*KeyFeatures *Fast & Efficient Charging: Featuring high-efficiency monocrystalline cells and high-transparency tempered glass, this 20W 12V solar panel battery charger delivers superior conversion efficiency, faster charging speed, and quick battery replenishment *Upgraded MPPT Controller: Built-in intelligent MPPT controller provides multiple protections including overvoltage, overcurrent, short circuit, over-discharge, overcharge, and overheating. Optimize charging efficiency while safeguarding your battery and solar system *Wide Compatibility: Compatible with multiple 12V batteries, including LiFePO4, Li - ion, AGM, Gel, SLA, EFB. Our solar battery trickle charger maintainer is suitable for boat, RV, car, trailer, lawn mower, water pump, gate opener, electric fence, tool sheds and more *Easy to Install & Connect: This solar battery charger comes with a 060 adjustable bracket, M6 screws, and pre-drilled holes for secure long-term installation on ground, walls, boat decks, car roofs, and house rooftops. Includes a 122-inch extension cord and 43.3-inch alligator clips *Excellent Durability: This IP65 waterproof solar panel battery charging kit works reliably in extreme conditions from 40 to 185. Built to withstand wind, rain, snow, and sunlight exposure, it's ideal for long-term outdoor use ******************************************************************************************************* *Specifications Item Model Number: 20W Color: White Maximum Power: 20W Compatible Battery Voltage: 12V Solar Cell: Monocrystalline Silicon Surface Material: High-Transparency Tempered Glass Controller Type: Built-in MPPT Controller Waterproof Rating: IP65 Net Weight: 4.14 lbs / 1.88 kg Solar Panel Dimensions: 15.4 x 13 x 12.6 in / 391 x 330 x 320 mm ******************************************************************************************************* *Pakcage Content 1 x Alligator Clip (43.3 inch / 1100 mm) 1 x Extension Cable (122 inch / 3100 mm) 8 x M6 Screws