SOLPERK Solar Panel Kit 20W 12V, Waterproof Solar Battery Trickle Charger Maintainer + Smart MPPT Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive

This 20W SOLPERK solar panel kit has worked really well for keeping my 12V batteries maintained. It’s easy to install, feels sturdy, and the waterproof design makes it great for outdoor use. The charging performance has been consistent, and the included hardware makes the setup simple. A solid option for anyone needing a dependable trickle charger.

Really impressed with this solar panel kit! It was easy to set up, feels well made, and works exactly as described. Perfect for keeping my battery maintained without worrying about overcharging thanks to the smart controller. Great for RVs, boats, or vehicles that sit for long periods. Definitely worth the money!

Very happy with this product. It works perfectly, charges quickly, is practical, easy to use, and of very good quality. A purchase that is truly worthwhile.

This panel and controller works as expected. Charged up my 12 volt barreries in a reasonable time frame. Nice and compact. Perfect for my solar experiment to keep 12 volt batteries charged for charging USB devices like phones and led lights.

This solar panel works great, I replaced my old one that went bad with this one on my front automatic gate by USAutomatic. It larger, better made and puts out a higher charge for my battery, it keeps it well charged on shaded parts of the day, winter days and cloudy days. I like the extra feature of having the waterproof controller to help regulate the charge and lets me know that everything is working properly. Super easy to install, plenty of long wire, quick connect plugs on the ends and all well built.

I picked up this solar panel kit to help maintain a battery that doesn’t get used every day, and the first setup was surprisingly straightforward. Everything connected easily, and I didn’t feel like I needed any special tools or prior experience to get it running. Once it was mounted, it blended into the space without being an eyesore. The adjustable bracket made it simple to position it toward the sun, which gave me confidence that it would actually do its job throughout the day. I started noticing pretty quickly that my battery was staying topped off instead of slowly draining between uses. That alone removed a recurring annoyance from my routine. I no longer have to remember to hook up a charger or worry about a dead battery when I need it. The indicator lights are helpful for a quick glance to make sure everything is working as expected. I have left it outside through different weather, and it has held up without any issues so far. It feels like a set it and forget it solution, which is exactly what I was hoping for. The convenience factor really stands out because it quietly does its job in the background. Over time, it has given me peace of mind knowing my equipment is ready when I need it. I also appreciate not having to rely on outlets or extension cords anymore. For the price, the added reliability and reduced hassle make it feel like a smart purchase. I think this would be especially useful for anyone with vehicles or equipment that sit unused for stretches of time.

It includes everything you need, including the mount and controller, which makes setup straightforward. The panel feels durable and handles outdoor conditions well, and the waterproof design adds peace of mind for long-term use. The included controller works efficiently and helps prevent overcharging, which is important for maintaining battery health. It’s perfect for vehicles or equipment that sit for long periods—like cars, boats, RVs, or motorcycles—keeping the battery from draining. The adjustable mount is a nice touch and makes it easy to position for better sun exposure.

This little solar charger does a nice job keeping 12V batteries from slowly dying on my RV. The panel feels sturdy, the charge controller keeps things from overcharging. The adjustable bracket makes it easy to point toward the sun, and the light weight and compact size make the installation convenient. It handles mixed weather without any drama and is great for my RV that sits around for a while. It’s not meant to power anything big, but as a simple maintenance charger, it’s reliable, low‑effort, and pretty much set‑and‑forget.

Very nice unit that works as expected for a good price.

Good

Very happy with purchase. Excellent product. Thank you, recommended seller

Works as stated. Good value. I use it to trickle feed my motorhome starter battery while it is stored. The cables are a fair length for most; however, I did need to extend mine because I wanted it on the roof of the motorhome where it was in the sun all day and not sitting on the ground. It does come with a handy bracket that can be used as a stable stand, or for mounting somewhere. It also has a controller to make sure it doesn't over-charge. I'll see how it goes for a few months and update the review if need be.

seems to work great keeping my battery for my trolling motor charged