Looks like a home built project. The cells are available as are the bits and pieces, BMS and such. Fairly pricey project. 36 cells of 18650 at $6 to $12 each. BUT 500+ charges to 80%

1 Schwinn/Currie S350

1 Schwinn/Currie S500CD overvolting YK43B 36V WOOHOO!!

2 Bafang BBS01 36V 350W Mid Drive E Bikes w 36V LiMN Batts

1 Trek Pure 48V 1000W DD

1 3spd 26" Mixte 36V 500W GD

1 Yoch 750W Mid drive bike to be determined

1 Schwinn/Currie S500CD overvolting YK43B 36V WOOHOO!!

2 Bafang BBS01 36V 350W Mid Drive E Bikes w 36V LiMN Batts

1 Trek Pure 48V 1000W DD

1 3spd 26" Mixte 36V 500W GD

1 Yoch 750W Mid drive bike to be determined