LiPo Batteries - How to choose the best battery for your drone

Guides
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3

I choose the Tattu fpv drone battery, many parters are used it ,and it is really good.

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I get it ,I have knew how to choose a battery for my drone.Thanks for share .

5

MaxAmps. Great battery. Great customer service. Can get all batteries with connector installed or bare. Highly recommend.

6

Thanks for share. I like Gens ace battery. Great battery!

7

If you were to build a drone for lifting stuff what battery and how many rotors would you put.
Thanks

8

Our article on how to choose a motor should help!

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There are several errors/typos in the text, carelessly written, I will reflect on this, what the hell does this mean Alex?

“I have used many of these batteries and although they do work very we however these batteries are great value for money for hobby drone builds”

10

Thanks for pointing that out, I do agree that does not make any sense. I have updated he paragraph :smile:. I often write these guides in parts late at night after work when I get a chance. However we are now focusing more on better written content on the dronetreat blog that gets edited before publishing as I agree it’s not fun to read poorly written guides even if the content is good.

Any other questions just let me know

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Thanks for this, great article! I think something that should also be noted for higher voltage and cell count is the increased amp draw. The motors do develop more thrust with higher voltage, but at the expense of much higher amp draw. So people should also consider the minimum voltage that will allow them to hover at 50-70% throttle. Plus, more cells at the same capacity almost always equals more weight.

12

Hi alex,

I am building a hexacopter with 4114 (max thrust is 2980g with 25.6A current draw) Motors that draws Max Current of 25.6 (26). I already have a battery 5200mAh 10C battery. Is this sufficient enough? or do I have to go for a higher C rated battery? When I do the math described in this topic its not way near, but wondering this might work or not. My ESCs are 40A Hobbywing OPTO.

Secondly, I was thinking of buying second battery for the same build to run in parallel. Or is it worth to go for a higher capacity battery with high C rating.

Please advice.

Thank you

Weere

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5200mAh at 10C will output a max of 52A

$$(5.2 \times 10) = 52$$

So that battery is fine assuming your total.cureent draw at government is less than 52A. However, are you saying that each motor you are using draws 26A at government? So then the total current draw will be 6x 26A?

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14

Hi Alex,

Motor is Racerstar Racing Edition 4114 BR4114 400KV 4-8S Brushless Motor For 600 650 700 800 RC Drone FPV Racing

According to the manufacturer load current is 25.5A at max thrust. I assume this is for a one motor. See below pls.

Tested with 22.2V voltage 17x4 propellers:
Load current: 25.5A
Pull: 2920g
Power: 566W
Efficiency: 5.2 (g/W)

So it has to be 25.5 x 6? Because I have 6 motors?

To explain it, my build is Tarot 810 series frame with DJI Naza M V2, Hobbywing 40A Opto.

My doubt is the battery. I have Turnigy multistar 5200mAh 10C battery.

When I do the math, it’s not good enough. My initial plan was to have the second battery of the same and fly my build with two batteries for longer time.

So, what is your recommendation? A bigger capacity battery with higher C rating?

Pls advice?

Thank you,

15

Yes it it 6x 26A, but realistically you will not fly at max thrust all the time. So you just need to care about hover as batteries also have a burst current rating for 30-60secs at a time

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16

Hey @unmannedtech1, great and very informative post. Was wondering whether you’d be able to augment the post by giving a few working examples and recommendations of what battery works best for a few popular drone models? Would that be possible?

Cheers
David

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Im still unsure as to what i am supposed to buy as i dont know these other things like the weight and stuff
I have a
Motor Specifications
Stator Diameter 22mm
Stator Height 6mm
KV (rpm/Volt) 2300
Weight 31g with full wires
Recommended Props 5 or 6 inch
LiPo Compatibility 3-4S
Prop Mount Height 5mm
Prop Mount Diameter 5mm
Interior Threading CW or CCW
Magnets N52H arc magnets
Stator Laminations 0.15mm
Winding Single Wire
Bearing Genuine NMB

Chemeleon 6
-2206/2300kv Oomph Velvet Edition motors

  • 30 amps Armattan ESCs
  • HS 1177 camera with 2.5mm lens
  • CL Racing F4 FC running Betaflight OSD
  • Mini 200mw Aomway Stubby VTX
  • Aomway Stubby antenna
  • Cyclone props
  • Landing dogbone pads
  • Soft mounted FC using anti vibration standoffs
  • Lipo foam pad
  • HD cam foam pad
  • Lipo strap
  • FrSky X4R-SB

That is my build.
I am so confused as to where you get all this information like current draw and max thrust.

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Useful，though many guys have no much time to read it carefully.

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Hi Alex,

Thank you for great article, I have done a amount of research for choosing lipo battery. As you said that the base knowledges we need to know, there are size of battery, discharge rate, capacity, voltage and connectors.

Tattu and Turnigy are famous on the market, I also use them on my mini FPV, great battery.

At the same time, I tend to focus on the flight time of battery, I found this article (http://www.rcdronegood.com/how-to-choose-battery-for-quadcopter/) that mention the formula about how to calculate flight time. flight time =(Battery Capacity * Battery Discharge /Average Amp Draw)*60 , I was wondering how you feel about that?

Thank you.

20

Ok so from the example thrust table, I see that the working voltage is 11v. However, I still don’t understands what happens if the voltage from the battery is, say 14v. Can someone please help?

21

It’s really helpful, thanks

22

If I have an estimation of my quadcopter to be a 1.3 Kg total weight and I need it to be around 25 min of flight time what battery and motors are recommended?