A portable battery charger that provides instant power anytime, anywhere, Power Fort can charge almost every electronic device that utilizes a USB port to charge. These may include Apple, Android, Blackberry, Nokia and Windows phones, Tablets, portable gaming devices, and MP3 players. Its special bypass circuit design prevents damage resulting from the charging-discharging process and thus ensures a longer lifetime compared to other similar products. Power Fort features a built-in battery life LED indicator that easily notifies the user of the charge level. Power Fort incorporates world-class safeguards such as Short Circuit, Over-Charge / Discharge, and Over Temperature Protection. This gives the battery up to 500 charges while still being capable of a high charge percentage.