You can use a computer USB 2.0 port to charge the battery pack. It will take 10-12 hours to charge.
Use USB wall charger and charging will take 6-8 hours. Use the built in solar panel to charge the battery in 10 to 12 hours using bright-unfiltered sunlight. There are two USB power output ports. One USB port is rated at 5V at 2.1 Amps and the other is rated at 5 V and 1 Amp. The two USB ports are covered with silicone plugs to protect them from dust and dirt.There is an ON switch to allow you to check the existing charged battery capacity available. You must also press the on button to start the charging process of your device.
It has a built in USB charging cable to charge battery pack. I has a built in Micro USB output charging cable rated at 5 V and 1 Amp. It has a built in Solar charging panel the will charge the battery at 5.5 V at 620 mA.The battery pack comes with an instruction manual. 7 hrs (by 5V/1A travel charger). 10-12 hrs (via solar panel, under full sunlight condition). The battery does not come with an AC wall charger. Use the built in USB charging tip for charging the battery.
The item "Sale Ultra High Capacity Backup Battery Solar Charger Power Bank Dual Panel USB" is in sale since Thursday, May 08, 2014. This item is in the category "Home & Garden\Home Improvement\Electrical & Solar\Alternative & Solar Energy\Solar Panels".The seller is "monarchmerchant" and is located in Thornhill, Ontario. This item can be shipped worldwide.