HP Pavilion dv7-4272us Original 9-Cell [High-Capacity] OEM Battery with Tech Rover&trade; USB card reader Genuine battery with Tech Rover branded item Tech Rover&trade; Quality product with 30-DAY Worry-Free Return Policy Brand New Battery, 6600 - 7800 mAh, Effective Capacity Get the peace of mind from a genuine product 9-Cell [Extended-Capacity] Battery *Comfortable fit: A natural and comfortable angle elevates your notebook for easier typing. Improved wrist posture promotes more relaxed working conditions and also for better heat dissipation