CWK High Performance New Battery for Toshiba Satellite Pro L850 Series PA5024U-1BRS PA5027U-1BRS PABAS259 PA5023U-1BRS Laptop Notebook Netbook Computer PC - [11.1 V 5200mAh (4400mAh Compatible) 6 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!