Feature: 1. Basic Parameter: The size of this portable solar panel is 16.2 x 12.3cm / 6.38 x 4.84in, with 3W maximum power, 5V working voltage. 2. High Efficiency Output: Solar panel battery charger has high conversion rate and efficient output, reliable to use, no power storage function. 3. DIY Solar Panel: Efficient solar panel provides enough power for DIY, perfect prop for DIY design, the perfect device for science projects. 4. Application: Solar panel is used for solar lawn lamps, solar wall lamps, solar crafts, solar radios, solar flashlights, solarphone chargers, etc. 5. Multi Uses: Solar battery charger can also be applied to household low power appliances and DIY toys power supply, etc. Specification: Item Type: Solar Panel Material: Polysilicon Size: Approx. 16.2 x 12.3cm / 6.38 x 4.84in Maximum Power: 3W Working Voltage: 5V Application: Solar panel is used for solar lawn lamps, solar wall lamps, solar crafts, solar toys, solar radios, solar flashlights, solar cell phone chargers, solar small water pumps, solar home office power supplies and portable mobile power systems. Charger: AA (supporting charging specification) (not included battery) Solar Panel: Without power storage function Charging: Three charging positionsWeight: Approx. 127g / 4.5oz. Package List: 1 x Solar Panel1 x Charger