【High-Efficiency】- 100W monocrystalline solar panel with a high conversion efficiency is up to 21.8%. Bypass diodes can ensure excellent performance in low-light environments. Perfect for off-grid 12 volt battery charging system and a variety of DC applications..【Long Lifespan】- 100 Watt solar panels use advanced encapsulation material with multi-layered sheet laminations to enhance cell performance and provide a long service life. Guaranteed positive output tolerance (0-3%). 100% EL testing for all solar modules, guaranteed no hot spots..【Durable】- HQST solar panel withstands high wind (2400Pa) and snow load (5400Pa). Corrosion-resistant aluminum frame and tempered glass are for extended outdoor use, allowing the solar panels to last for decades..【Easy Installation】- Solar panels 100w come with junction boxes and MC4 connectors, which are easy to install. The pre-drilled holes are for fast mounting and securing. Compatible with different mounting systems such as Z-brackets, pole mounts, and tilt mounts. For the good partner Z bracket, please search B06Y5QX9VX..【What You Will Get】- 1 x solar panel, 1 x user manual, 3-year warranty. Each of our solar panels is testing inspected before leaving the factory to ensure flawlessness. Any questions, please feel free to contact us.