Fast & Efficient Charging: With high-efficiency monocrystalline cells and high-transparency glass, this 20W 12V solar panel battery charger offers superior conversion efficiency and faster charging speed.

Upgraded MPPT Controller: Built-in smart MPPT controller provides multiple protections such as overvoltage, overcurrent, short circuit, and overheating. It optimizes charging performance while protecting the battery and solar system.

Wide Compatibility: Compatible with many 12V batteries, including LiFePO4, Li-ion, AGM, Gel, SLA, and EFB. Ideal for boats, RVs, cars, trailers, and other applications.

Easy Installation & Connection: Features an adjustable arm from 0°–60°, M6 screws, and pre-drilled holes for secure installation on various surfaces. Includes extension cable and alligator clips.

Excellent Durability: This IP65 solar panel battery charger kit operates in extreme conditions from -40℉ to 185℉, built to withstand wind, rain, and solar radiation.

• Battery Compatibility: 12V
• Solar Panel Dimensions: 15.4 x 13 x 12.6 inches / 391 x 330 x 320 mm
• Maximum Power: 20W
• Solar Cell: Monocrystalline Silicon
• Waterproof Rating: IP65
• Surface Material: High-Transparency Glass
• Net Weight: 4.14 lbs / 1.88 kg

VEVOR 20W 12V Solar Panel Battery Charger & Maintainer with built-in MPPT controller & adjustable mounting arm, IP65 waterproof.