Lithium ion battery pack for electric bicycle 24V series, Cell balance BMS and charger included. Water-proof design case Anti-vibration internal mechanical design, High safety: UL certificated cell , RoHS\CE compliance, Wide working temperature range: -20-60°C, temperature sensor inside Long cycle life: 1000 DOD cycles 24V lithium ion battery pack for electric bicycle Model Voltage & Capacity Battery Cell Pack Construction Size L*W*H (mm) Weight (Kg) RT11076195208 24V 8Ah 26650/4000mAh, 3.7V 7S2P 110*76*295 2.0