... ,48V3A):Automatic 3-stage charging, switching mode & high frequency. Electric Bike Charger(12V8A,24V5A,36V4A,48V3A) Specifications:Size:150*90*50mmNet ... . Auto Motive Battery KP-S for Lead-acid, Silicon BatteryKP-SL for Li-ion/LiFePO4 BatteryLead-Acid: 12V8A,24V5A,36V4A,48V3ALi ...