The HP L32656-005 RE03XL Battery is specifically designed for HP ProBook laptops, including models 450 G6, 450 G7, 440 G6, and 430 G6. This Li-Ion battery has a capacity of 3900mAh and is compatible with the ProBook 455R G6 model. It comes with a voltage of 11.55V and features three battery cells. This product is a genuine HP battery, providing reliable performance for your laptop. It is important to note that this battery may not be compatible with all HP ProBook models, so be sure to check your laptop's specific requirements before purchasing.