Outecc New Toshiba Satellite C850 Rechargeable Laptop Battery PA5024U-1BRS PABAS260 PABAS262 PABAS263 PABAS271 PABAS272 C855 P870 10.8V/ 11.1V 4400mah 6 cell New replacemnt One Year Warranty PA5109U-1BRS PA5110U-1BRS PA5023U-1BRS PA5024U-1BRS PA5025U-1BRS PA5026U-1BRS PA5027U-1BRS PABAS259 PABAS260 PABAS261 PABAS262 PABAS266 , they are compatible with each other