Introducing the Panasonic spare battery, with a capacity of 6500 mAh, specifically designed to fit the TOUGHBOOK 55. This high-quality, reliable battery has a weight of only 0.45kg, making it easy to carry and use on the go. Manufactured by Panasonic and identified by the original art number FZ-VZSU1HU, this spare battery ensures long-lasting power for your device. Get the most out of your TOUGHBOOK 55 with this top-notch spare battery.