SUNAPEX Solar Battery Charger Maintainer 12 Volt Waterproof Solar Panel Charger 20W Solar Trickle Charger for Car Truck Boat RV Motorcycle Marine Tractor Battery

???High Efficiency Charging??20W solar battery charger is made of more effective monocrystalline silicon material. which absorbs solar radiation heat to a greater extent. The power generated is at least 30% higher than other solar panel charger. which greatly improves the charging efficiency and speed. ???Why Choose SUNAPEX??The Frame of SUNAPEX solar panel charger is made of FR-4 epoxy board. unlike solar panels with plastic frames. this material never deform or melt even at high temperatures. No worry about the solar panels being deformed and unable to be used. ???Ungraded Intelligent Controller??With upgraded Intelligent Charger Controller and charging algorithm.SUNAPEX 12 volt solar battery charger ensures no reverse discharge. overcharge. over-voltage. or short circuit.protect your equipment and personal safety. ???Easy to Install and Use??Lightweight and compact design makes it easy to install and use.It comes with a quick SAE connection and 3 wiring ways (Red is positive. Black is negative).widely used in 12V LiFePO4. Lithium batteries and DC charging equipment.Perfect 12 volt solar battery maintainer for cars. boats. RV.trailers. ATVs. and more. ???Charge Visualization??SUNAPEX 20 watt solar trickle charger has three-color LED indicators that help visually monitor the working status. Solid blue indicates receiving sunlight and the output normal. Solid red indicates connected to the battery and charging. Solid green indicates the battery is full. No lights indicate a short circuit occurred. ???Service and Warranty??The quality of the SUNAPEX solar trickle charger is guaranteed by CE/ROHS certification and provided lifetime technical support and 12 -month warranty. Please feel free to contact us if you have any questions or doubts. we will respond within 24 hours.IP67 Waterproof