Lithium LIFEPO4 36V 72AH Battery Battery type: lithium Iron Phosphate (LiFePO4) Nominal Voltage / V 38.4V Nominal Capacity /AH (25 C, 0.2C) 72AH Nominal internal resistance: 0.5 m Weight 44 Lb (20Kg) Dimensions L x W x H 18-3/4 x 9-1/4 x 10-1/4 Inches (477 x 235 x 261 mm) Voltage Window 30v 2500 Cycles Operating Temperature 20 C to +55 C Storage Temperature 20 C to +45 C Terminal Anderson Plug SB175