--- product_id: 44985450 title: "20 Watt Solar Panel Sunpower 18V 12V Portable Solar Panel Charger Bendable Thin Lightweight Solar Panel Battery Charger for RV, Car, Motorcycle, Boat Solar Module" brand: "tcxw" price: "€ 83.67" currency: EUR in_stock: true url: https://www.desertcart.pt/products/44985450-20-watt-solar-panel-sunpower-18v-12v-portable-solar-panel store_origin: PT region: Portugal --- # 20 Watt Solar Panel Sunpower 18V 12V Portable Solar Panel Charger Bendable Thin Lightweight Solar Panel Battery Charger for RV, Car, Motorcycle, Boat Solar Module **Brand:** tcxw **Price:** € 83.67 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** 20 Watt Solar Panel Sunpower 18V 12V Portable Solar Panel Charger Bendable Thin Lightweight Solar Panel Battery Charger for RV, Car, Motorcycle, Boat Solar Module by tcxw - **How much does it cost?** € 83.67 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/44985450-20-watt-solar-panel-sunpower-18v-12v-portable-solar-panel) ## Best For - tcxw enthusiasts ## Why This Product - Trusted tcxw brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description High Conversion EfficiencyThe product is designed to provide free electricity supply for charging your car battery or other 12V battery, it utilizes the powerful Sunpower Solar Cell with a high efficiency conversion rate to maximize the usage of available sunlight. Perfect for all kinds of small power appliances, efficient SunPower solar panel for your field work to provide strong power protection.Versatile 20W SunPower Solar PanelThe solar charger has a high solar cell efficiency of 22.5%, and output voltage of 18V with 20W of energy, perfect solution for charging the batteries of automobiles, motorcycles, snowmobiles, boats, or even tractors when the battery is power shortage.Specifications: Color: Black Material: SunPower cells Size: 420mm x 280mm x 2.5mm(16.5in x 11in x 0.098in) Power: 20W Voltage:18V Output current: 1100mA(ideal condition) ISC: 1.3A Voc: 21V Maximum system voltage: 700V Junction Box: IP67 Rated Operating temperature: -40°C +85°C Cable: Approx 350cm 12V alligator clip cable Note: 1. The plastic film is used to protect the panel, for better results, please put the product surface protective film removed before use. 2. Best working time:9:00AM-5:00PM. 3. Be sure to note when using the product is negative and the positive must be consistent with the charging products. 4. If no professionals, please do not go trying to change the product. Package Including: 1 x 20W Solar Panel With Approx 3.5m alligator clip cable ## Features - SUNPOWER SOLAR CELL: With efficiency up to 22% or higher, while most monocrystalline panels in the market is 17%-19%, which enable 25-30% higher power generation than the conventional PV modules at the same size, you will get greater power efficiency even though the panel is no larger than a traditional model. - HIGH QUALITY: Made of Industrial-strength PET polymer and SunPower solar cells, this unit charges in all daylight conditions, even on cloudy days.（but we suggest to use it in sunlight condition） - BUILT-IN BLOCKING DIODE: Constructed with a built-in blocking diode to prevent reverse discharge at night, perfect to maintaining the battery effect, extending its usage life. - EASY TO USE: Just use the included alligator clips to connect it directly to the battery and position the panel to pick up the most daylight possible. - MULTI-PURPOSE: Suitable for 12 Volts lead-acid batteries, car, motorcycles, RV, boats, emergency lights, advertising lights, home lights, solar water pumps, small solar systems, etc. ## Images ![20 Watt Solar Panel Sunpower 18V 12V Portable Solar Panel Charger Bendable Thin Lightweight Solar Panel Battery Charger for RV, Car, Motorcycle, Boat Solar Module - Image 1](https://images-na.ssl-images-amazon.com/images/I/41hxgs-dIoL.jpg) ![20 Watt Solar Panel Sunpower 18V 12V Portable Solar Panel Charger Bendable Thin Lightweight Solar Panel Battery Charger for RV, Car, Motorcycle, Boat Solar Module - Image 2](https://images-na.ssl-images-amazon.com/images/I/41ApQGfg%2B%2BL.jpg) ![20 Watt Solar Panel Sunpower 18V 12V Portable Solar Panel Charger Bendable Thin Lightweight Solar Panel Battery Charger for RV, Car, Motorcycle, Boat Solar Module - Image 3](https://images-na.ssl-images-amazon.com/images/I/51%2BZCEpgdUL.jpg) ![20 Watt Solar Panel Sunpower 18V 12V Portable Solar Panel Charger Bendable Thin Lightweight Solar Panel Battery Charger for RV, Car, Motorcycle, Boat Solar Module - Image 4](https://images-na.ssl-images-amazon.com/images/I/61afn1iaFyL.jpg) ![20 Watt Solar Panel Sunpower 18V 12V Portable Solar Panel Charger Bendable Thin Lightweight Solar Panel Battery Charger for RV, Car, Motorcycle, Boat Solar Module - Image 5](https://images-na.ssl-images-amazon.com/images/I/61nqm1imnEL.jpg) --- ## 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/44985450-20-watt-solar-panel-sunpower-18v-12v-portable-solar-panel](https://www.desertcart.pt/products/44985450-20-watt-solar-panel-sunpower-18v-12v-portable-solar-panel) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-18*