Description HP ProBook 640 G2 CI03XL Battery Get longer battery life with a new HP ProBook 640 G2 battery. This ProBook 640 G2 battery is compatible with select ProBook 640 G2, 645 G2 G50 G2, 655 G2 models. This HP ProBook 640 G2 battery is built with the highest quality cells and components on the market. This ProBook 640 G2 battery is rated 11.4 volts, 48Whr and 4210 mAh. The higher the mAh rating, the longer your battery will run before it needs to be recharged again. There are no compatibility issues if your existing battery has a lower power rating. It just means this battery will last even longer!
