TechFuel PA3832U-1BRS, PA3931U-1BRS Laptop Battery for Toshiba Portege R700, R705-P25, R705-P35, R830, R835-P56X, R835-P70, R835-P81, R930 series - Professional (6-cell, 4400mAh 48Wh 10.8V) Replaces Toshiba Part Numbers PA3831U-1BRS, PA3832U-1BRS, PA3929U-1BRS, PA3931U-1BRS, PABAS235, PABAS249, PABAS265 Compatible with Toshiba Portege R700, R705-P25, R705-P35, R705-P42, R830, R835, R835-P50X, R835-P55X, R835-P56X, R835-P70, R835-P75, R835-P81, R835-P83, R835-P84, R835-P86, R835-ST3N01, R930, R935, R935-P326, R935-P330, R935-P332, R935-ST2N01, R935-ST2N02, Satellite R630, R830, R835-P81, R835-P83, R835-P84, R835-P86, R840, R845-S80, R845-S85, R845-ST5N01, R845-ST6N01, R845-ST6N02, R940, Dynabook R730, R731, R732, R741, Tecra R700, R840, R940 10.8V 4400mAh 48WH battery constructed with advanced circuit board technology, including thermal circuit protection for safety and stability; Grade-A cells for faster charging and efficient power consumption. Precision fit construction; CE and RoHS certification ensures quality, safety and peace-of-mind. Up to 500 charge cycles. Friendly and knowledgeable Customer Support Staff available by email or toll-free telephone. No risk 30-day money back guarantee; 1-year full replacement warranty. Built with quality components and rigorous quality control. Operating time will vary depending upon computer settings, hardware use, etc. Generally, for every 2000mAh, the battery will yield approximately 1 hour of run time.