The 11,200mAh EXECUTIVE USB POWER BANK is a Li-ion Power Bank that will simultaneously charge your USB devices (iPhone, Android phone, iPad, tablet PC, camera, iPod,MP3/4, games, PDA, PSP, GPS, etc.) multiple times. The Power Banks intelligent design correctly interprets and adjusts for your devices' voltage & current requirements and has built-in short circuit protection. The Power Bank can be recharged over 500+ times and features a 6 month shelf life. The blue backlit digital LCD display indicates the power bank’s % of charge, the USB ports in use, and the power requirements for your device. Automatic shutoff when power bank is fully charged. Pad printed with your 1-color artwork on aluminum case. For a more permanent imprint Power Bank can be laser-etched for an additional $2.50 each plus a $50 etch set up charge.