20W 12V Solar Battery Maintainer & Trickle Charger

Product details from Callsun Solar:

• Efficient Battery Charging | 20W 12V solar charger with A+ monocrystalline cells and smart controller delivers 20–30% faster charging.
• Wide 12V Compatibility | Works with LiFePO₄, Li-ion, AGM, SLA, GEL, FLD, EFB, MF batteries for cars, RVs, boats, motorcycles, campers, and more.
• 3-Stage Smart Charging | Auto Bulk → Absorption → Maintenance with 3 LEDs and 6-in-1 protection (reverse current, over-charge, over-voltage, over-current, short-circuit, over-temperature).
• All-Weather Durability | IP68, low-iron tempered glass, corrosion-resistant frame; stable output -10°C to 70°C; corner guards for drop protection.
• Complete Kit & 24/7 Support | Includes solar panel ×1; charge controller ×1; 360° adjustable mount ×1; alligator clip cable ×1; O-rings ×1; mounting hardware kit ×1; 24/7 support & 365-day warranty.