... Cycle life, safe, green, and Renewable. Hipower lithium iron phosphate battery is widely used on Electric car ... weight reduced also means long driving distance. Optimized size batteries are suitable to replace group 31, 4D, 8D, ... etc, also can replace some of Ni-CD batteries.Hipower LiFePO4 battery can accept fast charging like 1C ... need to enjoy the convenience of usage. Lithium Battery for E-Boat