2013 best selling dual usb output 3000mah external battery charger

1.Model Number:DEL-030B2

2.Capacity:3000mAh

3.Input:5V 1A

4.Output:5V 1A;5V 2A

5.Internal battery type:high quality li-polymer battery

6.Charing time:3-4 hours

7.Size:83*84*21mm

8.Net Weight:95g

10.Lifecycle:over 500 times

11.Accessories:one usb cable line,one retail package,optional connectors(5pcs connectors or 3pcs connectors in one)

12.High safety:over-charge,over-discharge,over-current,short circuit protection function