13W Solar Battery Charger – Reliable & Portable Power Solution
High-efficiency monocrystalline solar panel ensures maximum energy conversion (up to 22%). Durable ETFE material enhances weather resistance against UV, rain, and snow. Built-in intelligent PWM controller prevents overcharging, reverse current, and short circuits. Compatible with 12V car, motorcycle, boat, RV, and trailer batteries. Compact & lightweight design with reinforced mounting holes for easy installation. Ideal for off-grid adventures, emergency power backup, and long-term vehicle maintenance. Waterproof (IP65) and corrosion-resistant for marine or harsh environments. Includes alligator clips, O-rings, and suction cups for versatile attachment. Direct sunlight or low-light operation—no wiring or external power required. Maintains battery health during storage or seasonal downtime. Global wholesale pricing—bulk orders available. Unbeatable value for reliable solar charging.