--- product_id: 37166100 title: "4W Poly Crystalline" brand: "sunway solar" price: "R$610" currency: BRL in_stock: true category: "Sunway Solar" url: https://www.desertcart.com.br/products/37166100-4w-poly-crystalline store_origin: BR region: Brazil --- # 12V Battery Compatibility 4W Monocrystalline Solar Power Built-in Reverse Charging Protection 4W Poly Crystalline **Brand:** sunway solar **Price:** R$610 **Availability:** ✅ In Stock ## Summary > ☀️ Power Up Anywhere, Stay Charged Everywhere! ## Quick Answers - **What is this?** 4W Poly Crystalline by sunway solar - **How much does it cost?** R$610 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/37166100-4w-poly-crystalline) ## Best For - sunway solar enthusiasts ## Why This Product - Trusted sunway solar brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Convenience:** Mounts easily with suction cups and plugs into your car’s cigarette lighter or battery clamps for instant use. - • **Smart Charging Indicator:** LED light confirms charging status while built-in diode prevents reverse current drain. - • **Durable & Weather-Resistant:** Tempered glass and ABS plastic housing ensure long-lasting, low-maintenance performance. - • **Universal 12V Compatibility:** Supports Wet, Gel, SLA, AGM, LiFePO₄, Lithium-Ion & Deep Cycle batteries across all your vehicles. - • **Effortless Solar Maintenance:** Keep your 12V batteries topped off year-round without overcharging or damage. ## Overview The Sunway Solar 4W 12V Trickle Charger is a portable, durable solar panel designed to maintain and safely charge a wide range of 12V batteries. Featuring monocrystalline silicon for efficient energy capture, tempered glass protection, and built-in reverse charging protection, it’s perfect for cars, RVs, boats, motorcycles, and more. Easy to install with suction cups and cigarette lighter plug, it ensures your battery never lets you down—ideal for the on-the-go professional who demands reliability and eco-friendly power. ## Description desertcart.com: Sunway Solar Solar Car Battery Trickle Charger & Maintainer 12V Solar Panel Power Kit Portable for Car Automotive RV Marine Boat Motorcycle Truck Trailer Tractor Powersports Snowmobile Farm Equipment : Patio, Lawn & Garden ## Features - [Solar Panel Power Up To 4W]--Keep your 12 Volt batteries topped off with this solar battery trickle charger ,which helps to manage 12v battery drain in all seasons. Designed to compensate for small, steady battery drains from the vehicle's clock or alarm system. - [Simple And Very Easy to Use]--This solar trickle charger will NOT overcharge the battery or cause any damage if the battery capacity is 20Ah or greater, .The solar charger panel mounts easily to the windshield or dash and conveniently plugs into your car's 12 volt cigarette lighter! Suction cups available with the solar charger. {If you need a Quick Connect And Disconnect Extension Cable For this solar charger,Please search the ASIN:B06X6LJTD6.} - [Stronger and Durable]--This solar powered battery charger is Covered with ultra clear PV glass which is more efficient and also with Durable ABS plastic housing which makes this solar panels charger more stronger. Low Maintenance! - [For Any Rechargeable 12Volt Batteries]--This solar battery trickle charger is the eco-friendly way to maintain and safely charges any 12volt Wet, Gel, SLA,AGM, LiFePO₄,Lithium-Ion and Deep Cycle batteries. It can maintain the charge of any cars, trucks, marines, motorcycles , tractors, ATVs, snowmobiles, boats and personal water crafts or RV 12 volt battery! - [Reverse Charging Protection]--With BUILT-IN DIODE for prevents reverse charging from batteries.With a 12volt LED charge indicator. The Led light up when it is charging. The solar charger maintainer Includes cigarette lighter adapter and alligator battery terminal clamps. We offer 12-Month warranty and good customer service. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MYVUSRH | | Best Sellers Rank | #11,000 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #11 in Solar Battery Chargers & Charging Kits | | Brand Name | Sunway Solar | | Connector Type | Cigarette Lighter Plug, Battery Clamps | | Customer Reviews | 4.2 4.2 out of 5 stars (2,019) | | Included Components | Power Cable | | Item Dimensions L x W x H | 13.9"L x 5"W x 0.5"H | | Item Weight | 1.4 pounds | | Manufacturer | Sunway Solar | | Manufacturer Part Number | SWS-C3W001 | | Material Type | Monocrystalline Silicon, Tempered Glass, Abs Plastic, Aluminum | | Maximum Power | 4 watts | | Maximum Voltage | 12 volts | | Model Number | 4W solar trickle charger for battery | | Number of Items | 1 | | Output Voltage | 12 volts | | UPC | 611550648699 | | Unit Count | 1 Count | ## Product Details - **Brand:** Sunway Solar - **Included Components:** Power Cable - **Item Weight:** 1.4 pounds - **Material:** Monocrystalline Silicon, Tempered Glass, Abs Plastic, Aluminum - **Product Dimensions:** 13.9"L x 5"W x 0.5"H ## Images ![4W Poly Crystalline - Image 1](https://m.media-amazon.com/images/I/71UYd+uk0SS.jpg) ![4W Poly Crystalline - Image 2](https://m.media-amazon.com/images/I/81e1eKftSsS.jpg) ![4W Poly Crystalline - Image 3](https://m.media-amazon.com/images/I/71P+pE4CfBS.jpg) ![4W Poly Crystalline - Image 4](https://m.media-amazon.com/images/I/71VQijIrrCS.jpg) ![4W Poly Crystalline - Image 5](https://m.media-amazon.com/images/I/61FDwEdBS8S.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can i use this 12 volt sports solar charger outdoors?** A: Yes, this 12 V power sports solar charger is weatherproof. But it should not be submerged in water. **Q: Is this unit water proof?** A: The waterproof performance of this sunway solar trickle charger is IP44.The charger can withstand splashing or light rain, but is not fully waterproof and should not be submerged or left outside during rainfall.The solar charger panel can be mounted to the windshield. **Q: How is this solar charger? Does it really waterproof?** A: This trickle battery charger solar charger is weatherproof. But it should not be submerged in water. **Q: can it be in the rain?** A: Ours is for the boat just wipe it after rain or weekly for dust. If that's not an option im sure it will be fine. ## Frequently Bought Together - Sunway Solar Car Battery Trickle Charger & Maintainer 12V Solar Panel Power Kit Portable Backup for Car Automotive RV Marine Boat Motorcycle Truck Trailer Tractor Powersports Snowmobile Farm Equipment - 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.com.br/products/37166100-4w-poly-crystalline](https://www.desertcart.com.br/products/37166100-4w-poly-crystalline) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-08-16*