Originally Posted by ollo_ollo

Second problem was more serious. Battery went dead & wouldn't charge. Took it apart & found 1 cell bad(read 18 volts, rest were 2.6 volts). I bypassed it and every thing works again. Just tops out at 24 volts instead of 26.5 or so. Charging still 10 minutes to 30 minutes. Medium setting + pedal assist must not tax the battery and motor much, as performance seems unchanged. Range may be reduced, but I still haven't ridden more than 12 miles at a stretch and after that use still shows 1/2 charge.