Intelligent Battery Pack This is a 9 cell Li-Ion rechargeable battery designed to work in Toshiba brand Portege T3400C, T3400CT, T3600C, T3600CT series laptop and notebook computers. We are currently shipping original Toshiba brand battery. This battery ships fully charged, tested and ready to work. This ENERGY+ item is built with the highest quality standards, safety features and has a 12 month warranty.