Promotion!! TLC Brand 7.2V 13000mah New Replacement Laptop Battery for Apple Macbook Pro 17" A1309 A1297(Only for 2009 Version) Battery type: Li-Polymer; Capacity: 13000mAh/95Wh; Voltage: 7.2V; 100% TLC Brand new from manufacturer. Under 100% Aging Test. Up to 500 cycles 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. 24/7 email support, 12 months hassle-free warranty. Grade A Cell ensures fast charging and low power consumption; Built-in circuit protection ensures both safety and stability. Operation time for standard batteries(6-Cell, 4400mAh): Around 2 hours, the actual operation time will depend on how much electricity is required by the device and how you use it.