TPE High Performance 13000mAh Replacement Laptop Battery for Apple MacBook Pro 17-Inch A1309 A1297 (only for Early-2009 Mid-2009 Mid-2010 Version) Aluminum Unibody plus Two Free Screwdrivers Battery type: Li-Polymer; Capacity: 13000mAh/95Wh; Voltage: 7.2V. Use the keyboard shortcuts Ctrl+F or -F (Mac) to quickly crosscheck if your requested model is listed in the following Compatible Laptop Model List or Compatible Parts Number List. Up to 500 cycles service life, low self-discharge, no memory effect; Dual IC chips provide protection against short circuit, over-discharge, overcurrent. CE/FCC/RoHS certified for product safety. Grade A Cell ensures fast charging and low power consumption; Operation time for standard batteries(6-Cell, 4400mAh) can reach approx. 2 hours, but the actual operation time depends on how much electricity is required on your device. TPE only deals with brand new premium replacement batteries. We only use the highest quality cells inside the battery pack so you will have a long service life. Our inventory turns rapidly and you will always receive a freshly manufactured battery.