Harness the power of the sun with this high-efficiency Monocrystalline Silicon Solar Panel, designed for reliable and eco-friendly energy generation. Featuring a compact and sturdy case, this lightweight solar panel delivers a stable 4.2W power output with an 18V working voltage, making it ideal for a variety of low-power applications. Key Features: · High Conversion Efficiency: Ensures excellent energy output with minimal light loss, maximizing the effectiveness of solar energy capture. · Durable Monocrystalline Silicon Material: Provides a long service life and consistent performance, suitable for extended outdoor use. · Compact and Stylish Design: The sturdy, sleek case measures approximately 20x13cm (7.9x5.1in) and weighs only 112g (4oz), making it easy to carry and install in various settings. · Precise Electrical Specifications: Offers 4.2W power, 18V working voltage, 0-230mA working current, 19.2V open circuit voltage, and 300mA short circuit current for reliable and steady operation. · Wide Range of Applications: Perfect for battery charging, home lighting, low-power electrical appliances, scientific research projects, solar water pumps, and small solar power generation systems. · No Power Storage Function: Designed solely as a solar energy converter, this panel requires an external battery or storage system for energy retention. Specifications: · Material: Monocrystalline Silicon · Size: Approx. 20x13cm / 7.9x5.1in · Weight: Approx. 112g / 4oz · Power: 4.2W · Working Voltage: 18V · Working Current: 0-230mA · Open Circuit Voltage: 19.2V · Short Circuit Current: 300mA · Characteristic: No Power Storage Function Package Includes: · 1 x Monocrystalline Silicon Solar Panel This solar panel combines efficiency, durability, and portability, making it an excellent choice for sustainable energy projects and various low-power outdoor and indoor applications.