Features: 1. The solar panel is made of high-quality polysilicon material, which is resistant to high pressure and temperature, not easy to corrode, waterproof and sunscreen. 2. A device that absorbs sunlight and converts it directly or indirectly into electrical energy through photoelectric or photochemical effects. 3. With AA charger (batteries not included), suitable for small home projects, science projects and electronics. 4. Widely used in solar toys, solar lamps, solar handicrafts, miniature solar water pumps and charging small DC batteries. 5. High photoelectric conversion rate, keep direct sunlight, increase the contact area with the sun, easy to install. Specifications: Item Type: Solar Panel Material: Polycrystalline Silicon Weight: approx. 137g / 4. 8oz Product Size: Approx. 13. 5x11cm/5. 3x4. 3inch Battery parameters: 3 AA batteries (battery not included) Working voltage: ≥6V Open circuit voltage: ≥6.5V Working current: ≥330mA Short circuit current: ≥400mA Solar panel power: 2W Package list: 1 x Solar panel 1 x Battery charger (battery not included) Notes: 1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Features 【Materials】: The solar panels are made of High Quality polysilicon materials, which are resistant to pressure and temperature, not easy to corrode, and are waterproof and sunproof. 【Function】: A devicethat absorbs sunlight and converts it directly or indirectly into electrical energy through photoelectric or photochemical effects. 【Accessories Included】: Solar panel comes with AA charger (battery not included), suitable for small home projects, science projects and electronics. 【Application Wide】: Battery Charger widely used in solar toys, solar lamps, solar handicrafts, miniature solar water pumps and small DC battery charging. 【Easy to use】: High photoelectric conversion rate, keep the sun in direct sunlight, increase the contact area with the sun, and easy to install.