The 300W Solar Panel is designed for portable outdoor use, providing efficient charging capabilities i for camping, hiking, and emergency preparedness. With its monocrystalline silicon construction, this solar panel durability and high efficiency, boasting a module efficiency of 19.1%. Originating from Mainland China, it features four panels for enhanced charging capacity. This solar panel is customized for versatility, with CE and FCC standards, and equipped with various features such as mobile phone and computer charging capabilities, making it a reliable choice for off-grid power solutions. Specifications Specification Details Origin Mainland China Number of Panels 4 Flexible Solar Panel Yes Foldable Solar Panel No Type Solar Panel Module Efficiency 19.1% Size 280 x 280 x 2.5 mm Material Monocrystalline Silicon Customization Yes Certification CE, FCC Key Features High Efficiency Monocrystalline silicon construction with a module efficiency of 19.1%. Provides efficient solar energy conversion for fast charging. Versatile Applications I for outdoor activities like camping and hiking. Suitable for charging mobile phones, computers, and other devices. Durable Design Made from durable materials for long-lasting performance. Withstands outdoor conditions for reliable use in various environments. Portable and Customizable Flexible panels for easy transport and setup. Customizable features include multiple charging options and compatibility with solar generators. Why Choose This Solar Panel? The 300W Solar Panel is a practical choice for individuals seeking reliable off-grid power solutions during outdoor adventures or emergencies. Its high efficiency and durable construction ensure efficient solar charging, while its versatility allows for charging various devices such as mobile phones and computers. with CE and FCC standards, this solar panel meets quality and safety requirements, making it suitable for both personal and professional applications. Please Note Ensure proper orientation and sunlight exposure for optimal charging efficiency. Regularly clean the solar panels to maintain performance. Store the solar panel in a dry place when not in use to prevent damage. Experience reliable off-grid power with the 300W Solar Panel, designed to provide efficient and versatile charging capabilities for your outdoor and emergency power needs.   modname=ckeditor   Features Equipped with a single crystal solar cell A-grade chip, it can be used for mobile phones, power banks, street lights, monitoring equipment, etc. Adopting advanced polyethylene coating technology, the surface of the battery is sealed with epoxy resin, and the color is beautiful. Lightweight and easy to carry. High conversion rate and high yield. High stability and good durability. High conversion efficiency, good output efficiency, light weight, easy to carry, and strong applicability. Anti scratch, non foaming, easy to clean.Strong resistance, able to resist different environments, with good waterproof performance. All positive and negative electrodes of batteries are made of high-quality silver paste with high welding strength and low series resistance. The 2-piece package can be used separately or in series to obtain higher current. combination is more practical. Scope of application: car batteries, cars, R, ships, airplanes, satellites, space stations, outdoor aquaculture, planting, tourism, solar street lights. Specification Solar Panel: Material: Monocrystalline Silicone Size: 28 * 28cm / 12 * 12inch Voltage: 12V Rate conversion rate: 17.8% Number of USB ports: 2 Solar Controller: Material: PVC Voltage: 16V automatic identification Rated charging current: 100A 60A 50A 40A 30A 20A 10A The highest photovoltaic voltage: 16V system＜25V/24V system＜50V USB output: 2 USB outputs, maximum 5V/2A Standby current: <10mA Working temperature: -35℃~+60℃ Size: 180 * 90 * 45mm   Controller connection steps:(the Last picture) 1. Connect the positive and negative poles of the battery , the controller will detect the battery voltage automatically ; 2. Connect the solar panel to the controller; 3. Connect the load as show , don't connect it reversely; Note: Please connect in strict accordance with the picture show, otherwise it may cause the controller short circuit; the disassembly sequence is opposite to the connection sequence.