( like the Lg and samsung ones ) prove 5 to 10 ampa but that too in burst . The quad itself is 442grams without battery and go pro .

[@simrangill7245]

@@Quadcopterguide I am looking at 8 cells connected together for now . The lipos are certainly not worth it . I am just fed up of changing the packs for two minutes of flight time . Since I only require gliding power for a cinewhoop ( I dont need to do crazy throttle consuming freestyle stunts and all )I thought I could go with the li ion alternative using only 40% of the full throttle .But now after just reviewing everything I get it why people build a 6s cinewhoop . I think I might have made a mistake by making it a 4s config. The only alternative which I can think of now are mobile batteries . But good mobile batteries with high c rating cost a fortune .

[@David2222]

Good tutorial Felix. I wonder about building some Inspire 1 batteries...? Chips? Hmmm... ALSO , how is the final weight? %-age less, I'm thinking.

[@Quadcopterguide]

Hey David, awesome you took the time to watch and comment! Much appreciated! I don’t think building this type of battery for the inspire 1 would work. A) it needs high discharge batteries and it has the chip.

[@denilpt6792]

Does it produce enough current ,. In my case. Lithium ion batteries give me 25a. Only

[@Quadcopterguide]

it's definitely for the smoother chilly flights.

[@lukethemangameingandmore]

how would you connect it to a battery charger my charger will only charge till 5A ?

[@Quadcopterguide]

Hey Luke. You need a special charger than can charge li ion and have a balancer port as well. Check the video description for links.

[@SubrataDas-nb6fl]

Sir, plz suggest me what can I do, I have a 3cell lipo battery pack 2200mah, 11.1volt n 40c, now I want to change this battery pack, can I use homemade 3cell li-on battery pack for my Rc plane, I use 1400kv n 2200kv bldc motor for my plane, plz reply me

[@Quadcopterguide]

thanks for stopping by. Sounds like thats doable.

[@InfinityVision]

I’d like to build a simple 3s pack for a bebop 1 drone. The original battery is only listed as 10c, I’m assuming 20c burst. Seems like you could easily buy some ions that could handle 20c.

[@Quadcopterguide]

Hey IV, thanks for taking the time to watch and comment. It is much appreciated! Sounds doable for sure. You just have to make sure you get a matching plug and if there is any fancy circuitry you would have to transplant that.. No experience with that so far.

[@InfinityVision]

Thanks for the reply. if I went that way I’d probably lose the proprietary parrot connector on the drone for an XT60. There are other videos out there with people using standard 3s lipo packs on these, so apparently that part works fine. . I’ve just never seen anyone using lithium ion before.

[@klonikFPV]

I was wondering can I maybe have two packs on my drone paralel? One would be li-po to have big current when needed and second pack with li-ion to increase capacity. But I will need to invest probably in 7 inch drone before testing this approach. :-/

[@Quadcopterguide]

mixing lipo and li-ion sounds like a bad idea on paper. Not sure you would want to do that.. Try to use the same cells so internal resistance and everything else is equal.

[@fluidmind3629]

hello, I find your video very interesting! may i know what cells you use? (as high discharge as possible, I want to modify mavic air 1) Thank you :)

[@Quadcopterguide]

oh man i dont recall. Samsung or LG i think.

[@Am_I_really_not_really_I_AM]

How do you "pre-tin" the wires and terminals? Every time I try, I end up tinning the wires and terminals.

[@Quadcopterguide]

try to have the solder get sucked into the wire.

[@Am_I_really_not_really_I_AM]

I did that and now they're tinned but I was trying to pre-tin them, like you said.@@Quadcopterguide

[@dronepilot1333]

Can I ask you a question. Can Mavic Pro motors handle 4S li-ion ?

[@Quadcopterguide]

Hey drone pilot, thanks for taking the time to watch and comment. It is much appreciated! The original Mavic Pro had a 3 cell battery. So if you mean MP then 3S max. Not sure if the weight would be too much.

[@LouSheppard]

Also dji sells battery smart boards so you can not only make your own but you can make a you're own smart one.. temp sensor, bridge etc also connecters so it will slot rite into the drone if your that good

[@Quadcopterguide]

hey Lou thanks for taking the time to watch and comment. It is much appreciated! Hadn't seen those on the dji store before.

[@GoldenMarky]

how long would it fly like this?

[@MrNams]

How much current we can draw? How much time it takes to recharge?

[@Quadcopterguide]

thx for watching!

[@suxaryk]

Cool manual, what is the best way to cold batteries ?

[@Quadcopterguide]

to heat them? slowly and gently..

[@ChiragGoyal-fr1ij]

Isn't soldering really bad for the battery? Why have you not opted for spot welding?

[@larrywoods8374]

Impressed the shit outta me.. very good job

[@Quadcopterguide]

Hey thanks a lot! Appreciate you watching.

[@j.c.m5168]

Great video. Few things, you're not pre-tinning. You're tinning. It's one of those weird things like a "hot water heater". Why would you heat hot water? 🤔 Also, you can buy small tinned straps to connect the cells and keep everything flat. Something to look into. 👍👍👍

[@Quadcopterguide]

hey fmf thanks for watching and taking the time to comment. Much appreciated! Will keep that in mind. My research showed that the tinned straps handled less amps as the silicone wire, why i went that route. Maybe in the future, then I would want a spotwelder too muhahaha :D

[@j.c.m5168]

@@Quadcopterguide I think everyone should have ALL the tools. 😆 I'll have to look into the amp rating. I would think that there's more material, thus more ability to carry amperage, in the strips as long as they are the right size. Maybe not tho?

[@peterbennett8810]

Can you build an external battery for a mavic pro?

[@Quadcopterguide]

Hi Peter, thanks for stopping by and taking the time to comment! Awesome! Theoretically that is possible, but you would have to use regular LiPo cells, and at that point it's simpler and much safer to just buy an off the shelf product. The Mavic Pro uses LiHV type cells in the main battery so Li-Ion will not work.

[@user-ii5er2mg3s]

Can the Mavic Pro Zoom handle the extra battery and how many volts can the plane handle?

[@Quadcopterguide]

thx for watching!

[@goitomhaile8775]

How can i increase the C-rate(Discharging rate ) in Li-on Battery? Thank you for every videos.

[@Quadcopterguide]

Hey Goitom, thanks for taking the time to watch and comment. It is much appreciated! It just depends on which cells you use.

[@goitomhaile8775]

@@Quadcopterguide If i want to made a 3S, 30C and 5000mAh Li-on Battery using the 18650 S or X Cell . What should i have to do? or how can i made it?...

[@lucada32]

@@goitomhaile8775 get a spot welder

[@chuckmaddison2924]

I have obtained those green cells from power tool packs to add to my electric skateboard. Gain .... range has gone from 25 kilometres to 42 kilometres. Speed the same, obviously

[@Quadcopterguide]

very cool!

[@kodiakriver6297]

As I did similar to this and easy safety first....

[@Quadcopterguide]

exactly.. felt sketchy the whole time.

[@rashmiranjannayak3251]

Nice one; how much flight time did u get from this pack plz. share.

[@Quadcopterguide]

depends on flying.. but as long as you dont punch it too crazy its much improved.

[@hc3d]

Good pointing out that DJI switched to cillindrical cells, that is quite telling.

[@Quadcopterguide]

thanks for watching!

[@rishuydv13]

Hey plzz make a video on how to charge dji mavic Pro battery without its own charger

[@Quadcopterguide]

thx for watching!

[@surburbanzen]

Just curious, what happens when you draw more current than the C rate of the battery? From what I could gather from what you said at 6:04 it puts more strain on the batteries? I am not super bothered by performance, I just want to be able to fly for longer. Nice vid btw :)

[@Quadcopterguide]

if you draw more than its rated for the voltage will drop quickly and you risk undervolting and shutting off your quad in the sky. The life of the battery overall is also negatively affected.

[@surburbanzen]

@@Quadcopterguide Thank you so much for the reply :D I'll keep that in mind.

[@youtubejack]

Could you add a bms and make this into a smart battery?

[@Quadcopterguide]

hm thats a great idea. maybe an idea for future video.. i'd hate to have something cut power due to a BMS flaw... or mis-programming.

[@davidrgilson]

Watched this as I'm preparing to build my own pack for the first time.

[@Quadcopterguide]

Hey David, thanks for taking the time to watch and comment. It is much appreciated! Very cool your building as well. What are you building your pack for?

[@davidrgilson]

@@Quadcopterguide I'm buying a 7" from a friend. Want to try some long range cruising. Also, at 88Wh, it would also be useful for field charging lipos for my smaller quads!

[@davidrgilson]

@@Quadcopterguide So I did the build and got a twenty minute flight! Here's my build and flight kzbin.info/www/bejne/jqOyY6OObdpnpZY

[@fransmurati2370]

Pre-tin your soldering iron tip, it works very well.

[@Quadcopterguide]

hey thats a good idea.. will have to try that.

[@RainBitcoins]

I'd love to make extended batteries for my mini

[@Quadcopterguide]

Hey rain awesome you took the time to watch and comment! Much appreciated! That would be sweet. I’m not sure how we could without the chip inside the batteries however.

[@RealKushrage]

Where did you ordered this batterys? I can´t order them to germany from the link

[@Quadcopterguide]

The LiIon cells? nkon.nl is my source for genuine cells in EU.

[@RealKushrage]

Okay nice, thank you very much❤️

[@Quadcopterguide]

No worries!

[@julianluck3052]

Hey really nice Video. I have a question. How i can charge this battery ?

[@Quadcopterguide]

thx for watching!

[@kurtbrunken9046]

What is the model # of that wire stripper?

[@Quadcopterguide]

thx for watching!

[@pyramidsinegypt]

For the price please get a battery operated spotwelder for making battery packs. Much safer and more secure.

[@Quadcopterguide]

i hear ya.. If i ever get around to making a ton of them i would totally get one..

[@jasonbryant7075]

Could you build a battery for our survey drone or know anyone that could. We have one that just doesn’t hold a charge anymore

[@jasonbryant7075]

We will buy a few to make it worth your time

[@jasonbryant7075]

22.2v 16,000 mAh 355Wh

[@Quadcopterguide]

thx for watching!

[@Quadcopterguide]

sorry not making batteries at the moment.. too much risk

[@brownsamurai3070]

Anyone else like the smell of melting soldier? I do. Smells awesome.

[@Quadcopterguide]

haha hey Richard, thanks for taking the time to watch and comment. It is much appreciated! I like the whisps of smoke. Try not to breathe it in, but it looks cool :D

[@susdad]

Don’t I get dbl run time by running 2 pks in parallel

[@Quadcopterguide]

Hey SB thanks for taking the time to watch and comment. It is much appreciated! The added weight of the 2nd pack reduces the flight time, so it's not just doubled everytime you double the battery etc.

[@jacobbouchard3506]

You should look into a small spot welder. Soldering Li-ion batteries can be dangerous and with the ability to do it completely safe it isn't worth the risk, plus it cuts down on the size and production time

[@Quadcopterguide]

thx for watching!

[@jeramieinocente4957]

Sir this battery good for my dji spark

[@Quadcopterguide]

no this wont work

[@dalemawby8717]

Good job. It's Solder btw 😂

[@Quadcopterguide]

haha what did i say?

[@jeremyboyce1537]

Great stuff but still curious to see someone build a mavic pro battery since they are not easy to get and not really supported by DJI any more .

[@Quadcopterguide]

Hey Jeremy thanks for taking the time to watch and comment. It is much appreciated! That is a big goal.. I wonder when it will be worth checking for aftermarket batteries..

[@jeremyboyce1537]

@@Quadcopterguide ,you are quite welcome Quadcopterguide ,you are very talented and well versed on this stuff and I admire that very much ,take care and keep up the good work .

[@jeremyboyce1537]

@@Quadcopterguide ,what I really meant to say was ,Rebuild ,like getting the same Lipo Cell Packs and putting them in the Mavic Pro battery-shell but I don't see that size Lipo Packs either . Man I have three dead ones on my hand right now ,two I have oppened-up and the other one just sitting there ,dead as a door knob .hahahaaaaaa .Truth is I really flew the life out of them though and I had them for four years running ,until recently ,so they really lasted long ,cant't complain at all .

[@choppergirl]

Building a 6s out of 27000's is a royal PITA. I made some 4s and 6s and the number of solder operations you have to do per battery is 50-100. It's tedious and insane. And it's a mute point now, because I plugged an XT60 in backwards to my 7" fpv quad and blew out it's ESC. So that XT60 connector is a killer just waiting to happen. On all my yellow XT60's I had labeled them with a red/black sharpie +/-... so that would not happen... but guess where that one singel black female XT60 was... you guessed it... on my $500 quad. In under 1second while working on the bench going back and forth between Betaflight and the quad in a hurry, bam spark and that's the end of the ESC music and my $500 quad.

[@Quadcopterguide]

oh no! Did the black xt 60 get soldered on wrong? I haven't been able to plug in an XT 60 the wrong way, if you managed to get that to happen.. holy cow! :). I hate learning through mistakes like that..

[@choppergirl]

@@Quadcopterguide my guess is spark gap jump... Round male in square female touching and other side is only a hair space between contacts. 20v at 2 amps yeah... kapow... and its game over. Wasnt jamming or anything, I was just in a rush on the bench and my mind wad inside betaflight configurator

[@Halphbaked210]

Well.... not bye bye $500 quad..... bye bye $50-90 esc

[@choppergirl]

@@Halphbaked210 I bought a replacement ESC, and capacitor. It's been sitting 3 years now unfixed. I was too blind to gut the thing all the way apart and do the swap out, even with an inspection microscope. So yeah, pretty much bye bye 500 quad, and then bye bye another 80 replacement ESC that never could get installed. I mean bye bye in a sense, I still have it all collecting dust. But after one flight, I never flew again... nor did I ever want to fly again, that pretty much ruined the hobby entirely for me, game over. I couldn't go back. I didn't understand why, until I had an epiphany one day... a phrase that popped into my mind. Sudden Infant Death syndrome. It's like when your first baby dies, through no fault of your own. The experience is so traumatic, do you ever want to have another baby, or even think about it any more. H377 No.... So yeah, FPV swx....

[@austinshane26]

How long did it last ???

[@Quadcopterguide]

thx for watching!

[@jubalfpv969]

Nice video. Little tip,You need solder acid, scratching doesn't do enough.

[@Quadcopterguide]

Hey jubal, awesome you took the time to watch and comment! Much appreciated! Good tip will keep that in mind :)