4000mah Li-polymer solar power bank portable charger

  4000mah Li-polymer solar power bank portable charger  

  Advantages 

1).Our company has our own factory,so we can get the products directly from our factory 

2).100% real capacity : we make our serious commitment hereby that we will never mark the fake capacity on our cell ,and never use the second cell on our product. 

3). High safety performance : we will conduct full inspection our product by matching our product to the device ,we use the brand new battery cell  ,and there are 5 protection layers with our product by installing BMS system  

4). High cycle life performance :more than 500 times  

5).Multiple colors are available 

6.)Low self discharge,no electric leakage,high hopwer retention rate 

7).Can be used for many kinds of digital devices,such as iphone,ipad,ipod,tablet pc,smartphones , digital cameras etc.

8).With solar charging function. can be recharged directly through sunlight.

9).LED Charging indicator/ Power indicator display , elegant fashion design,compact and portable 

10) Two charging ports allowing you to charge two different electronics at the same time       

Charging methods 

Method 1. 
When charging for this solar power bank by electric supply (AC100V-240V), the indicator light turns green. And it takes about 8 hours to recharge fully the battery. When battery is full, the indicator light goes out.

Method 2.
Putting the solar power bank toward the sun, the solar panel begins to recharge the lithium battery, and the green indicator turns on.

   Product image