SOLPERK Solar Panel Kit 20W 12V, Solar Battery Trickle Charger Maintainer + Upgrade Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive All cable connections are plug-and-play

All cable connections are plug-and-play

It also comes with a friendly 24/7 customer service team that is ready to answer any questions or concerns you may have

There are 2 pre-drilled holes on the controller

sealed lead-acid

SOLPERK Solar Panel Kit 20W 12V, Solar Battery Trickle Charger Maintainer + Upgrade Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive All cable connections are plug-and-playAbout this item High Conversion RateThis 20W solar panel with monocrystalline A+ solar cell has an excellent cell efficiency of 21% 30%. Designed to charge and maintain 12V rechargeable batteries like LiFePO, Lithium Ion, AGM, SLA, GEL, EFB, MF, etc. Keep batteries in charged for trailer, tractor, truck, boat, motorcycle, RV, car, lawn mower, water pump, gate opener, electric fence, etc. Built to Last Low iron tempered glass surface and corrosion