Intelligent Battery Pack This is a 8 cell Li-Ion rechargeable battery designed to fit Asus A1, A1000, A1000B, A1000D, A1000F, A1B, A1D, A1F, A1200, A1300 series notebook computers. 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.