Maybe it was not a good idea to charge them in series, hmmm... I guess I should charge each one separately at 2.5V. A small "charger circuit" would be nice, that lets a led flash once 2.5V are reached, something like that. Will look into that.
Maybe it was not a good idea to charge them in series, hmmm... I guess I should charge each one separately at 2.5V. A small "charger circuit" would be nice, that lets a led flash once 2.5V are reached, something like that. Will look into that.