48V 13Ah Silverfish Electric Bicycle 2-pins E-bike Battery for 350W 500W 750W
Fit for 48v E-bike and your motor should be 48v 350W-750W. Case Material： ABS+Aluminium alloy. 1 x Lithium Battery. this battery is2 ports output (the middle is empty) ,it is not 4 pins. 1 x Battery Fixed Plate.