48V 13Ah silverfish Lithium Battery for 750W 500W 250W Electric Bicycle E-Bike. 1 this battery is 2 ports, not 4 ports, please confirm it before placing order. Please check the picture, the 4 port has 4 holes on the bottom, the 2 ports also has 4 holes but the middle 2 holes are empty.The polarity are reversed, 4 ports: positive (+) is on the key and charging socket side. 2 ports:negative (-) is on the key side.
2 the size is 39cm110cm7.5cm, please make sure the size is fit for your bike. 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:? Component:Li(NiCoMn)O2 Cell quality:2500mAh Recommend to use:200W-750W Discharge Standard current:10A-13A Discharge Max current:28A-30A Discharge Cut-off voltage:30V Discharge cycle life:1000 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: CE, 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. Lithium Battery (Cannon port)with Aluminum case(Base discharge). Customer satisfactory is most important to us. Please give us at least 24 hours to reply!Our office hour:-9:00a. (GMT+8) of Monday to Friday.