Del-030b2 Dual USB External Battery Charger

We are offering hot selling dual usb 3000man external battery charger.
1.capacity:3000mah
2.battery type:high quality li-polymer battery
3.lifecycle:over 500 times
4.dual usb can charge two mobile phones at the same time
description:
2014 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.