Solar Powerport Mini Charger Keeps your cell phone, mp3 player and other handheld devices powered on the go 2100mAh Lithium-Polymer battery gives you hours of extra power Sleek design with scratch-resistant black rubberized finish - fits easily in your backpack, laptop case or handbag Versatile and simple to recharge - using any AC wall adapter, 12V DC car adapter or laptop with USB output; or slow charge in direct sunlight Integrated Polycrystalline solar panel provides enough power for a 5-10 minute mobile phone call with a 1 hour solar charge