The CF-54 Panasonic Original Battery Pack CF-VZSU0PW is a high-quality lithium-ion battery designed specifically for Panasonic Toughbook laptops. With a battery capacity of 4080 mAh and a voltage of 11.1V, this black battery pack is compatible with various Panasonic models such as the 54 Prime, Gloved Multi Touch, Performance, Toughbook 54, and Lite. It provides reliable power for extended use, making it an essential accessory for professionals and students who require long-lasting battery life for their Panasonic laptops. As is simple testing just charged and AS IS