Specifications

Solar backpack with a solar panel 1Watt, power supply for mobile phone, mp3/mp4 player,suitable for outdoors activities

solar charging backpack/solar energy bag/solar backpacks:

* Adjustable Output Voltage: 16V ~ 22V for notebook computers.
*USB Output: for MP3. cell phone. MP4 and other various types of digital products.
*Easy connector tip design for instant compatibility
*Light weight and portable mobile battery pack
*High capacity and reliability
*Works with all current portable devises within a range of 5Vto19V maximum
*Built-in short-circuit. over-charge. and temperature protection
*USB output for most USB charging devices
*Rechargeable cycle up to 500 times
*LED charge indicators .lights turned off and the battery saturation