Keep current volume and a secure Li

Keep current volume and a secure LiFePO4 cells form small, lightweight (lighter than lead acid. Three times) smaller than (Smaller than lead acid Triple, double), a set of management systems, battery (Battery Management System: BMS) in order to provide a high-performance battery all the time. Last longer than traditional lead-acid batteries, NiMH and more than five times as much as two extremely safe: no explosion ignited by a shock or over charging. Is designed to move in and out of the store to prevent theft.