CWK 7800mAh 9 Cell Capacity Battery for Toshiba Satellite M305-S4835 PA3634U-1BRS PA3638U-1BAP PABAS117 Toshiba Portege M800 PA3635U-1BRM PABAS117 PA3817U-1BRS PA3817U-1BAS Toshiba PA3728U-1B Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 8800mAh / 12 Cell 90 Day Money Back. Buy with confidence!