--- product_id: 677629499 title: "MPPT 20Watt 12V Solar Car Battery Trickle Charger & Maintainer | Waterproof Flexible Solar Panel Kit | Prevents Overcharging with Smart Controller | Fits 12V Batteries for Boats, RVs & More" brand: "sunapex" price: "€ 147.37" currency: EUR in_stock: true category: "Sunapex" url: https://www.desertcart.hr/products/677629499-mppt-20watt-12v-solar-car-battery-trickle-charger-and-maintainer store_origin: HR region: Croatia --- # 20W high-efficiency power output IP67 waterproof for all-weather durability Advanced MPPT controller for smart battery care MPPT 20Watt 12V Solar Car Battery Trickle Charger & Maintainer | Waterproof Flexible Solar Panel Kit | Prevents Overcharging with Smart Controller | Fits 12V Batteries for Boats, RVs & More **Brand:** sunapex **Price:** € 147.37 **Availability:** ✅ In Stock ## Summary > 🔋 Charge smarter, live freer — never get caught powerless again! ## Quick Answers - **What is this?** MPPT 20Watt 12V Solar Car Battery Trickle Charger & Maintainer | Waterproof Flexible Solar Panel Kit | Prevents Overcharging with Smart Controller | Fits 12V Batteries for Boats, RVs & More by sunapex - **How much does it cost?** € 147.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/677629499-mppt-20watt-12v-solar-car-battery-trickle-charger-and-maintainer) ## Best For - sunapex enthusiasts ## Why This Product - Trusted sunapex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Weatherproof Warrior:** IP67-rated waterproof design ensures reliable performance rain or shine—never miss a charge. - • **Portable & Ready to Go:** Lightweight, flexible panel with carabiners for easy installation anywhere—perfect for on-the-go power needs. - • **Smart Battery Guardian:** MPPT controller prevents overcharging and battery drain, extending battery life effortlessly. - • **Power Up with Precision:** 20W monocrystalline solar panel delivers rapid, efficient charging for your 12V batteries. - • **Universal Compatibility:** Supports sealed lead-acid, lithium, LiFePO4, GEL, AGM, and flooded batteries—one charger for all your gear. ## Overview The SUNAPEX MPPT 20W 12V Solar Car Battery Trickle Charger is a high-efficiency, weatherproof solar panel with an advanced MPPT controller designed to maintain and charge a wide range of 12V batteries. Its flexible, portable design and smart charging technology prevent overcharging and battery drain, making it ideal for vehicles, boats, outdoor electronics, and off-grid applications. Backed by a one-year warranty and lifetime support, it’s the ultimate power solution for professionals who demand reliability and convenience. ## Description desertcart.com: SUNAPEX MPPT 20Watt 12V Solar Car Battery Trickle Charger & Maintainer | Waterproof Flexible Solar Panel Kit | Prevents Overcharging with Smart Controller | Fits 12V Batteries for Boats, RVs & More : Patio, Lawn & Garden ## Features - Battery Savior: This is designed to charge and maintain 12V rechargeable batteries. Use it to charge and maintain infrequently used vehicles; boats; outdoor electronics; lawnmowers and more. Ensure your devices start anytime and protect batteries from long-term discharge. It’s also ideal for off-grid devices like electric fences; gate openers; water pumps; weather systems; cameras, etc. Compatible with most battery likes sealed lead-acid; lithium; LiFePO4; GEL; AGM; flooded, etc - No Overcharging, No Battery Drain: The controller prevents overcharging and stops charging when the battery is full, resuming when voltage drops. Ensures battery safety without draining power - Upgraded MPPT Controller: Outperforms PWM controllers with faster charging and higher currents. Features 4 battery status indicators and precise charging modes for LiFePO₄; GEL and AGM batteries - High-Efficiency Solar Panel: Monocrystalline cells charge faster than polycrystalline and amorphous panels of the same size - IP67 Waterproof: Fully sealed and IP67 waterproof, suitable for all weather conditions Easy Installation & Portable: Lightweight and flexible, with carabiners for hanging anywhere - Worry-Free Warranty & Support: SUNAPEX offers a one-year warranty and lifetime technical support. 24/7 customer service ensures prompt responses. Contact us anytime for assistance ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DHCKCS68 | | Best Sellers Rank | #15,823 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #11 in Solar Battery Chargers & Charging Kits | | Brand | SUNAPEX | | Brand Name | SUNAPEX | | Connector Type | SAE | | Customer Reviews | 4.0 out of 5 stars 28 Reviews | | Efficiency | High Efficiency | | Manufacturer | SUNAPEX | | Manufacturer Part Number | SA_RX20W_MPPT | | Material | Monocrystalline Silicon , Polymer, Aluminum | | Material Type | Monocrystalline Silicon, Polymer, Aluminum | | Maximum Power | 20 Watts | | Maximum Voltage | 12 Volts (DC) | | Model Number | SA_RXMPPT_2OW | | Special Feature | Flexible, Portable | | Special Features | Flexible, Portable | ## Product Details - **Brand:** SUNAPEX - **Material:** Monocrystalline Silicon, Polymer, Aluminum - **Efficiency:** High Efficiency - **Maximum Voltage:** 12 Volts (DC) - **Maximum Power:** 20 Watts ## Images ![MPPT 20Watt 12V Solar Car Battery Trickle Charger & Maintainer | Waterproof Flexible Solar Panel Kit | Prevents Overcharging with Smart Controller | Fits 12V Batteries for Boats, RVs & More - Image 1](https://m.media-amazon.com/images/I/916+LRYS9UL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - SUNAPEX 20W Flexible Solar Panel with MPPT Charge Controller, Solar Battery Charger Maintainer, 12V Waterproof Solar Trickle Charger for Car, Motorcycle, Boat, Marine, RV, Trailer, Tractor,Truck, etc - OYMSAE 25Feet SAE to SAE Extension Cable Quick Disconnect Connector 16AWG,for Automotive,Solar Panel Panel SAE Plug(25FT(16AWG)), Charging Adapter --- ## 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.hr/products/677629499-mppt-20watt-12v-solar-car-battery-trickle-charger-and-maintainer](https://www.desertcart.hr/products/677629499-mppt-20watt-12v-solar-car-battery-trickle-charger-and-maintainer) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-07-21*