Hi colleagues, I need advice.
I have a TSDZ2 engine 48v 350w to which I have connected a 52v battery and the engine does not just tinkering you do what to do.
So solved, I used ECO-EBIKE.com
52V 19S.Kterýje on his site.
My new barie is now 52v 17.5A -910Wh 14S5P :lol: