... of two devices.2. 500 times charging cycles3.Lightweight and user friendly design - Colored LED clearly indicates battery capacity at ... with the latest, safest, and environmental-friendly Lithium Polymer battery.5.Over-power, over-current, over-voltage, and short ... supports other digital devices such as moblie phones, cameras, PDA, MP3, MP4, PMP, PSP etc Portable External Battery Pack Mobile Power ...