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Damaged Lipo’s ?

Posted: March 3rd, 2019, 7:40 pm
by David Baker
All
Got some hardly used 4cell and 5 cell 5000ma packs I left them fully charged for what appears to be.. too long!
I use them in pairs as 8cell or 10 cell for my 1/4 scale Cub..
They seem to balance charge and discharge on the charger perfectly..
But
Put them in a the model and they fail and drop the motor soon after take off. (100a esc with 160 motor) even under moderate load?
Are they scrap? Or can they be saved?
Best part £100 a pair!
Thanks
David