2Pack 300 Watt Solar Panel Upgraded 18BB Solar Cells 24.6% High Efficiency Monocrystalline 12V/24V PV Module for Home Rooftop RV Camper Marine Boat Off Grid System All Black

- 18BB Cell Design：More Busbar, More Power. Our 300 watt solar panel adopts 18 Bus-bars technology.Minimize current and resistance losses and increase conversion efficiency by at least 5% - 24.6% High Efficiency:Our 300W solar panel is made of A+ grade N-Type solar cells with a maximum conversion rate of up to 24.6%. Higher power output per unit area and allowing for efficient energy utilization and cost reduction - Sturdy and dependable: Our solar panels feature IP68 junction boxes, corrosion-resistant aluminum frames, and are able to withstand wind loads of up to 2400 Pa and snow loads of up to 5400 Pa. With excellent waterproof function - Customer Satisfied Service:Each panel is repeatedly tested and inspected before production and packaging to ensure reliable quality. Our professional team provides you with 24/7 service - Note:The output power of the solar panel will be affected by the test temperature, light intensity, mounting angle and so on. The surface of light and solar panel are perpendicular to each other, the best working environment is at 25 temperature