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: 6 cells Replacement for TOSHIBA Satellite C850-101, Satellite C850D, Satellite C855, Satellite C855D,Compatible Part Numbers: PA5027U-1BRS, PABAS263 : Electronics