This Energy Laptop Notebook Battery is a rechargeable battery. This battery is model L17670-9TSP 10.8 Volt 3600mAHr. It is for Toshiba Satellite Pro Models 400, 405, 410, 420, 425, 430, 435, 440, 445 and 460 series. ReplacesToshiba Part No. PA2487UR. Looks new, in plastic, but plastic cannot be sealed and not known if unused.