... safety protection device.1*5V 1A,for low battery emergency use. Specification: * Cell type:Lithium Ion Battery * Capacity: 2000mAh* ... of communicate and digital devices like mobiles, iPhone,iPad,iPod,PDA,MP3,MP4,PSP,GPS navigator etc.3. Use digital control chipset, ... hightly efficient 4. Use high capacity lithium ion batteries ,more safe ...