Over the last year I've built up my first ebike:
Crystalyte 72V 50A controller (running at 100V max charge)
Cytlyte H4080 motor
24s3p 5aH LiPo (88.8V nominal 15aH)
I've done about 500Km on the bike. Mostly through forest tracks.
The poweris pretty impressive, and I managed to bruise my ribs...