This product is the Universal USB battery pack. Applicable for all digital devices charged by USB port, such as iPod, iPhone, Mobile phone, touch phone, MP3/MP4, PSP, NDS, GPS, PMP, DC/DV, etc.

Product Feature:

Simple operation, one charger to power all;

Easily fit into a pants pocket or a small bag that carries your other digital devices;

Well performance in holding charge when not in use;

Our battery charge will be well held rather than get pretty drained quickly;

Light weight and nice looking.

Technic Parameter:
Capacity: 4000mAh/14.8wh
Output Voltage: 8.4V; 5.5V
Input Voltage: 5V
Output Current: 650mAh
Cycle type: Lithium polymer
Dimension: 107mm*57mm*16mm
Weight: 140g
Cycle Life: ≥300 times
Charge Time: 5hours