Every vehicle owner knows the frustration of finding a dead battery after sitting unused for weeks. Whether you're storing your boat for the winter, leaving your RV parked at the campsite, or simply need to maintain your classic car's battery, this solar panel kit provides the perfect solution.
This 20W solar panel features monocrystalline A+ cells with an impressive 21-30% conversion efficiency, ensuring maximum power generation even on cloudy days. The upgraded 8A smart controller operates 20-30% more efficiently than standard controllers, using an intelligent three-stage charging process that protects your batteries from overcharging, over-voltage, and short circuits. You'll always know when it's working thanks to the clear indicator lights on the controller.
Engineered for durability, this solar panel combines low-iron tempered glass with a corrosion-resistant aluminum frame to create a 100% waterproof and rustproof system. It's built to handle extreme weather conditions from sandstorms to blizzards, withstanding up to 2400Pa wind pressure and 5400Pa snow load. This means you can install it and forget about it for years to come.
The kit works with all types of 12V rechargeable batteries including LiFePO₄, Lithium Ion, AGM, SLA, GEL, EFB, and MF batteries. It's perfect for maintaining batteries in trailers, tractors, trucks, motorcycles, lawn mowers, water pumps, gate openers, and electric fences. The included 360-degree adjustable mounting bracket ensures optimal sun positioning, and installation is straightforward with pre-drilled holes and plug-and-play cable connections.
Everything you need is included in the box: one 20W solar panel, one smart controller, one adjustable mounting bracket, alligator clips, O-rings, and a full set of mounting hardware. SOLPERK stands behind their product with a one-year warranty and lifetime technical support, plus 24/7 customer service that responds within one day. Invest in reliable battery maintenance that works automatically, saving you time and preventing the inconvenience of dead batteries when you need them most.
