Long, rectangular battery with ten slit-type contacts on side.Fits:Toshiba PA3258 Toshiba PA3258U Toshiba PA3258U1BRS Toshiba PA3259 Toshiba PA3259U Toshiba PA3259U1BAS Toshiba PA3259U1BRS Toshiba PA3356U-1BRS Toshiba PABAS034 Toshiba DynaBook Satellite M10 Toshiba DynaBook Satellite MX Toshiba DynaBook Satellite T10 Toshiba DynaBook Satellite T11 Toshiba DynaBook SS MX Toshiba DynaBook TX Toshiba DynaBook TX/2 series Toshiba DynaBook TX3 series Toshiba DynaBook TX4 series Toshiba Portege M300 Toshiba Portege S100 Toshiba Qosimio F20 Toshiba Qosimio F20/573LS Toshiba Qosimio F20/575LS Toshiba Qosimio F20/590LS Toshiba Qosimio F25 series Toshiba Satellite A50 Toshiba Satellite A50 series Toshiba Satellite A50-AG1 Toshiba Satellite A55 Toshiba Satellite A55-S306 Toshiba Satellite A55-S3061 Toshiba Satellite A55-S326 Toshiba Satellite M3 series Toshiba Satellite Pro M1 Toshiba Tecra A2 Toshiba Tecra M2 Toshiba Tecra M2 series Toshiba Tecra M2-S319 Toshiba Tecra M2-S339 Toshiba Tecra M2-S410 Toshiba Tecra M2-S430 Toshiba Tecra M2-S519 Toshiba Tecra M2-S530 Toshiba Tecra M2-S539 Toshiba Tecra M2-S5392 Toshiba Tecra M2-S630 Toshiba Tecra M2-S730 Toshiba Tecra M2-S7302ST Toshiba Tecra M2V Toshiba Tecra M2V series Toshiba Tecra M2V-S310 Toshiba Tecra M2V-S330 Toshiba Tecra M2V-S3302ST Toshiba Tecra M3 Toshiba Tecra M3 series Toshiba Tecra M3-S212TD Toshiba Tecra M3-S311 Toshiba Tecra M3-S331 Toshiba Tecra S3 series Tripp Lite Tecra M2V Trogon PA3356U-1BAS Trogon PA3356U-1BRS Trogon PA3356U-2BRS Trogon PA3357U-1BRL Trogon 758