The RX03XL laptop battery is a high - performance battery compatible with a variety of HP laptop models.This battery has a capacity of 56.04Wh, a charge of 4646mAh, and a voltage of 11.58V, providing stable and long - lasting power support for laptops.It is compatible with multiple HP laptop series, including the EliteBook 660 G11, 640 G11, 645 G11, 630 G11, and the ProBook 465 G11, 445 G11, 440 G11, 460 G11 series, with a wide range of applications.