BAFANG Programming Cable Varstrom 8FUN programming cable is compatible with BAFANG BBS01B, BBS02B, BBSHD with UART protocol. But the cable is not compatible with other motor controller such as M620 M500 M600 M420 M200. Varstrom Bafang CAN-bus Debugger Operation Guide Compatible Motors BBS01B: 36V/250W, 48V/250W, 36V/350W; BBS02B: 36V/500W, 48V/500W, 48V/750W, 48V/750W (100mm); BBSHD: 48V/1000W, 52V/1000W,48V/1000W (100mm), 52V/1000W (100mm), 48V/1000W (120mm), 52V/1000W (120mm). What is the Use of This Programming Cable Change the basic user level of the controller; Reduct the current; enable full throttle at PAS lever 1 to 9; System Requirements Window 7, some windows 10 system also support to this cable, but not all the windows 10 will work. If you need help with the windows 10 system, please email us