Superior Efficiency: Featuring premium monocrystalline cells with ≥23% conversion efficiency, this 2pcs * 100W mono solar panel converts more sunlight into usable energy, ensuring efficient power generation for steady power output and fast devices charging Easy Connection: Designed with a built-in MC4 cable for quick, safe connection, this monocrystalline PV module easily connects to controller and battery, ensuring stable and consistent power output (Only the solar panel is included; controller, battery and alligator clip purchase separately) Enhanced Durability: Built to last with tempered glass and anti-corrosion aluminum frame, our high-efficiency solar panel features IP65 protection rating and operates reliably from −4°F to 149°F, delivering long-lasting performance in outdoor environments Wide Applications: Ideal for flat installation on rooftops, farms, yards, RVs, boats, or flat-roof vehicles and off-grid cabins, this framed solar panel provides consistent, reliable power for home appliances, yard lighting, gate openers, RV equipment, etc Friendly Reminder: Mounting brackets are not included. If you want to secure it for stable, long-term power supply, please purchase proper mounting brackets separately and reinforce it firmly yourself to prevent it from being blown away in strong winds