[Product specification] Battery Model: 48V 15Ah Battery type: lithium ion Nominal Voltage: 48V Life cycle: 1000 times (80% DOD) Net Weight: About 4.15kg Dimension: 370*110*90mm Discharge Cutoff Voltage: 36+/- 1V Charge Cutoff Voltage: 54.6V Instantaneous Maximum Discharge Current: 80A Maximum Continuous Discharge Current: 30A Charging temperature: 0-45°C Discharge temperature: -20~60℃ Battery Power: 1000W BMS Protection Function: Over charge, Over discharge, Over current, Short circuit protection, Balance Application: Electric bicycle, spare battery, The battery on the bicycle beam