[HIGH EFFICIENCY] WERCHTAY 100 watt solar panel is made of 10BB 182mm high quality A-grade cells. The conversion rate is as high as 23%, compared with 9BB solar panel, it has higher conversion efficiency and longer service life. Product size: 32.3 x 22.8 x 1.2 inch.[UPGRADED DESIGN] Monocrystalline solar panels use the latest half-cell technology. Compared with ordinary solar panels, half-cut cell technology can reduce power loss, lower the temperature of solar panels, and reduce the impact of shading on performance. The WERCHTAY 100w solar panel is perfect for charging 12 volt batteries. Multiple panels can be connected in series to a 24 / 48 volt battery..[SAFETY] 12V monocrystalline solar panel can withstand high winds (2400pa) and snow loads (5400pa). The outdoor solar panel is certified ROHS, CE,EL. It can help your device receive the most effective sunlight safely..[BUILT to LAST] Corrosion-resistant aluminum frame of this 100 watt solar panel 12v provides extended outdoor use that ensures the panel can last for decades. Both the IP67 junction box and IP67 MC-4 connectors have excellent waterproof function. Allows you to use it outdoors with confidence..[EASY to INSTALL] The solar panels 100 watt has a built-in MC-4 connector, which can easily insert and pull out the solar controller. The pre-drilled hole on the back of the panel helps install it in your vehicle, RV or other place you need it. Each of our solar panels is tested and inspected before leaving the factory to ensure flawlessness. If you have any questions, please feel free to contact us.