GD-8017A Specifications: Built-in 6V4AH rechargeable sealed the lead-acid battery AC 200-240V. 50/60Hz ( +/- 13 hours charging time) 9V 3.7W Solar Panel ( max input less than 7W) 3x3W + 1x2W LED Light Bulbs Charges up to 4 LED Light Bulbs at once Multiple USB mobile phone charger, built-in CCCV system to charge any mobile device DC 6V Output (can charge up to 4 items at a time)