PowerBattery supplys energy to a notebook PC by pluging in DC port. It extends note PC's running time more than three times longer. It is vital to a successful businessman on a long business trip. Large capacity Lithium-ion battery has the highest energy density. Slim and Compact In spite of its large capacity, its size is comapct and its weight is light. Long life PowerBattery dose not influenced by the heat of notebook PC, because it is in a separate cover. It almost remains the same after 600 charge/discharge cycles. No memory effect Lithium-ion battery has no memory effect that may shorten cycle life, as with NiCd batteries. Fit to many PCs PowerBattery fits many major notebook computers. For the moment, our PowerBattery is for residents in Japan only. We currently offer three types of PowerBattery, click below for product specification. 　 PowerBattery nasa 　PowerBattery HEVA   For digital camera For notebook PC For PowerBook For Industrial Use