Battery PackModelEM001EM002EM003Battery MaterialLithium Manganese OxideLithium Iron PhosphateNominal Voltage36V48V36VRated Capicaty10Ah10Ah10AhPack Dimension74×110×385(mm)74×110×405(mm)74×110×405(mm)Internal Impedance≤100mΩ≤140mΩ≤200mΩMax Charge Voltage42V54.6V43.8VMax Charge Current4A4A4AMin Discharge Voltage30V39V30VRated Discharge Current5A5A5AMax Discharge Current15A15A15ACharging ModeCC/CVCC/CVCC/CVPack WeightAbout 4.3kgAbout 5.3KgAbout 4.5KgOver Current Protection25A±3A25A±3A25A±3ACycle Life600cycles600cycles800cyclesCharge Temperature0-45°C0-45°C0-45°CDischarge Temperature-20-55°C-20-55°C-20-55°CCertificatesCE,ULCE,ULCE,ULRange with one charge≥40km (Motor 250W )≥50km (Motor 350W)≥40km (Motor 250W)ChargerAC Input100-240V,50/60Hz100-240V,50/60Hz100-240V,50/60HzDC Output42V 2A54.6V 2A43.8V 2ADimension158*71*46mm168*84*46mm158*71*46mmCharging TimeAbout 8hAbout 8hAbout 8hSafe DemandCCC CECCC CECCC CEWire LengthAC 1m DC 1mAC 1m DC 1mAC 1m DC 1mDC PulgInside:+ Lateral:-Inside:+ Lateral:-Inside:+ Lateral:- 1. This li-ion battery is used fore-bikes. Our groundbreaking technology in lithium-ion batteries is designed to power a dynamic array of applications such as compact portable power, electrical vehicles, military/defense and aeronautic systems. 2. Environment friendly, non-toxic, non-heavy metal, no pollution, easy to be disposed. 3. Good safety performance compared to the normal Li-ion battery. 4. No explosion when use. 5. Lower cost for the same capacity compared with the other battery type. 6. As for battery packs, we can supplyall kinds of batteries with different voltages and capacities according to your request, and our products are of high quality and with competitive price, we have confidence that you will be satisfied with both our products and services if you take a chance to work with us.