For users in need of extra power, the GoBAT 2600 provides an innovative solution to the dreaded low battery warning. The GoBAT 2600 is a powerful backup battery for mobile devices as well as being able to charge on the go. Rechargeable lithium ion battery includes USB charging cable. Internal 2600mAh lithium-ion battery stores power for whenever users need it. The GoBAT 2600 provides one 1.5amp USB charging port. The universal USB port will charge any device at its full charging rate potential, up to 1.5amp. Users can use existing USB cables to plug into the ports on the GoBAT 2600 to begin charging devices.Four blue LED lights let users know just how much battery life is left on the GoBAT 2600. Doubles as a wall charger and charges the internal battery without additional cables. This allows users to travel without having to carry and extra wall charger.