6-cell Li-ion 10.80V 4400mAh High Quality Laptop Battery Replacement for TOSHIBA Equium, Dynabook Satellite AW3, Satellite Pro A100, Pro M50 / Dynabook CX, TX, VX Series / Satellite A80, A100, A105-S4000, M40, M45, M50, M55,M100, M100-ST5000, M105, M105-S3000, M110-ST1000, M115-S3000 Series / Tecra A3, A4, A5, A6, A7, S2 Series(fits selected models only) , Compatible Part Numbers: PA3399U-1BAS, PA3399U-1BRS, PA3399U-2BAS, PA3399U-2BRS, PABAS057, PABAS076 Reviews More at http://ping.fm/zMDYH