SKYVAST 10.95V 95Wh High Performance Laptop Battery for Apple MacBook Pro 17" Core i7 A1383 A1297 (Only for 2011 Version) MC725LL/A MD311LL/A 020-7149-A10 3ICP90/44/89-2 Type: Li-Polymer, Voltage: 10.95V, Capacity: 95Wh (with Free Screwdrivers) Fit with Apple MacBook Pro 17" Core i7 A1383 A1297 (Only for 2011 Version) Operation time: Around 3.5 hours, 500+ recharge cycles over ABS+PC materials: good gloss, smooth feel, anti-flammability, wear-resisting Warranty: 12 Months warranty, 30 days money return guarantee.