motor battery pack 1,Ultra-Longer Lifecycle-2000times 2,Lighter Weight, ... 3,Higher Safety 4,Free Maintenance O'CELL 12V35Ah LiFePo4 Motor Battery Pack with SLA CaseItemUnitSpecificationsNominal CapacityAh35Nominal VoltageVoltage12Dimensionmm160×70×210mmWeightkg2.5Charge ...