Amazon.com: DR. BATTERY PA3787U-1BRS PA3788U-1BRS PA3786U-1BRS Battery Compatible with Satellite Pro S500 S750 Series Tecra A11 M11 S11 Series PABAS221 PABAS222 PABAS223 [10.8V/4400mAh/48Wh] : Electronics
Amazon.com: DR. BATTERY PA5212U-1BRS PABAS283 Battery Compatible with Toshiba Tecra A40 A50 C40 C50 Z50 C50-B Toshiba Satellite Pro A40 A50 R40 R50[14.8V/2200mAh/32Wh] : Electronics