Get up to 5 hours of battery runtime with a new HP 636631-001 extended run 9 cell battery.

The HP 636631-001 long run battery is compatible with the HP Pavilion G-series laptops: G4, G6, G7, G42, G56, and G72. It is also compatible with the HP dv3-4000, dm4-1000, dv5-2000, dv6-3000, dv6-6000, dv7-4000 series models.

Note: This battery is not compatible with the Pavilion dv3-(1000 to 3999), Pavilion dv5-(1000 to 1999), Pavilion dv6-(1000 to 2999) or Pavilion dv7-(1000 to 3999) models.

We use the highest quality lithium-ion cells and battery components that run longer. charge faster, and weigh less than cheaper, lower quality batteries. Lower quality batteries are made with inferior cells and components that can wear out in as little as 6 months.

This 9 cell HP Pavilion G6 battery has twice the runtime as the original 6 cell and can last up to 5 hours without a charge. Because of its larger capacity, this battery will protrude slightly from the back of the laptop but will not affect functionality. This battery is rated 7800 mAh - one of the highest ratings for this class of batteries.