This battery is designed for Novatel Wireless Mifi 500 LTE, 5510, 5510L, 5580, M100, 5510, and 5510L devices. It has a capacity of 1800mAh and uses Lithium-Ion technology. The battery is compatible with Novatel Wireless brand and comes with a manufacturer warranty of 1 year. The voltage of the battery is 3.7V, and the color is black. This battery is perfect for powering your Novatel Wireless Mifi device and ensures that you have a reliable internet connection. It is compatible with various models and has a high capacity to meet your internet needs. Get this battery today and enjoy uninterrupted internet connection.