This Toshiba Primary Battery Pack is a 6-cell, rechargeable, removable, Lithium Ion battery designed to work with select Toshiba Satellite and Tecra series portable computers (see full compatibility below). If you are on the road or frequently in meetings and require non-interrupted computing time, keep one extra battery pack handy and enjoy the true portability of your PC.

  • Capacity: 10.8V x 44Wh
  • Number of battery cells: 6
  • Dimension: 8.13" W X 0.7" H x 2.0" D
  • Weight: 11.4 oz
  • Battery life: Up to 3.5 hours* (normal mode)
  • Recharge time (main off/on): 4 hours/12 hours approximately
  • Compatible with Toshiba Satellite A100-S8111TD with Intel Core Solo or Core Duo Processor only, A100-ST8211, A105-S4XXX, M40 (except M40-S312TD), M45 (except M45-S165, M45-S169, M45-S165X & M45-S169X), M50, M55 (except M55-S139, M55-S141, M55-S1001, M55-S1391 & M55-S1412), M100-ST5XXX, M105-S322, M105-S30XX, M110-ST1161, M115-S3XXX; Tecra A3, A4, A5, A6, A7 and S2 series portable computers
  • RoHS compliant
  • One year limited warranty
*Measured by MobileMarkā„¢ - Battery life may vary depending on applications, power management settings and features utilized. Recharge time varies depending on usage. Battery may not charge while computer is consuming full power. After a period of time, the battery will lose its ability to perform at maximum capacity and will need to be replaced. This is normal for all batteries.

Toshiba is dedicated to preserving the environment by sponsoring Call2Recycle™, a program of the Rechargeable Battery Recycling Corporation. For more information and for drop-off locations, visit or call 800-8-BATTERY.

Note: This is the direct replacement for Toshiba Primary 6-Cell Battery Pack (Mfr. Part#: PA3399U-1BRS)