--- product_id: 234489203 title: "Solar Panel Kit, Waterproof Solar Battery Trickle Charger Maintainer + Smart MPPT Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive (20W)" brand: "solperk" price: "727 Lei" currency: RON in_stock: true reviews_count: 13 category: "Solperk" url: https://www.desertcart.ro/products/234489203-solar-panel-kit-waterproof-solar-battery-trickle-charger-maintainer-smart store_origin: RO region: Romania --- # 20W high power output 8A smart charge controller 360° adjustable mounting bracket Solar Panel Kit, Waterproof Solar Battery Trickle Charger Maintainer + Smart MPPT Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive (20W) **Brand:** solperk **Price:** 727 Lei **Availability:** ✅ In Stock ## Summary > ☀️ Charge Smarter, Live Freer — Power Your Journey with SOLPERK! ## Quick Answers - **What is this?** Solar Panel Kit, Waterproof Solar Battery Trickle Charger Maintainer + Smart MPPT Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive (20W) by solperk - **How much does it cost?** 727 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/234489203-solar-panel-kit-waterproof-solar-battery-trickle-charger-maintainer-smart) ## Best For - solperk enthusiasts ## Why This Product - Trusted solperk brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Brave the Elements:** Durable low-iron tempered glass and rustproof aluminum frame ensure 25 years of waterproof, weatherproof performance. - • **Maximize Your Energy Harvest:** Monocrystalline solar cells with 21%-30% efficiency deliver powerful, reliable charging for all your 12V batteries. - • **Smart Charging, Zero Worries:** Advanced 8A MPPT controller prevents overcharging and short circuits while optimizing battery health with real-time status indicators. - • **Complete Kit, Complete Confidence:** Includes everything you need plus lifetime tech support and 24/7 customer care—join thousands powering their adventures sustainably. - • **Effortless Setup & Perfect Positioning:** Plug-and-play cables and a 360° adjustable bracket guarantee quick installation and optimal sun exposure anytime, anywhere. ## Overview The SOLPERK 20W 12V Solar Panel Kit features high-efficiency monocrystalline cells (21%-30%) paired with an upgraded 8A smart MPPT charge controller. Built with durable tempered glass and a corrosion-resistant aluminum frame, it withstands extreme weather and offers a 25-year lifespan. The kit includes a 360° adjustable mounting bracket for optimal sun alignment and plug-and-play installation, making it ideal for maintaining batteries in vehicles, boats, and outdoor equipment. Backed by lifetime technical support and 24/7 customer service, it’s a reliable, eco-friendly power solution for professionals on the move. ## Description desertcart.com : SOLPERK Solar Panel Kit, Waterproof Solar Battery Trickle Charger Maintainer + Smart MPPT Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive (20W) : Patio, Lawn & Garden Review: Reliable and Easy to Install - I purchased this 20W solar panel kit to maintain the battery on one of my vehicles that doesn't get driven very often and it has worked exactly as I hoped. Everything felt well made out of quality materials and the installation process was simple enough to complete in a short amount of time. The panel itself feels sturdy and durable with a solid frame that is capable of handling different weather conditions. It has been exposed to sun, wind and a couple of rainy days without any issues and it continues to perform consistently well. It features a smart controller which takes care of several concerns of mine, including preventing the charger from short circuiting and over charging. I am able to monitor the charging status as indicated on the controller by two lights. It also features an adjustable mount that locks securely into place without any drilling or screws required, I just plug and play and it's ready to go. Overall, I am very pleased with its performance and the charging efficiency. Review: Works as expected - This Solarpek 20W kit is built around a functional monocrystal cell and a smart MPPT controller, which together deliver consistent charging performance as expected. They clearly prioritized functionality over durability, but the trade‑off works; the cell operates around 20W and the controller does its job. I ran it for a week in southern Arizona with mixed cloudy and sunny days, and at the end of the test the battery was sitting steady at 13.3V. For the price, it’s a straightforward, effective product that does what it claims. ## Features - 【High Conversion Rate】This 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 LiFePO₄, 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-resistant aluminum frame, make this solar panel 100% waterproof and rustproof, and provide the prolonged lifespan up to 25 years. This 12V solar panel can withstand all weather conditions such as sandstorm, strong wind, thunderstorm, blizzard, hail, etc. It can withstand up to 2400Pa wind pressure and 5400Pa snow load - 【Smart MPPT Controller】The charging efficiency of this upgraded 10A controller is 30% higher than other controllers on the market. Its intelligent three-stage charging design effectively prevents the battery from overcharging, over-voltage and short circuit. It takes no power from the battery. You will clearly know the charging status of the battery through the two indicator lights on the controller - 【360° Adjustable Bracket & Plug-and-Play Installation】Comes with a fully 360° angle adjustable mounting bracket, which allows you to adjust the solar panel to the optimal sun-facing angle for maximum solar energy absorption and higher charging efficiency. Pre-drilled mounting holes and matched screws greatly simplify the installation process, no complicated tools or professional skills are required. All cable connections support plug-and-play, enabling quick and effortless installation and disassembly for both indoor and outdoor scenarios. - 【Complete Accessories & Reliable After-Sales Service】Our SOLPERK Solar Panel kit includes 1*20W solar panel, 1*smart MPPT charge controller, 1*adjustable mounting bracket, 1*alligator clip, 1*O-ring and a full set of mounting accessories to meet your diverse installation and use needs. We offer 1-year professional after-sales service and lifetime technical support, with 7×24-hour online customer service to respond to your questions and solve problems within 24 hours, bringing you a worry-free shopping and using experience. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08GX19KT9 | | Amperage Capacity | 8 A | | Best Sellers Rank | #1,216 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #3 in Solar Battery Chargers & Charging Kits | | Brand | SOLPERK | | Brand Name | SOLPERK | | Connector Type | SAE | | Customer Reviews | 4.5 out of 5 stars 3,818 Reviews | | Efficiency | High Efficiency | | Included Components | Controller | | Item Dimensions L x W x H | 7"L x 4"W x 3"H | | Item Weight | 3 pounds | | Manufacturer | SOLPERK | | Manufacturer Part Number | FD-EP-230201-1688 | | Material | Monocrystalline Silicon | | Material Type | Monocrystalline Silicon | | Maximum Power | 20 watts | | Maximum Voltage | 12 volts | | Model Number | SOLPERK | | Number of Items | 1 | | Output Voltage | 12 volts | | Product Dimensions | 7"L x 4"W x 3"H | | UPC | 884017701569 | | Unit Count | 1 Count | ## Product Details - **Brand:** SOLPERK - **Efficiency:** High Efficiency - **Item Weight:** 3 pounds - **Material:** Aluminum, Monocrystalline Silicon - **Product Dimensions:** 15"L x 13.2"W x 0.7"H ## Images ![Solar Panel Kit, Waterproof Solar Battery Trickle Charger Maintainer + Smart MPPT Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive (20W) - Image 1](https://m.media-amazon.com/images/I/7114EQvNqNL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can I leave the panel mounted at the dock, and just unplug it from the controller when I want to leave, then plug it back in when I return?** A: Absolutely! I have it sitting in the bed of my truck, so if I need to use the truck I just unplug the panel and put it in my garage and I am on my way. **Q: Country of Origin? Where is this manufactured?** A: 2 guesses and 1 don't count, pure Chinesium product. **Q: Is there a setup that can charge 5 dirt bike/quads?** A: Do you mean the setting of charging 5 batteries at the same time? This is to charge separate batteries, and you cannot charge 5 batteries at the same time **Q: How much power does the controller consume when the panel is producing energy?** A: The controller is junk, i had to buy a real one... ## Customer Reviews ### ⭐⭐⭐⭐⭐ Reliable and Easy to Install *by D***S on July 21, 2026* I purchased this 20W solar panel kit to maintain the battery on one of my vehicles that doesn't get driven very often and it has worked exactly as I hoped. Everything felt well made out of quality materials and the installation process was simple enough to complete in a short amount of time. The panel itself feels sturdy and durable with a solid frame that is capable of handling different weather conditions. It has been exposed to sun, wind and a couple of rainy days without any issues and it continues to perform consistently well. It features a smart controller which takes care of several concerns of mine, including preventing the charger from short circuiting and over charging. I am able to monitor the charging status as indicated on the controller by two lights. It also features an adjustable mount that locks securely into place without any drilling or screws required, I just plug and play and it's ready to go. Overall, I am very pleased with its performance and the charging efficiency. ### ⭐⭐⭐⭐⭐ Works as expected *by C***Y on September 20, 2026* This Solarpek 20W kit is built around a functional monocrystal cell and a smart MPPT controller, which together deliver consistent charging performance as expected. They clearly prioritized functionality over durability, but the trade‑off works; the cell operates around 20W and the controller does its job. I ran it for a week in southern Arizona with mixed cloudy and sunny days, and at the end of the test the battery was sitting steady at 13.3V. For the price, it’s a straightforward, effective product that does what it claims. ### ⭐⭐⭐⭐⭐ Solid 12V maintainer with genuine MPPT control *by C***C on July 25, 2026* I needed a reliable way to keep my spare vehicle's battery topped off without dragging an extension cord out to the driveway every few weeks. Most cheap trickle chargers barely push enough voltage to overcome natural drain, but a 20W rating seemed like it would offer enough overhead to actually get the job done. The kit arrived with everything necessary to get started right away. I was glad to confirm it comes with both alligator clips for temporary use and O-ring terminals for a more permanent installation. I went with the O-rings for a cleaner setup under the hood. The panel housing feels rigid enough for long-term outdoor exposure, and the adjustable bracket makes it simple to dial in the right angle for the sun. What really makes this setup work is the smart MPPT controller. It handles the charge regulation much more efficiently than older, standard controllers, ensuring the battery gets a steady trickle without getting overcooked on extremely bright afternoons. There is one small detail to keep in mind before you install it. The cables running from the panel to the controller, and then to the battery, are a bit on the short side. If you plan to mount the solar panel high up on an RV roof or on a post away from the battery box, you will almost certainly need to buy an extension cable or splice in some extra wire of your own. It does exactly what I needed it to do. My battery stays consistently charged even after sitting untouched for weeks, and the whole system was straightforward to piece together. ## Frequently Bought Together - SOLPERK Solar Panel Kit 20W 12V, Solar Battery Trickle Charger Maintainer + Upgrade Controller + Adjustable Mount Bracket for Boat Car RV Motorcycle Marine Automotive - SEAFLO Water Diaphragm Self Priming Pump 3.0 Gallons/min (11.3 Lpm) 45 PSI New Rv/Marine 12 Volt Dc / 12 V Demand Fresh - ML7-12 - 12 VOLT 7.2 AH SLA BATTERY - Mighty Max Battery brand product, black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ro/products/234489203-solar-panel-kit-waterproof-solar-battery-trickle-charger-maintainer-smart](https://www.desertcart.ro/products/234489203-solar-panel-kit-waterproof-solar-battery-trickle-charger-maintainer-smart) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-10-12*