... or roadside emergencies;With enough power to jump-start car, truck, motorcycle,boat,RV and tractor. Key Specifications/Special Features:Rated voltage: ... 160mmBattery weight (cell): 1,450 ± 30gSmall size and lightweight: compare with our battery, 1/2 size of lead acid ... { 'aImgSrc': aBigImageSrc } ); } )(); Prismatic LiFePO4 Battery 3.2V 40AH with High Discharge Current and Safety Performance