The 3600mAh 42WH WDXOR Laptop Battery operates at a high voltage of 11.4V and is designed for use in laptops. This lithium polymer battery, included in the package, provides optimal performance and long-lasting power for your devices. With a compact size of 8.62 x 4.84 x 0.94 inches and a weight of 7.8 ounces, this battery is convenient to use and transport, making it a reliable choice for those in need of a powerful laptop accessory.