nerdnic | Is A Higher C Battery Worth It? (Turnigy Graphene)

[@CapnBry]

I love how serious and technical the video is right up to the point where you start droppin' dolla dolla bills, ya'll. Still a useful video, 3 years later.

[@skatergabe23]

Wow... I could hear the difference in power between the two batteries. Great video man! Now I'm going to have to get higher C rated batteries for my electric mountain board.

[@rickdavid1795]

Thanks for the straight up easy to understand info

[@bobmerrett4952]

Hi, great video. Can you explain why you use 1056 as the division number for your speed calculation please. Thanks.

[@ASerenidadeEstoica]

Thanks Nic for the cleverness, well beyond knowing how to calculate the maximum speed, I understood much better the relationships between the components including the actual proof that more "C" performance and better performance.

[@Badhacktime]

Don't just look at the c rating since battery manufacturers always rate their battery c rating more than what they're actually capable of doing , pro tip check the Size of the wire (not all brand put the awg rating on the wire so be careful Example 14awg will transfer less power than a 12awg since the wire is bigger so less resistance and heat will be contained in the battery so more power to the wheel. (Also I won't go into detail since my comment would take year to write , I ain't 100% sure too.)

[@TheLastEmail]

Very clear and professional proof ! Thx !

[@nerdnic]

Curtis L glad you liked it!

[@williamgarcia1936]

so glad i came back to this, this helped a lot!

[@shaneclipse97]

Also might should test a very high c rating vs very low to guarantee that there should be a difference even with different manufacturer or at least the same manufacturer with closer c rating

[@PFinkoloTL87]

Great video, bro! My field test: Zippy 2700mAh 40c VS Tattu 2000mAh 100c. My God, my Tundra was a different airplane on that 100C battery, that thing had punch und the punch lasted till the battery was drained! No more Zippy and low C-ratings for me, that's for sure!

[@LS-yv8zh]

Great real world test. Tip remove the prop rebrand the video for rc cars do the same thing and you'll receive ton more views n subs from the car community!!

[@LuisSegoviano1]

hello I have a UPAIR ONE 4k plus and its battery does not last much longer than me lasted are 9 minutes recording from beginning to end, but they say that lasts 16 others than 18 some more than 20 but it lasted me only 9 minutes, You could tell me if there is any battery that I can put on and it lasts longer and does not affect anything in the electric drone, greetings.

[@RcOffroad9513]

Will too low discharge, cause an esc to not run a motor?

[@nerdnic]

I would think as long as the voltage is correct, the motor should turn. However, if your motor draws too many amps vs what your battery can supply, you'll likely ruin the battery.

[@guitchess]

Great vid.. Thanks for the info. I'm also wondering about the battery life as well. When I started flying a year ago, I bought the cheapest batteries I could get. Now, they are pretty close to end of life. Would the higher C batteries last longer? If so, it would offset the higher initial cost. As a noob, I also wanted the lowest amount of cash in the air so if I lost the craft I wouldn't be out quite as much money. Still flying the nnP-39 and loving it. Thanks

[@seanjhardy]

if i have 4 30amp ESCs, if i only have one 30C 3000mah lipo would that mean only one ESC can be powered fully at once? would it power every ESC at a quarter of the 30c max discharge? does that mean i need 4 lipo batteries to power 4 ESCs? Whenever i use one 30C lipo i can get one motor to run at full power or all of them to run quite weakly, what is the solution to this?

[@nerdnic]

Hi, you don't need 1 batter for each ESC. If all 4 of them run, but weakly, then you don't have a powerful enough batter. Either upgrade a to higher C battery, or one with more mah.

[@seanjhardy]

will two 3s 6000mah power all four motors? that should be 120 discharge rate to power 30x4 (120 amp) ESCs?

[@gooniac33]

So if you there is a 29g difference in weight.... Why not make up that weight with extra capacity for the lower C pack and it will give you what you need? Using more capacity with the lower C will help. This is a balancing act that when done properly works really well.

[@nerdnic]

Yes it definitely helps! I did that comparison in this video here: kzbin.info/www/bejne/p4i9lJSao7iNh5I

[@remkojerphanion4686]

Gooniac33: good comment.

[@youarerightthanksforadmitt846]

Very cool man. Really desciptive and understandable! Hell yeah. Can u make one on rc brushless motor interals determing kv rating?

[@24fretmaddog78]

Very good testing and explanation, gave me more understanding. Thank you.

[@yogeshnaik9276]

Very nice info.. nicely presented..but if the controller is only say 13 amps will it not burn with the higer C ratings battery?

[@nerdnic]

Your speed controller must be higher amp rated than your motor/battery output. Using a high c battery should increase the output, so account for that in your speed controller sizing.

[@yogeshnaik9276]

@@nerdnic in my case Iam already using a bbsd 02 36 v 350W 18 amps as daliy driver to work but on steeps n stop go the lithium ion 8amps 1C battey could not much punch...I am ordering a new lit. ferro phosphate 20amps 3C peak discharge customised battery pack.. its expected to give 60A peak for 10 seconds on twist of throttle..will it burn the controller?

[@nerdnic]

If I'm understanding your setup correctly, then I think you'll be fine with no issue. Going from a 1c discharge to 3c shouldn't increase your total motor wattage output by much. But where it will help is keeping the wattage higher on those hills and stop/go situations where your 1c struggles. Good luck!

[@QuebecoisSti]

Thanks for all explanation. In brief, higher C means much better total performance

[@nerdnic]

Correct!

[@Ivar1231]

I have a 30c recommended motor, and esc.. If i use a higher c rating battery, will it burn out my esc and or motor ?

[@nerdnic]

It shouldn't cause any issue. However, to be safe you should buy a watt meter and test.

[@murdockphantom6629]

Is this an accurate comparison? Why didn't you compare two graphene batteries with different C ratings? Or two regular lipo batteries with different C ratings? You are comparing two different battery chemistries.

[@themountain59]

great testing..keep it coming with other types of batteries.

[@ChrisMisMYhandle]

great video thanks nerdnic

[@K5_BlaZer]

Great video, I have the same batteries, but also the Zippy compact 40C, I found the Zippy packs (1000MAH, 3S) 35C and 40C don't last as long in general. You might save 2x on cost, but it only lasts 1/3 the time a 65C 1000MAH in total lifespan. Well done Nic

[@markn3586]

If I'm putting a 3000mah 3S battery with a 30amp ESC , THEN is there an optimal C rating battery that I should use? 15C? 30C? 40C? Or does it really matter?

[@nerdnic]

Hi Mark. Your ESC can handle any size/C battery. The trick is to make sure your ESC and battery can deliver as much power as your motor needs.

[@DancingDread]

This video makes me glad I forgot to order replacement batteries yesterday. Thanks a lot.

[@nerdnic]

What did you end up getting?

[@DancingDread]

***** I wound up grabbing a Tattu that I still haven't put through its paces due to not having anything to put it in

[@gooniac33]

There are a couple things that you are not taking into account. That is an over square prop that is actually cavitating when static. Props unload in the air so that prop may actually pick up some more amps on the air because of it getting more bite. Another thing to notice is that higher C packs also draw more amps. When you draw more amps you are actually using more energy so you actually lose flight time as well. Lower C packs are saving weight and when flown within their limits can actually get better flight times. If you really want to show how to effectively use the energy density of lipos you can find a pack that is the same weight as the Graphene pack but higher capacity which will help with discharge rate as well. Its a balancing act between weight, discaharge capacity and flying style too. Choosing packs based on discharge rate is the way that I do it which gives a good mix of flight time and performance. High C will always have its drawbacks..

[@jameslinden6304]

gooniac33 He also uses different brands, where the battery with the lower C rating is a budget brand. This test was rigged to prove a point.

[@nerdnic]

The test was not rigged. If I used the same brand with different C rating you'd see the same result, higher C would provide more power.

[@nerdnic]

There is another guy who thought the same thing, said my test was stupid and then did the test himself with same brand batteries. As expected, he got the same results as I did. kzbin.info/www/bejne/q3evfWCfmdWohdk

[@remkojerphanion4686]

Does a high C-rated battery also provide longer run times, and does it have a longer life? (No. of cycles)

[@nerdnic]

Remko Jerphanion run time, not really. In some situations you will get less run time in minutes because the power is released faster. Longer life, yes. This happens because less voltage sag means less heat. The drop in voltage is from the internal resistance in the battery, and the difference between the sag and the cells charge is how many volts/watts are being used to heat the battery. Heat kills our batteries, so the more you can reduce heat the longer it will last.

[@remkojerphanion4686]

@@nerdnic Thanks for the quick and comprehensive answer, this helps!

[@MrEndoftheRoadRC]

nice break down🖒

[@AileronRC]

Wow, that was really informational. Thanks!

[@nerdnic]

You got it!

[@charliewhelan9488]

In airsoft, my gun benefits from 25C over a 20C but the improvement is huge

[@nerdnic]

That's good to know. I imagine you'd get a more consistent and powerful shot.

[@charliewhelan9488]

Nic Lechner it seems to cycle more evenly, yes, but doesn't increase how hard it shoots as the firing phase is only powered by spring tension, the motor simply compresses the spring. Great video, man.

[@nerdnic]

Okay that makes sense. Thanks for sharing :-)

[@badroosterrc]

If I run a 11.1 3500mah 30c verses 3500 60c, will it kill my 40amp esc?

[@LS-yv8zh]

No battery doesn't push power

[@PFinkoloTL87]

Escs prefer higher c

[@MaxPower-zp7wy]

isn't the higher C going to burn out your motor or ESC more quickly?

[@nerdnic]

This would only happen if the additional amp draw from the better battery causes you to exceed your motor or ESC amp limit.

[@jaydedelyuenduroairsoft4x448]

Wont a higher c rating will fry motors?

[@nerdnic]

Jade Pogiitot no. If you’re using the correct prop then there should be no issue.

[@livewire1414]

The graphene is a heavy battery when compared to other high c lipos.

[@air-headedaviator1805]

didn't expect that money bit lol.

[@imemyself2820]

Yes of course, it is more compact and does not loose power as fast as lower C rated batteries. It weighs more, though.

[@YouWillTunnel]

This is an excellent demonstration video. Thank you for the tests. If anyone knows the best 4s lipo batteries that can fit inside of 170Lx48Wx69Hmm space? Then please share. Shalom.

[@YouWillTunnel]

Weight is not a problem, I'm wanting at least 10000mAh capacity and discharge C rating is not my main priority too. Thanks

[@nerdnic]

Hi there! I don’t have experience with lipos that large of mah, so I can’t offer any advice here. What are you building?

[@YouWillTunnel]

Nic Lechner hi, me and my friend have modded Traxxas X-Maxx RC cars. They can take 2x 6s lipos for a 12s power using the castle XL2 ESC and 810kv motor. But he has the modded battery compartment extention rails. He needs the biggest pair of 4s high capacity lipo batteries with it fitting in the modded battery compartments. I found out that the Turnigy graphene 4s 10000mAh 15c will fit with his mod. Is there any bigger capacity batteries around that can fit in to a 170Lx48Wx69Hmm box??

[@the_real_foamidable]

Well made.

[@madplan7]

awesome mate, very helpful thank you!!

[@4-WHEEL-DRIVE]

so the 100c battery will be much better

[@kdobson83]

Thanks for making this video. I had no idea it would make that big of a difference. Ummm, guess I'm gona have to start buying better batteries. lol

[@nerdnic]

:)

[@lupusdante5786]

Thanks 👍

[@jumpstartrc1571]

great video

[@seany11244]

Now here is the rest of the story. The C rating is almost NEVER what is on the label which makes comparison shopping nearly impossible. Second, the lower C rated battery will give you more run time compared to similar mAh battery as it is drawing more amps. So yes, you'll get a little more punch with a higher C battery, but it comes as the cost of decreased flight time, increased weight and increased cost. Really worth it? You decide..

[@ammo193]

If only there was data on thrust...

[@matthewprior3762]

Lol he said “pull out!”

[@josephsias1319]

I learned something.

[@williamdecker3989]

You better deposit that cash! Lol! Hopefully more kits coming? Thx!

[@nerdnic]

lol! Yes more kits will be coming soon!

[@kdobson83]

+Nic Lechner Any high wing trainer type planes on the drawing board?

[@nerdnic]

Not just yet, but there will be some in the future!

[@octane2099]

you can hear the difference too

[@timothydemonbreun840]

When he started to throw the money I lost it hahaha

[@nerdnic]

Timothy Demonbreun 😂

[@rafaeltorres2886]

Yes high C is better on tested them on my edf.

[@nerobro]

This is an interesting data set, however... I think the method needs some work? You're controlling on C rating, which isn't "fair" in this case. The test you're doing is "is c rating useful to know" And.. well. sure? But you're not compensating for battery mass. Since these are going in planes, a more useful comparison would be "for a given mass" So that 35C battery, should be something more like 1350mah, instead of 1000mah. At that point, you could draw a good comparison between "is c rating worth it". .... Actually, I think.. with the data you provided, we can figure that out. ... maybe? At least we can get a vague idea. 3.32v, 14 amps. 0.23 ohms? Interestingly, we get the same .23 ohms with the 17amps and 3.93 battery voltage. I was hoping to see a larger difference in IR. I wonder if a 1350mah pack (assuming same mass as the 65c battery) would get you up to that 17amps of draw. On an airplane, where mass matters less, I'd definitely go for the most mah per pound I could get.