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I bought a drone with a battery and i would like to buy a second one. Maybe a better one if possible.

I have a charger with wrote : 

Li-PO: 7.4V

And the battery:

Full ymax 853480 (i guess it's reference ?)
7.4V 2000 mAh
14.8 Wh
+ 6154*3101

I have seen others battery, but never with same characteristic, Witch one is the most important ?

Does 7.4 V 800 mAh

The identical are only on alibaba, so rather have a better one.

This is a picture of it

enter image description here

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    \$\begingroup\$ You should try to match the "7.4V 2000 mAh" - the 800mAh one has a much lower capacity and may not be suitable for the same charge/discharge currents. \$\endgroup\$
    – pjc50
    Aug 10, 2016 at 8:52
  • \$\begingroup\$ Ok, so can i use 6000 mAh for exemple ? it could broke it ? Longer time battery ? \$\endgroup\$
    – albttx
    Aug 10, 2016 at 9:14
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    \$\begingroup\$ 6000mAh would work electrically, but may be too physically large or heavy. \$\endgroup\$
    – pjc50
    Aug 10, 2016 at 9:32

1 Answer 1

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The ampere readings are very important when considering a battery for such usage. Fueling a drone requires a large amount of current flow. I guess it is not possible to power a drone with 800mAh battery. Find some battery that has the same current ratings. And to answer your question both of the Voltage and Current ratings are important.

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