Battery compatible with CA06XL, HSTNN-IB4W, HSTNN-LB4X. High-quality Li-ion replacement battery suitable for HP ProBook 640, ProBook 640 G1, ProBook 645, ProBook 650 G1, ProBook 655, and other compatible devices. A detailed list of compatible device and battery designations can be found further down in the product description. Our replacement battery has a voltage of 10.8 volts and a capacity of 4400 mAh. Our replacement battery for HP ProBook 640, ProBook 640 G1, ProBook 645, ProBook 650 G1, ProBook 655 has an energy content that provides sufficient power for a satisfactory battery life, comparable to the original battery. Our replacement battery is compatible with the original battery types CA06XL, HSTNN-IB4W, HSTNN-LB4X. Thanks to its chemical system, the Li-ion replacement battery has no memory effect and can be recharged at any time without the risk of capacity loss. The dimensions of our battery are (currently not available) mm, thus our replacement battery fully replaces the original battery. Our replacement battery for HP ProBook 640, ProBook 640 G1, ProBook 645, ProBook 650 G1, ProBook 655 can be easily charged with the existing charger or charging station. To provide you with not only high quality but also a high level of safety, our replacement battery is protected against overcharging and overheating, ensuring that you are completely safe when handling the battery and that there are no complications during the charging process. Our replacement battery is suitable for HP ProBook 640, ProBook 640 G1, ProBook 645, ProBook 650 G1, ProBook 655 and replaces the original battery types CA06XL, HSTNN-IB4W, HSTNN-LB4X.