20W 12V Solar Panel Battery Charger, Smart Controller, IP67

12V solar battery charger keeps your vehicle battery topped up using sunlight, reducing dead-battery downtime in storage or between rides. This 20W monocrystalline panel uses a high-transparency ETFE surface for efficient energy conversion and steady trickle charging. A built-in smart controller manages charging automatically with multi-layer electrical protections. Compact and portable, it’s built for outdoor use on RVs, cars, motorcycles, boats, vans, and campers.

• Delivers 20W trickle charging to maintain 12V batteries during parking, storage, or seasonal use


• Protects with smart controller: overvoltage, overcurrent, short circuit, over-discharge, overcharge, overheating


• Fits multiple battery types including LiFePO4, Li-ion, AGM, Gel, SLA, and EFB (12V systems)


• Includes 3 connection leads plus extension for fast setup: clips, ring terminals, and cigarette lighter plug


• Resists weather with IP67 waterproof build and ETFE surface for outdoor RV/marine/vehicle environments

Set it up once and let sunlight maintain your 12V battery day after day—ideal for garages, driveways, docks, and campgrounds. The portable panel is easy to position, and the integrated controller helps prevent common charging issues that shorten battery life. For safety, keep the panel stationary during use and do not operate while the vehicle is in motion to avoid vibration or detachment. Grab yours today and keep your next start reliable.

• System voltage: 12V (battery compatible)


• Maximum power: 20W


• Max power voltage: 15V


• Solar cell: Monocrystalline silicon


• Surface material: High-transparency ETFE film


• Waterproof rating: IP67


• Panel size: 14.17 x 13.78 x 0.98 in (360 x 350 x 25 mm)


• Net weight: 1.23 lb (0.56 kg)


• Cable lengths: 43.3 in (1.1 m) leads; 122 in (3.1 m) extension


• Operating temperature: −40°F to 185°F


• Color: Black