Callsun 15W Solar Panel Maintainer, 2PCS 7.5W 12V Waterproof Solar Panel Charger with Smart Controller,Callsun Low-Iron Tempered Glass Solar Panel Kit for 12 Volt SLA/MF LifePO4 Battery - CS-DB7.5W2P

• 【Full Protection for Your Safety】7.5W Intelligent Solar Battery Trickle Maintainer has 6 kinds of protection functions: With reverse charging protection, overcharge protection, overvoltage protection, overcurrent protection, short circuit protection, over temperature protection and other safety functions. Comprehensively protect the battery, increase the service life and make charging safer. 【Wide Range of Compatibility】The solar powered battery charger is suitable for most common 12V rechargeable batteries on the market, such as LiFePO₄, AGM, GEL and so on. It can charge and maintain 12V batteries in your trailers, tractors, trucks, bicycles, motorcycles and boats. 【Durable and Sturdy】Using 3.2mm iron tempered glass and corrosion-resistant aluminum frame, IP68 waterproof material makes the solar panel waterproof and rust-proof, which can withstand extreme weather such as wind, snow and rain. 【Smart Solar Controller】This 7.5w 12v solar battery charger uses smart chip to track the power in the solar panel in real time to maximize the effectiveness of the solar panel. At least 20%-30% higher efficiency (theoretically 50% higher) compared to traditional controllers. 【360°Adjustable Mount】The 7.5w solar panel kit comes with 360°adjustable bracket, which can be easily mounted on the wall, roof, boat. The four corners of the solar panel kit also have corner protectors, which can prevent the solar panel from being damaged in case of accidental fall.