H-2200Mobile phone emergency chargerEmergency Battery for Portable DVD, iPod, Digital Camera and Mobile Phone 1.Emergency power for most mobile phones and Blackberry2.Emergency power for digital cameras3.Emergency power for iPod/MP3/MP4/SONY PSP/PMP4.Emergency power for Personal Data Assistance (PDA)5. Capacity: 2200mAh, around three times of a normal cell phone battery;