Solar Charger for 12V/18V Batteries – 20W Monocrystalline Silicon Solar Maintenance Kit for Campervans, Cars, and Boats

☀️ General Description 12V Solar Battery Maintenance Kit for Vehicles — Ideal for Preventing Accidental Discharge! This 20W monocrystalline solar charger gently recharges and maintains your 12V car, RV, boat, or motorcycle batteries. Perfect for extended periods of inactivity, it effectively prevents deep discharge. Intuitive to use, even for beginners. 📊 Technical Specifications Panel Power: 20W (monocrystalline) Output Voltage: 12V / 18V Contents: 1 solar panel, 1 OBD-II plug (European standard), 1 battery clamp, 1 cigarette lighter cable, 4 suction cups Material: High-efficiency monocrystalline silicon 🔧 Installation Ultra-fast installation — no tools or technical skills required. Attach the panel to your windshield or roof using the suction cups, then plug the OBD-II connector into your vehicle's diagnostic port (compatible with all models post-2001). That's it! 🎯 Use: Use it daily or in "standby" mode while you're away: weekends, holidays, or during winter storage. The system automatically maintains the optimal charge—no more dead batteries when starting your vehicle. Also ideal for vehicles used occasionally or outdoors (camping, construction sites, water sports). ℹ️ Other information: Designed for continuous and reliable use. No risk of overcharging: integrated regulation. The OBD cable and clamp offer two flexible connection options to suit your needs. Compatible with all standard 12V lead-acid batteries—no configuration required.