12 volt Solar Battery Maintainer Solar Charger 10 20 30 50 watt Solar

MHPOWOS Solar Panel 110W/220W ⇄ Swipe left or right to view more MHPOWOS
Solar Battery Charger Model 10W Solar Panel 20W Solar Panel 30W Solar Panel 50W Solar Panel Cells Monocrystalline Silicon Monocrystalline Silicon Monocrystalline Silicon Monocrystalline Silicon Conversion Efficiency 23.5% 23.5% 23.5% 23.5% Open Circuit Voltage 21.6V 21.6V 21.6V 23.4V Max Power Voltage 18V 18V 18V 19.3V Short Circuit Current 0.58A 1.16 1.74 2.81A Max Power Current 0.55A 1.11A 1.66A 2.56A Dimension 10.4 x 10 x 0.08 inches 14.96 x 11.93 x 0.09 inches 15.6 x 16.08 x 0.08 inches 21.02 x 20.07 x 0.09 inches Waterproof IP67 IP67 IP67 IP67 Operating Temperature -40℉ ~ 140℉ -40℉ ~ 140℉ -40℉ ~ 140℉ -40℉ ~ 140℉ Built-in Charge Controller mppt mppt mppt mppt Warranty 18 Months 18 Months 18 Months 18 Months Connectors SAE, Alligator Clip, Cigarette Lighter, O-Ring Terminal Protection Overcharge, Short-circuit, Reverse current, Reverse polarity, Overvoltage MHPOWOS 12V 10W 20W 30W 50W solar battery trickle charger battery maintainer 🔋 Never Dead Battery Again!

Never worry about a dead car battery again, especially after long periods of parking! This solar charger provides a continuous trickle charge, preventing starting problems and battery replacements. Harness the power of the sun—no fuel or electricity costs.

🛠️ Instant Setup, All-Weather Tough

Install in seconds with included suction cups, hooks, alligator clips, a cigarette lighter adapter, and O-ring terminals. The IP67 waterproof and dustproof rating ensures reliable performance in any weather. The PET-coated panel resists corrosion, abrasion, heat, bending, stretching, and impact.

☀️ High-Efficiency Sun Power

Featuring a 23.5% high-conversion monocrystalline silicon panel, this charger delivers consistent power even in low-light conditions. Monocrystalline technology offers a longer lifespan and more stable power generation than traditional polycrystalline panels.

🛡️ Smart Charging & 6-Way Protection

The built-in MPPT smart charging controller provides six levels of protection: overcharge, short circuit, reverse polarity, backflow prevention, over-temperature, and over-voltage . This ensures safe and reliable charging for your 12V battery, maximizing its lifespan. Tri-color LEDs clearly display the charging status.

🚗 Universal Fit & Ultra-Portable

Compatible with a wide range of 12V batteries, including those in cars, motorcycles, boats, RVs, tractors, lawn mowers, and more. Measuring 10.40 x 10 inches (10w) / 14.96 x 11.93 inches (20w) / 15.6 x 16.08 inches (30w) / 21.02 x 20.07 inches (50w), it's incredibly portable and easy to store.

✅ Certified Safe + Worry-Free Support

Rest assured knowing this product is certified to meet rigorous FCC, RoHS, CE, PSE, and Recycling standards, ensuring quality and safety. We offer fast and free shipping directly from our Los Angeles warehouse, and your purchase is protected by an 18-month warranty and 24/7 dedicated customer support, should you have any questions or concerns.

🚚 FREE Shipping | ✈️ Ships in 48H 🔧 18-Month Warranty | 🔄 30 Days Hassle-Free Returns