*KeyFeatures *High-Efficiency Charging: Our 20W 12V solar panel battery charger is built with efficient monocrystalline cells and high transparency ETFE film, delivering higher conversion efficiency and faster charging speed, ensuring your battery gets fast power replenishment *Wide Compatibility: Compatible with multiple 12V batteries, including LiFePO4, Li - ion, AGM, Gel, SLA, EFB. Our solar battery trickle charger maintainer is suitable for motorcycles, boats, cars, SUVs, RVs, vans, campers, automobiles, snowmobiles, etc *Safe Charging Controller: Built-in microcontroller provides multiple protections including overvoltage, overcurrent, short circuit, over-discharge, overcharge, and overheating. Optimize charging efficiency while safeguarding your battery and solar system *All-Weather Durability: Our IP67 waterproof solar battery charger maintainer works reliably from 40 to 185, withstanding wind, rain, snow, and sun for long-term outdoor use. (Keep panel stationary during use. Do not use while the vehicle is in motion to prevent vibration or falling off) *Easy to Connect: This solar panel battery charging kit includes 43.3-inch (1.1m) alligator clips, 43.3-inch (1.1m) O-ring terminals, and a 43.3-inch (1.1m) cigarette lighter plug, plus a 122-inch (3.1m) extension cord. Just plug and play for quick charging ******************************************************************************************************* *Specifications Item Model Number: 20W Color: Black Maximum Power: 20W Max Power Voltage: 15V Compatible Battery Voltage: 12V Solar Cell: Monocrystalline Silicon Surface Material: High-Transparency ETFE Film Waterproof Rating: IP67 Net Weight: 1.23 lbs / 0.56 kg Solar Panel Dimensions: 14.17 x 13.78 x 0.98 in / 360 x 350 x 25 mm ******************************************************************************************************* *Pakcage Content 1 x O-Ring Cable (43.3 inch / 1100mm) 1 x Alligator Clip (43.3 inch / 1100mm) 1 x Cigarette Lighter Plug (43.3 inch / 1100mm) 1 x Extension Cable (122 inch / 3100 mm) 4 x Suction Cups