This is a brand new HP KK04XL battery for the HP Pro Tablet X2 612 g1 model.
This KK04XL battery uses the highest quality Lithium-ion cells on the market from Samsung. This HP KK04XL battery is rated 7.4 volts and 3820 mAh.
All our products carry a full 2 Year warranty and every battery is charged and tested before it ships.
We provide a 30 day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery.