--- product_id: 515996351 title: "12V 20W Solar Battery Charger Pro, Built-in MPPT Charge Controller,20 Watts Solar Panel Trickle Charging Kit for Cars, Trucks, caravans, Boats, Motorcycles" brand: "amerteer" price: "$47.65" currency: USD in_stock: true url: https://www.desertcart.us/products/515996351-12v-20w-solar-battery-charger-pro-built-in-mppt-charge store_origin: US region: United States of America --- # 20W power output Dual USB & 12V DC output 23-24% high conversion efficiency 12V 20W Solar Battery Charger Pro, Built-in MPPT Charge Controller,20 Watts Solar Panel Trickle Charging Kit for Cars, Trucks, caravans, Boats, Motorcycles **Brand:** amerteer **Price:** $47.65 **Availability:** ✅ In Stock ## Summary > ☀️ Charge smarter, live freer — power your adventures sustainably! ## Quick Answers - **What is this?** 12V 20W Solar Battery Charger Pro, Built-in MPPT Charge Controller,20 Watts Solar Panel Trickle Charging Kit for Cars, Trucks, caravans, Boats, Motorcycles by amerteer - **How much does it cost?** $47.65 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/515996351-12v-20w-solar-battery-charger-pro-built-in-mppt-charge) ## Best For - amerteer enthusiasts ## Why This Product - Trusted amerteer brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power Up Anywhere:** 20W monocrystalline solar panel delivers fast, efficient charging on the go. - • **Dual USB & DC Ports:** Charge multiple devices simultaneously with Type-C, USB, and 12V alligator clips. - • **Smart MPPT Controller:** Maximizes energy harvest while protecting your battery for longer life. - • **Weatherproof & Durable:** IP65 waterproof design ensures reliable performance rain or shine. - • **Versatile Outdoor Essential:** Perfect for cars, boats, RVs, and emergency backup—never get stranded without power. ## Overview The AMERTEER 12V 20W Solar Battery Charger Pro features a high-efficiency monocrystalline panel with 23-24% conversion rate and a built-in MPPT charge controller for optimal battery health. It offers dual USB ports including Type-C and a 12V DC output via alligator clips, making it ideal for charging vehicles, boats, and outdoor gear. Its IP65 waterproof rating ensures durability in all weather conditions, making it a versatile, eco-friendly power solution for on-the-go professionals and outdoor enthusiasts. ## Description Description:--It can be used as an alternative charger for cars, trucks, caravans, boats, motorcycles, RV batteries or any 12V lead acid battery.--It is waterproof and can be placed outdoors. There are built-in diodes in the alligator clip to help prevent reverse charging. You can install this item in your car and keep charging during the day.--Provides 2 alligator clips and charging cables for all kinds of equipment, emergency lights, advertising lights, traffic lights, electric fans, solar water pumps, motorcycles, boats, etc.--Applicable to mobile phones, mobile power packs, laptops, tablets, GPS, cameras, USB fans, USB lights, etc.Specification:--Size: 21*17.5cm--Power: 20W--USB output: 5V, 2A (maximum)--Solar output: 12V--Solar panel type: solar--Conversion efficiency: 23-24%--Product interface: USB, DCInstructions：1. First, the solar panel surface of the solar panel faces the sun, and the back USB output surface has a red light indicating that the current output is normal.2. Plug the USB 2.0 cable into the USB output port, and the USB output standard 5.0V DC voltage.3. Connect the mated DC alligator clip, and the alligator clip outputs a DC voltage of 12v.Note: The positive and negative crocodile clips cannot be connected or touched during use, which may cause short-term heat or burn the line.Package includes:1x Solar panel ## Features - 🔋☀【Clean Energy Solar Charging Panel】Solar energy, eco-friendly, energy inexhaustible, cost-saving and user-friendly, when you are driving, fishing, climbing, hiking and anywhere you on the go. - 🔋☀【High Crystalline Silicon & High Conversion Rate】High conversion monocrystalline solar panel for s-afe & endurable use higher, generate more energy and perform better than conventional panels in strong sunlight, designed to produce maximum power to charge compatible devices in the least time. - 🔋☀【Ddual USB Charging port】Equipped with dual USB port charging port-1 * type-c c-harging port &1 * car charger, providing you a alligator clip fits to be the power-supplys for different equipment. - 🔋☀【IP65 Waterproof】Lxada Solar Panel Rechargeable, no e-xtra wires and IP65 waterproof ensures it to be used in bad weather, portable and compact design fit for both outdoor and indoor usa. - 🔋☀【Extensive Use & Emergency Charging】Ideally suited for outdoor life, camping, travel, picnic, home emergency and off grid living power outage supplies, perfect and s-afe to use in various applications. ## Product Details - **Brand:** AMERTEER - **Colour:** Black - **Item weight:** 0.66 Pounds - **Output voltage:** 5 Volts - **Specification met:** MPPT ## Images ![12V 20W Solar Battery Charger Pro, Built-in MPPT Charge Controller,20 Watts Solar Panel Trickle Charging Kit for Cars, Trucks, caravans, Boats, Motorcycles - Image 1](https://m.media-amazon.com/images/I/51DQ3Xu7GKL.jpg) ## Frequently Bought Together - AMERTEER 12V 20W Solar Battery Charger Pro, Built-in MPPT Charge Controller,20 Watts Solar Panel Trickle Charging Kit for Cars, Trucks, caravans, Boats, Motorcycles - 30 Amps Lamp Regulator Timer 12V 24VSolar Panels Battery Charge Controller for LED Street Lighting or Solar Home System - 10K Ohm Potentiometer 15mm Shaft - 5 Pieces --- ## 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.us/products/515996351-12v-20w-solar-battery-charger-pro-built-in-mppt-charge](https://www.desertcart.us/products/515996351-12v-20w-solar-battery-charger-pro-built-in-mppt-charge) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-21*