Power bank star
Battery capacity: 4000 mAh
Battery Type: Grade A polymer battery
Recycling life: ≥500 times
Size:115*58*13mm
Net Weight: 110g/pc
Input: 5V 1000mA
Output:  5V 1000mA
Charging Time:4-5 hours;
Colours available: black,white,red,green,blue etc
Working Temperature: -10.C to + 55.C 
Compatibility: Smart Mobile phones, DC, MP3,MP4, tablet PC,GPS,etc