CWK&reg; New Replacement Laptop Notebook Battery for Toshiba Tecra M4 M7 TE2000 TE2100 PA3176U-1BAS PA3191-2BAS Toshiba Portege M200 M205 M400 M405 M700 M750 M780 Tablet PC Toshiba Satellite Pro 6000 6050 6100 R10 R20 R25 PA3084U-1BAS Toshiba Portege M200 M400 M750 TOSHIBA Satellite R15 R20 R25 Tecra M4 M7 Toshiba Portege M100 M200 M205 M400 M405 Toshiba PA3191U-5BAS PA3191U-5BRS Toshiba Satellite R25-S3503 PA3191U-5BRS Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!