HP also has these same model names that are G1, G2. These are different laptops and use different batteries.

We use the highest quality lithium-ion battery cell technology in our batteries. The superior Samsung cells and Texas Instruments components last longer, charge faster, and weigh less than cheaper, lower quality batteries.

Each battery is tested, inspected and backed by a full 2 Year warranty. We provide a 30 day money back guarantee if you are not completely satisfied.