--- product_id: 304508196 title: "SOLPERK Solar Panel Kit 50W 12V, Solar Battery Trickle Charger Maintainer with Upgrade Waterproof Controller for Boat Car RV Motorcycle Marine Automotive (Without Mounting Bracket)" brand: "solperk" price: "€ 331.00" currency: EUR in_stock: true url: https://www.desertcart.pt/products/304508196-solperk-solar-panel-kit-50w-12v-solar-battery-trickle-charger store_origin: PT region: Portugal --- # 50W high power output 100% waterproof & rustproof Smart 10A charge controller SOLPERK Solar Panel Kit 50W 12V, Solar Battery Trickle Charger Maintainer with Upgrade Waterproof Controller for Boat Car RV Motorcycle Marine Automotive (Without Mounting Bracket) **Brand:** solperk **Price:** € 331.00 **Availability:** ✅ In Stock ## Summary > 🔆 Charge smarter, live freer — never miss a sunny moment! ## Quick Answers - **What is this?** SOLPERK Solar Panel Kit 50W 12V, Solar Battery Trickle Charger Maintainer with Upgrade Waterproof Controller for Boat Car RV Motorcycle Marine Automotive (Without Mounting Bracket) by solperk - **How much does it cost?** € 331.00 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/304508196-solperk-solar-panel-kit-50w-12v-solar-battery-trickle-charger) ## 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 - • **Maximize Your Power ⚡:** 50W monocrystalline panel delivers up to 30% efficiency for rapid, reliable battery charging. - • **Plug & Play Simplicity 🔌:** Pre-drilled mounting holes and included cables make installation effortless—get powered up in minutes. - • **Intelligent Battery Care 🔋:** Upgraded IP65 waterproof 10A controller with 3-stage charging prevents overcharge and extends battery life. - • **Built to Brave the Elements 💧:** Durable low-iron tempered glass and corrosion-resistant aluminum frame withstand harsh weather for 25+ years. - • **Versatile & Ready for Adventure 🚗:** Perfect for boats, RVs, motorcycles, cars, and more—keep your 12V batteries topped off wherever you roam. ## Overview The SOLPERK 50W Solar Panel Kit features a high-efficiency monocrystalline solar panel with up to 30% conversion rate, paired with a smart 10A waterproof charge controller that protects and maintains 12V batteries. Built with durable tempered glass and corrosion-resistant aluminum, this kit is designed to withstand extreme weather conditions for over 25 years. Easy to install with included mounting hardware and cables, it’s ideal for maintaining batteries in boats, RVs, motorcycles, and more, ensuring reliable off-grid power wherever you go. ## Description Our company has an experienced professional technical team to help customers solve various solar charging problems, so that we can use pollution-free solar energy. That batteries will slowly leak after being stored for a period of time. And it will consume power for a long time, which will make the battery unchargeable. Therefore, we can use our solar charger to charge and maintain the battery. This product has the following characteristics: : 1. Using high-efficiency monocrystalline solar cells, even if the panel is smaller than the traditional model, it still can achieve higher power efficiency. 2. Equipped with a charging controller, it has various protection functions that never cause any damage to the battery. 3. It is convenient to charge as long as there is sunlight to charge the battery. 4. Easy to connect. No need to pull long and complicated extension cords. At the same time it works under human body safety voltage and is very safe. 5. The surface is made of glass and easy to clean. Reminder: 1. Before connecting the wires, separate the red and black clips to avoid collision and short circuit. 2. This product is a solar charging board which should be installed in a place where the sun is shining directly. The more sunlight, the better the charging effect. Specification: Solar Panel Type: Monocrystalline Maximum Wattage: up to 50 watts Current at max: 2.78A Open Circuit Voltage: 21.6V Operating Voltage: 12V Size: 21.3*21.3*1 inch Weight: 7.2 lbs Packing list: 1 x Solar panel 1 x Charge Controller 1 x Battery cable 4 x Self tapping screw 4 x Expansion screws 4 x Mounting Pieces SAE Cable ## Features - 【High Conversion Rate】This 50W 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 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 Charge Controller】IP65 waterproof charge controller. The charging efficiency of this upgraded 10A controller is 20%-30% higher than other controllers on the market. Its intelligent three-stage charging design effectively prevents the battery from overcharging. You will clearly know the charging status of the battery through the three indicator lights on the controller - 【Easy to Install & Operate】- It’s very easy to install this solar panel on the wall or on the roof with pre-drilled mounting holes and needed screws. All cable connections are plug and play, very easy to use - 【What You Get】 1 solar panel + 1 solar charger controller + 1 alligator clips + 1 SAE extension cable + 4 set of mounting pieces. We provide one year After-sale and lifetime technical support. 7×24 hours After-sales service ensures that your question is answered within one day ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08GXBH1QP | | ASIN | B08GXBH1QP | | Amperage Capacity | 2.78 Amps | | Brand Name | SOLPERK | | Connector Type | SAE | | Customer Reviews | 4.4 4.4 out of 5 stars (292) | | Customer reviews | 4.4 4.4 out of 5 stars (292) | | Date First Available | 20 November 2020 | | Efficiency | High Efficiency | | Included Components | Charger | | Item Dimensions L x W x H | 54.1L x 54.1W x 2.5H centimeters | | Item Weight | 3.27 kg | | Item model number | 50W PWM+Load | | Manufacturer | SOLPERK | | Manufacturer | SOLPERK | | Manufacturer Part Number | SOLPERK-SOLAR-PANEL-KIT-50W-1 | | Material Type | Monocrystalline Silicon | | Maximum Power | 50 Watts | | Maximum Voltage | 21.2 Volts | | Model Number | 50W PWM+Load | | Number of Items | 1 | | Number of Packs | 1 | | Output Voltage | 12 Volts | | Product Dimensions | 54.1 x 54.1 x 2.54 cm; 3.27 kg | | Special Features | High Conversion Rate, Smart Charge Controller, Easy to Install & Operate | | UPC | 884017771913 | | Unit Count | 1 Count | ## Product Details - **Brand:** SOLPERK - **Efficiency:** High Efficiency - **Item weight:** 3.27 kg - **Material:** Monocrystalline Silicon - **Product dimensions:** 54.1L x 54.1W x 2.5H centimeters ## Images ![SOLPERK Solar Panel Kit 50W 12V, Solar Battery Trickle Charger Maintainer with Upgrade Waterproof Controller for Boat Car RV Motorcycle Marine Automotive (Without Mounting Bracket) - Image 1](https://m.media-amazon.com/images/I/81S5PPvbm7L.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - SOLPERK Solar Panel Kit 50W 12V, Solar Battery Trickle Charger Maintainer with Upgrade Waterproof Controller for Boat Car RV Motorcycle Marine Automotive (Without Mounting Bracket) - OYMSAE 25Feet SAE to SAE Extension Cable Quick Disconnect Connector 16AWG,for Automotive,Solar Panel Panel SAE Plug(25FT(16AWG)), Charging Adapter - LST 6FT 12V Ring Terminal SAE to O Ring Connecters Extension Cord Cable Connector for Battery Charger/Maintainer --- ## 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.pt/products/304508196-solperk-solar-panel-kit-50w-12v-solar-battery-trickle-charger](https://www.desertcart.pt/products/304508196-solperk-solar-panel-kit-50w-12v-solar-battery-trickle-charger) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-22*