Email: pimkin at batterybuilding.com

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Battery Controller:

Specifications:

Controller Model	Specification
controller Model	Input Voltage:DC14.4V
	Max.Cont.Discharge Current:50A
	Max.Pluse Discharge Current:100A (20ms)
	Max.Charging Current:30A
	Casing:Alumimun Alloy
	Dimension:112.7L x 63.5W x 38.2H mm
BC21C11	Input Voltage:DC28.8V
	Max.Cont.Discharge Current:20A
	Max.Pluse Discharge Current:30A (30ms)
	Max.Charging Current:20A
	Casing:Alumimun Alloy
	Dimension:112.7L x 63.5W x 38.2H mm
BC21D22	Input Voltage:DC28.8V
	Max.Cont.Discharge Current:200A
	Max.Pluse Discharge Current:250A (30ms)
	Max.Charging Current:200A
	Casing:Alumimun Alloy
	Dimension:137.5L x 178.0 x 68.8H mm
BC31S21	Input Voltage:DC43.2V
	Max.Cont.Discharge Current:20A
	Max.Pluse Discharge Current:30A (30ms)
	Max.Charging Current:20A
	Casing:Alumimun Alloy
	Dimension:137.5L x 178.0 x 68.8H mm

Remarks:
1.Discharging current is controlled by the Electric Device.
2.The data listed is the upper limit of the controller itself,and is not the limit of battery pack.
3.Controller only controls about activating/cutting off charging current,  and the actual current would be determined by charger.