20W Solar Battery Charger

【High Conversion Rate】This 20W solar panel, featuring A+ monocrystalline solar cells, achieves an outstanding battery efficiency of 21%-30%. Designed for charging and maintaining 12V rechargeable batteries such as LiFePO₄, lithium-ion, AGM, SLA, GEL, EFB, MF, etc., it is suitable for maintaining the battery charge of trailers, tractors, trucks, boats, motorcycles, RVs, cars, lawnmowers, water pumps, as well as devices like garage door openers and electronic fences.

【Durable Construction】With a low-iron tempered glass surface and corrosion-resistant aluminum frame, this solar panel is 100% waterproof and rustproof, ensuring an extended lifespan of up to 25 years. Designed to withstand various harsh weather conditions, including sandstorms, strong winds, thunderstorms, blizzards, and hail, it can endure wind pressure of up to 2400Pa and snow loads of 5400Pa.

【Smart Charging Controller】Equipped with an upgraded 8A controller, the charging efficiency is 20%-30% higher than other controllers on the market. The intelligent three-stage charging design effectively prevents battery overcharging, overvoltage, and short circuits. It operates without requiring battery power, and the two indicator lights on the controller provide a clear understanding of the battery's charging status.

【Easy Installation and Adjustable Angle】Equipped with a 360-degree adjustable mounting bracket, this solar panel helps ensure it always faces the sun at the optimal angle. Installing the bracket on the solar panel is effortless, with pre-drilled mounting holes and the necessary screws provided. All cable connections are plug-and-play.

Why do We Need a Solar Trickle Charger or Battery Maintainer?

1. Emergency Backup Power: In natural disasters, power outages, or other emergency situations, solar trickle chargers can serve as emergency backup power sources. By absorbing sunlight and converting it into electricity, these chargers can provide energy for small electronic devices like phones and flashlights, ensuring communication and lighting tools are available during critical times.

2. Environmental Sustainability and Low-Carbon Living: As solar energy is a clean and green energy source, the use of solar trickle chargers contributes to reducing the demand for traditional energy sources, mitigating environmental pollution and greenhouse gas emissions. This aligns with the urgent need for sustainable development and low-carbon living in today's society.

3. Portability and Convenience: Solar trickle chargers are typically designed to be lightweight and compact, making them easy to carry. This allows people to access power conveniently during outdoor activities, camping, hiking, and other scenarios, increasing the convenience and flexibility of daily life.