20W 12V Solar Panel Battery Charger, Solar Battery Trickle Charger Maintainer with Intelligent MPPT Controller & Adjustable Mount Bracket, IP67

20W 12V Solar Panel Battery Charger, Solar Battery Trickle Charger Maintainer with Intelligent MPPT Controller & Adjustable Mount Bracket, IP67 Waterproof for Car Boat RV Motorcycle Trailer Smart Charging Controller Built to Last Easy to Connect Wide Applications High Compatibility Higher Conversion Efficiency Compatible Battery Voltage: 12V,Solar Panel Dimensions: 14.7 x 14.57 x 0.79 in / 373 x 370 x 20 mm,Maximum Power: 20W,Solar Cell: Monocrystalline Silicon,Waterproof Rating: IP67,Controller Type: External MPPT Controller,Item Model Number: 20W,Surface Material: High-Transparency Tempered Glass,Max Power Voltage: 20V,Net Weight: 3.46 lbs / 1.57 kg