I´ve got a e mobile called Twike with old NiCd 280s2p battery packs.
What I´m looking for are cells like A123 LiFePo4 20Ah or anything like this and a trustable seller of these.
The plan would be 7 packs of 17s, in total 119s.
The Twike has like a mini bms, which is able to monitor the...