13 Watt Briefcase Solar Battery Charger. Very Portable Energy and Use to Charge and Power Electronics. Use in Car. Has Amorphous Solar Cells. Charger for Your Laptop, Cell Phone, Android, Iphone, Cordless Tools. Includes Adapter for 12 Volt. Amorphous solar cells for maximum output in both bright and cloudy conditions Versatile design with built-in adjustment support for optimum sun exposure Charging indicator LED Easy to transport with built-in handle Comes with male and female cigarette lighter adapters, battery terminal clamps, 12 volt accessory adapter, and battery shoe for cordless tools