Battery

[MarshJunkie]

I bought my Mavic 3T 3 wks ago. I got the battery that came with it and bought the extra 3 batteries with charger. Haven’t flown very much at all. Went to fly Friday night and the battery was fully charged but when I turned on the drone it was giving me a low voltage reading and wouldn’t let me take off — I turned everything off pulled the battery and restarted and the same thing. Put In a different battery and everything worked. Any suggestions ?

 

[waynorth]

How long had the battery been stored after you charged it fully?
DJI batteries start discharging automatically after some days to prevent damage.
Always charge batteries before you fly.

 

[MarshJunkie]

How long had the battery been stored after you charged it fully?
DJI batteries start discharging automatically after some days to prevent damage.
Always charge batteries before you fly.

I flew last weekend .. charged the batteries before flying Friday night. Indicator lights on the. battery showed fully charged

 

[waynorth]

I flew last weekend .. charged the batteries before flying Friday night. Indicator lights on the. battery showed fully charged

If you put the battery on the charger again and it reports fully charged, and the same low voltage warning happens when you put it in the drone, it seems like a faulty battery. Especially as the other batteries work fine.
The drone is new, so you will get a replacement on warranty.