Universal Portable Solar Charger, Color : Black, Blue, Silver, Red, Purple

We are offering 30000mah Dual-usb Universal Portable Solar Charger External Battery Backup .
* all kinds of electronic devices and usb-charged android smart phones;
* all kinds of usb-charged tablets;
* more other 5v usb-charged devices.
specification:
* solar plate current:1.5w
* capacity: 30000mah capability, powerful with long operation time.
* input: dc 5v1a(max)
* output: 5v a=1a, b=2.1a
* colors : black, silver, red, blue, gold, purple available
* important tip: for best results we recommend fully charging your power bank using a usb outlet first.