Saillong 12V Solar Car Battery Charger Maintainer | Waterproof & Portable

Meet Saillong’s 12V Solar Car Battery Charger Maintainer—a compact, sun-powered helper designed to care for 12-volt batteries across cars, boats, motorcycles, and more. By converting sunlight into a gentle charging current, this device can help keep batteries topped up even when a vehicle sits idle for weeks, potentially reducing the need for battery boosts or jump starts.

Key advantages at a glance

• Gently trickle-charge whenever sunlight is available, helping maintain battery health without requiring engine runs.
• Plug-and-play setup with a heavy-duty 2.1 mm x 5.5 mm DC plug and an extension cord; mounting is flexible with a carabiner and suction cup.
• Intelligent protection built into the charger guards against overvoltage, overcharge, and short circuits, plus safeguards against reverse charging.
• Quick connection options: connect to the battery with alligator clips or insert the cigarette lighter plug into your vehicle’s socket for fast, three-minute setup.
• Rugged construction blends durability with outdoors readiness: tempered glass, corrosion-resistant ABS frame, and weather-tolerant design.

Durable, weather-ready design

• Monocrystalline solar cells deliver efficient energy capture, with up to 21% efficiency.
• Tempered glass, UV-resistant ABS frame, and weather-ready design withstand UV exposure, hail, sand, and freezing conditions, with wind loads up to 2400 Pa and snow loads up to 5400 Pa.

Versatile use and what’s included

Designed for a broad range of 12V batteries—from passenger cars to boats, RVs, lawn equipment, and ATVs—the charger offers flexible installation options and minimal maintenance. A carabiner and suction cup enable quick mounting, while the SAE cable and alligator clips broaden connection choices. Best of all, there are no ongoing electricity costs—so long as the sun shines, charging can occur.

What you get

• Saillong 12V solar car battery charger unit
• Extension cord for flexible placement
• Carabiner for quick mounting
• Suction cup for window or panel attachment
• SAE cable with alligator clips for battery terminal connection

Note: For optimal results, position the panel to maximize sun exposure and monitor battery conditions periodically. This charger is designed to complement routine vehicle maintenance and battery care, offering a practical, sun-powered option for keeping critical 12V systems ready.