X-GO SilverFish E-Bike Battery. This item is including the charger. Battery Type:Fish Lithium-ion. Rated Voltage / capacity: 36V / 10Ah. W: 3.26KG/3.66KG. Battery Size(inch):L15.35W4.33H2.95. Case Material: ABS+Aluminium alloy. Batteries combinations:10-S, 4-P. Component:Li(NiCoMn)O2. Recommend to use:200W-360W. Discharge Standard current:10A-13A. Discharge Max current:15A. Discharge Cut-off voltage:30V. Discharge cycle life:800 times. Discharge method :Bottom discharge. Fuse:Installation position:Inside on the PCB. Fuse:Diameter(mm):5. Fuse:Length(mm):30. PCB board and BMS Protection. PCB board Protection:Over charge, over discharge, over load and short circuit. BMS board Protection:BMS is used to supervise battery by measure its voltage, temperature, current and SOC (State Of Charge), give out alarm under wrong circumstance, cut off electric power link in severe situation in order to protect battery and make its life longer. BMS can balance energy among batteries to make them more identical and expand its discharge cycle. 1 x Lithium Battery(Cannon Head) with Aluminum case(Base discharge).