Toshiba PA3479U-1BRS replacement battery provided by AtBatt.com is designed for use with the Toshiba Satellite P100, P105 series, Satellite Pro P100 Series. The LTO-74 is designed to replace OEM part numbers: PA3479U-1BRS, PA3480U-1BRS, PABAS078. Amstron laptop batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed oriinal equipment manufacturer specifications. • Chemistry: Li-Ion • Rating: 10.8V 4400mAh • Dimensions (LxWxH): 8.21 '' x 3.05 '' x 0.78 '' • Warranty: 1 Year