Choosing a battery based solely on your laptop model runs the risk of ordering an incompatible item.

Compatible With Part Numbers:

PA5278U-1BRS / PT28U-0LN03X / PT274U-01N001

Compatible With Models:

Toshiba Tecra X40 Series Toshiba Tecra X40-D X40-E X40-F Series Notebook Toshiba Portege X30 Series Toshiba Portege X30-D X30-E X30-F Series Toshiba Portege X30-D Series X30-D-121 / X30-D-123 / X30-D-143 / X30-D-162 / X30-D-10V / X30-D-10M / X30-D-11U / X30-D-13Z / X30-D-16P / X30-D-19E. Toshiba Portege X30-E Series Portege X30-E-11U / X30-E-10U / X30-E-11T / X30-E-11D / X30-E-BTO, X30-E-12H / X30-E-10G / X30-E-11Z / X30-E-12F / X30-E-12H / X30-E-12N Toshiba Portege X30-F Series X30-F-10N Toshiba Tecra X40-D Series X40-D-110, X40-D-122, X40-D-123, X40-D-124, X40-D-145, X40-D-149, X40-D-152, X40-D-161, X40-D-166, X40-D-167, X40-D-168, X40-D-173, X40-D-176, X40-D-179, X40-D1452, X40-D-10E, X40-D-10F, X40-D-10G, X40-D-10M, X40-D-10T, X40-D-10W, X40-D-10H, X40-D-10U, X40-D-10V, X40-D-10J, X40-D-10R, X40-D-10Q, X40-D-10Z, X40-D-11F, X40-D-11Q, X40-D-11Z, X40-D-11H, X40-D-12H, X40-D-13C, X40-D-13X, X40-D-14T, X40-D-14P, X40-D-14M X40-D-15T, X40-D-15F, X40-D-15Z, X40-D-15U, X40-D-16J, X40-D-17C Toshiba Tecra X40-E Series X40-E-10H / X40-E-10W / X40-E-11M / X40-E-108 / X40-E-109 / X40-E-18G / X40-E-18P Toshiba Tecra X40-F Series X40-F-BTO
Certifications: UL, CE, FCC, RoHSProtections:

• Overload Protection
• Over-current Protection
• Over-voltage Protection
• High Voltage Protection
• Short Circuit Protection
• Over-temperature Protection