This is a Brand New Li-Ion Original Battery for Toshiba.

Toshiba Part Numbers: PA3400U-1BRS, PA3400U.

Compatible Toshiba Models:

Toshiba Satellite A100: A100-S8111TD with Intel Core Solo or Core Duo Processor only, A100-ST8211, A105-S4xxx.
Toshiba Satellite M100 Series: M100-ST5xxx, M105-S322, M105-S30xx, M110-ST1161, M115-S3xxx.
Toshiba Satellite M Series: M40, M45 (except M45-S165, M45-S165X, M45-S169 and M45-S169x), M50, M55 (except M55-S139, M55-S141, M55-S1001 and M55-S1391).
Toshiba Tecra Series: A3, A4, A5, A6, A7 and S2.

Product Specifications:

Rating: 10.8V
Capacity: 8600mAh
Size: 8.13" x 3.27" x 0.87"
Color: Black
Cells: 12 Cells
Weight: 1.3 lbs/21.5 oz
Battery Life:: Up to 2.8 ~ 5.0 hours (normal mode)
Technology: Lithium-Ion
Condition: Brand New
In Stock: Yes