Item: 15S134Ah-PC01-A BMS: with Smart BMS Nominal Voltage: 48V Nominal Capacity: 134ah Charge Current: 60A Discharge Current: 100A Internal Resistance: less than 30ml Life Cycle more than 1500 cycles Communication: RS485&RS232 Weight: about 60.0Kg Dimension : L740mm*W435mm*H150mm