The Halo Ultrapack 20,000 MAH Battery is a versatile power solution for all USB devices. With a high capacity of 20,000 MAH, this battery pack is designed to provide long-lasting power for a variety of devices. The USB type ensures compatibility with a wide range of devices, making it a convenient and reliable choice for on-the-go use. The Halo brand guarantees quality and performance, making this battery pack a must-have for anyone in need of a portable power source.