This is the answer to every traveller’s prayers, just plug your gadgets in and go about your normal walking around, the sun will do the rest for you. The maker even reckons that the solar vest will charge the battery up on your laptop, now that is cool by anyone’s standards. Primary Function: Solar Battery + Charger Vest for Portable Electronics Solar Charger Specifications: Four Solar Panels Capacity: 8,800mAh Solar panel: 6W Voltage: 3.7V Inputs