TechFuel PA3833U-1BRS Laptop Battery for Toshiba Portege R835-P70 and R835-P56X Laptops and more - Professional Performance Extended Capacity (9-cell, 6600mAh 71Wh 10.8V) Replaces Toshiba Part Numbers PA3831U-1BRS, PA3832U-1BRS, PA3833U-1BRS, PA3929U-1BRS, PA3930U-1BRS, PABAS235, PABAS236, PABAS249, PABAS250, PABAS265. This battery is larger, heavier and will protrude from the bottom of your laptop. Please check Product Details for dimensions 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 6600mAh 71WH 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