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The maximum current is determined by the ebikeâs controller, and is usually somewhere between 15-30 amps. An ebike with a 48V battery and a 20 amp peak controller would theoretically be capable of a nominal 960 watts of instantaneous power. This is where things get complicated though, because ebike manufacturers donât always rate their parts this way.
The power controller accepts a 4 to 20 mA dc output from a temperature controller or can be supplied with manual option using a remote potentiometer. The SCR19 Series controllers offers two methods of proportional control â Zero-voltage-switched and Phase-angled-fired. With the Zero-voltage-switching mode, the controller switches on complete cycles of the ac supply voltage.