Product Summary: The Panasonic FZ-VZSUN120U Long Life Battery is a high-capacity battery pack designed for use with Toughpad FZ-F1 and FZ-N1 mobile phones. With a battery capacity of 6400mAh and a voltage of 3.8V, this battery ensures long-lasting power to keep your device running when you need it the most. It is a genuine Panasonic accessory, compatible with Toughpad FZ-F1 and FZ-N1 models, and comes in a sleek black color.