ePathDirect&reg; 5000mAh External Backup Battery Charger Adapter with DuaL USB Ports Specially designed for iPad / iPad 2, all iPhone versions, all iPod & iPod Touch versions, Motorola / HTC Android phones, Blackberry, Samsung Galaxy, Sony PSP & many others. High capacity 5000mAh, dual USB ports to charge 2 devices at the same time. Built-in proprietary software to control and regulate temperature, voltage and current. Li-polymer battery cell with high safety and stability.