20W 30W Watt Solar Panel Trickle Charger 12V Battery Controller for RV Boat Car

Features: 1. Made of high quality materials, environmentally friendly, lightweight waterproof, durable and delicate. 2. Low noise, high efficiency and low failure rate. 3. As long as there is sunlight, high conversion rate can be continuous power supply. 4. Lightweight and portable, easy to carry. 5. One-key setting, digital display, automatic memory function. 6. Built-in short circuit protection, open circuit protection, reverse protection, overload protection. Specification: .

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