Silverfish 24V 36V 48V 10AH 13AH 350W 500W lithium Battery for Electric Bicycle. 24V 10AH Specification of Battery 250W -350W: Battery Type:Fish Lithium-ion Rated Voltage / capacity:24V/10Ah Battery N. W:2.63KG/3.03KG Battery Size(mm):L390W110H75 Case Material:ABS+Aluminium alloy Battery Color:Sliver Batteries combinations:7-S, 4-P Component:Li(NiCoMn)O2 Cell quality:2500mAh Impedance:? 130m? Recommend to use:250W. Discharging: Standard current:10A-13A Max current:28A-30A Cut-off voltage:21V cycle life:800 times method:Bottom discharge. Charging: method: CC/CV Standard Charging Time :0.2C5A×5hrs Quick Charging Time :0.5C5A×2hrs Max current: 2A-5A Max voltage: 29.4V. Fuse: Installation position:Inside on the PCB Diameter(mm):5 Length(mm):30 Current:30A 36V 10AH Specification of Battery for 250W -350W: Rated Voltage / capacity: 36V / 10Ah Battery N. W: 3.26KG/3.66KG Battery Size(mm):L390W110H75 Battery Size(inch):L15.35W4.33H2.95 Case Material: ABS+Aluminium alloy Battery Color:Sliver Batteries combinations:10-S, 4-P Impedance:? 150m? Component:Li(NiCoMn)O2 Cell quality:2500mAh Recommend to use:200W-360W Discharge Standard current:15A Discharge Max current:18A 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 Fuse:Current:30A. 48V 13AH Specification of Battery for 250W -500W: Battery Type:Fish Lithium-ion Rated Voltage / capacity: 48V / 13Ah Battery N. W: 3.26KG/3.66KG Battery Size:(mm):L390W110H75 (inch):L154W43.5H29.5 Case Material: ABS+Aluminium alloy Battery Color:Sliver Batteries combinations:10-S, 6-P Impedance:? 150m? Component:Li(NiCoMn)O2 Cell quality:2500mAh Recommend to use:200W-360W Discharge Standard current:18A Discharge Cut-off voltage:30V Discharge cycle life:800 times Discharge method :Bottom discharge Charging method: CC/CV Charging time :Standard 0.2C5A×5hrs Charging time:Quick 0.5C5A×2hrs Charge Max current:2A-5A Charge Max voltage:42V Fuse:Installation position:Inside on the PCB Fuse:Diameter(mm):5 Fuse:Length(mm):30 Fuse:Current:30A Certification: RoHS, MSDS. Working temperature: Charging:0°C45°C Discharging:-20°C60°C Storage:0°C30°C. Safety: 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. Package included: 1 x Lithium Battery with Aluminum case(Base discharge) 1Xcharger(EU/UK, according to your country) 2keys 1xmounting plate.