Best External Power Bank for Smart Phone

Best External Power Bank for Smart Phone
Battery type: Lithium battery(2PCS of 18650)
Battery capacity: 4000mA
Input: DC5.0V/1.0A
Output1: DC5.0V/1.0A
Charge time: 4-5 hours
Lifespan(Cycle life): ≥ 500 times
Input interface: Micro USB
Output interface: USB 2.0
Battery level indicator light: Yes
Safety function
1: Support intelligent charging; Automatic identification when loading
2: Multiple protection circuit scheme (over-charge, over-discharge, over-current, over-voltage, short-circuit, overload, etc. )
Additional functions: Headlamp with LED
Applications: Mobile phone, iPad, iPod, camera, video camera, game console, MP3, MP4, PSP, PDA, etc.
Transfer efficiency: 90%
Operating temperature: -10-40
Storage temperature: -20-50
Dimention: 46X99X29(mm)
Weight: Goods in kind prevail
Shell: Plastic case( or custom-made)
Color: Light blue(or custom-made)
Package: Custom-made
Why choose us?
1. Professional manufacturer with the experience of 9 years for producing & 5 years for exporting, etc.
2. Factory direct sales with competitive price but high quality
3. Many certifications, e. G.: UL/CE/FCC/CB/RoHS/NSAI/MSDS/IOS9001: 2008, etc.
4. Quick response
5. Small MOQ
6. Strong OEM/ODM ability
7.10 minutes to airport
8. Best service
If you are interested in Senva`s products, welcome to contact us for more details!
Contact name: Cindy Lee