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By certification 
1. Product name: power bank (power charger)
2. Battery type: lithium battery
3. Capacity: 4000mAh
4. Input: 5V
5. Output: 5V2A
6. Charging speed: 1000mA/h for cellphones
7. Input charging time: 3-4h (charge for more than 1 time for iPhone)
8. Input interface: Micro
9. Output interface: USB
10. Indcator:4 LED lights
11. Cycle life: ≥500 times
12. Safety function: protection from over-charge, over-discharge, over-current and shortcircuit etc.
13.Application: for iPhone, iPod, Smart Phones, Digital Camera, MP3,MP4,PSP,NDS etc.
14. Ambient:
1). Working Temperature: -10°C~45°C Relative Humidity: 45~75%RH
2). Storage Temperature: -5°C~30°C Relative Humidity:45~75%RH
15.Other Features: Smart appearance, smart in design, LED light torch function
16. Product Color: Black/Red/Pink/Khaki
17. Product Size: 123*72*7.8mm
18. Product net weight: 100g
19.Accessory: 1 USB cable,1 pcs protection bag
2. Battery type: lithium battery
3. Capacity: 4000mAh
4. Input: 5V
5. Output: 5V2A
6. Charging speed: 1000mA/h for cellphones
7. Input charging time: 3-4h (charge for more than 1 time for iPhone)
8. Input interface: Micro
9. Output interface: USB
10. Indcator:4 LED lights
11. Cycle life: ≥500 times
12. Safety function: protection from over-charge, over-discharge, over-current and shortcircuit etc.
13.Application: for iPhone, iPod, Smart Phones, Digital Camera, MP3,MP4,PSP,NDS etc.
14. Ambient:
1). Working Temperature: -10°C~45°C Relative Humidity: 45~75%RH
2). Storage Temperature: -5°C~30°C Relative Humidity:45~75%RH
15.Other Features: Smart appearance, smart in design, LED light torch function
16. Product Color: Black/Red/Pink/Khaki
17. Product Size: 123*72*7.8mm
18. Product net weight: 100g
19.Accessory: 1 USB cable,1 pcs protection bag