battery storage

assamite1984 · Apr 24, 2014

so i hear to store the batteries they shud be kept at around 50%

but my question is how do u check it cause all u have to go on is the green lights
i know 2 solid lit lights means about 50% but is there any other way of checking?

dave21 · Apr 24, 2014

Plug phantom to assistant and you will see battery status

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Gizmo3000 · Apr 24, 2014

Wel, since the DJI charger is a bit crude, you have two options
- figure out how long it takes to fully charge a battery, and time it out so it only charges for half that amount of time (or a little less)
or the more fun way : fully charge your battery, and then fly for about half the amount of time you normally would.

Old Gazer · Apr 24, 2014

I just check the flashing lights while charging. Two solid lights and when the third light first starts flashing, I pull the plug. That puts the charge very close to 50%. Close enough

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4wd · Apr 25, 2014

What's the best way to keep them unused for a longer period, say a couple of months or more?

Ozzyguy · Apr 25, 2014

3.85 volts per cell. 11.55 volts

Mori55 · Apr 25, 2014

Keep at 50% should be fine.

phantomguy · Apr 25, 2014

4wd said:
What's the best way to keep them unused for a longer period, say a couple of months or more?

50% or a bit less, and in the refrigerator in a zip lock bag.

Ozzyguy · Apr 25, 2014

I would strongly advise again putting them In the refrigerator. LiPos love warmth. If you leave them In the fridge and take them out without allowing them to reach room temperature while still on the bag then they will get condensation.