... ,over-charging and over-discharging Application:DC 5V digital devices-mobile phone, PSP, iPhone, iPad,MID Compatible Models:HTCEVO 3D / Sensation / Wildfire / Wildfire S / Droid ... monitoring system Fit for:iPhone,iPad,iPod,Mobile phones,Digital Camera,MP3,MP4,PSP,NDS etc.Compatible with all USB interface charging equipments. Product Image: 4800mAH Universal Portable Power Bank for iPhone