This 8000mAh Power Bank with Solar Panel is the perfect power solution to charge your LG Optimus G ATT when a power outlet is out of range. It is built in two universal USB ports for charging your power hungry device. It also has a Micro USB port for charging the Power Bank. The Power Bank is built in an LCD Status display that indicates the remaining power for your LG Optimus G ATT. The Power Bank is built in a Solar Panel, leaving the Power Bank in the sunlight will charge the internal battery pack.