Hello  

today after long time (25 July) i back to check my battery lipo since i had to plug in one in the drone to test.

I find that two of the battery was at regular conditions:
https://i.imgur.com/lSl0xbN.jpg
https://i.imgur.com/2E2Of5P.jpg

while that other is dropped a bit:
https://i.imgur.com/nlFUNH6.jpg

is that okay ? 

dropped 91 mah, and required 7 minutes to charg at 1.5a...while much more to do the balance.

it is fine

(11-Oct-2021, 07:15 PM)hugnosed_bat Wrote: it is fine

that is how is been completed the proces:
https://i.imgur.com/2ks8dqC.jpg

34 minutes to charge 150 mah

the difference in voltage per cell isnt an issue.

how many amps did you setup for charging? seems 1.5a

you choose fast charging, i would try out normal balance mode.

i would compare the readout of the charger to a lipochecker, maybe the charger needs to be calibrated.
another option would be to look for a software update for your particular one

(11-Oct-2021, 09:51 PM)hugnosed_bat Wrote: the difference in voltage per cell isnt an issue.

how many amps did you setup for charging? seems 1.5a

you choose fast charging, i would try out normal balance mode.

i would compare the readout of the charger to a lipochecker, maybe the charger needs to be calibrated.
another option would be to look for a software update for your particular one

he always say fast charging but i alway put 1.5a the charge and my lipo is 1550mah

My charger is the ToolkitRC M4Q, how i can see if is available fw upgrade ? is difficult to do ?

you will get the best info and the software on the website from toolkitrc. there might be good videos about it on youtube