[Upgraded Design] 10BB 180 watt 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.Multiple panels can be connected in series to a 24 / 48 volt battery..[Sturdy] 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 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..[Easy Installation] The solar panels 180 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..[Wide Solar Applications] 180 Watts Solar Panels Monocrystalline Solar Panel High-Efficiency Module PV Power Charger 12V Solar Panels for Homes Camping RV Battery Boat Caravan and Other Off-Grid Applications.