--- product_id: 288562858 title: "30W 12V Portable Waterproof Solar Panel Trickle Charger & Maintainer" brand: "oymsae" price: "€ 183.55" currency: EUR in_stock: true category: "Oymsae" url: https://www.desertcart.hr/products/288562858-30w-12v-portable-waterproof-solar-panel-trickle-charger-and-maintainer store_origin: HR region: Croatia --- # Waterproof & durable design Intelligent battery protection tech 30W high-efficiency solar power 30W 12V Portable Waterproof Solar Panel Trickle Charger & Maintainer **Brand:** oymsae **Price:** € 183.55 **Availability:** ✅ In Stock ## Summary > ☀️ Keep your ride charged and ready—solar power that works as hard as you do! ## Quick Answers - **What is this?** 30W 12V Portable Waterproof Solar Panel Trickle Charger & Maintainer by oymsae - **How much does it cost?** € 183.55 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/288562858-30w-12v-portable-waterproof-solar-panel-trickle-charger-and-maintainer) ## Best For - oymsae enthusiasts ## Why This Product - Trusted oymsae brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rugged & Ready:** Waterproof, lightweight, and impact-resistant design built for all your outdoor adventures - • **Plug & Play Freedom:** Versatile SAE cables with cigarette lighter & alligator clips for effortless setup anywhere - • **Sun-Powered Precision:** 30W monocrystalline panel with 22% conversion for max solar efficiency - • **Instant Charge Insight:** Multi-color LED indicators keep you informed on charging status at a glance - • **Smart Battery Guardian:** Built-in microprocessor prevents overcharging & reverse discharge for battery longevity ## Overview The OYMSAE 30W 12V Solar Trickle Charger Maintainer is a portable, waterproof solar panel kit designed to efficiently maintain 12V batteries for cars, RVs, boats, and motorcycles. Featuring a high 22% conversion rate monocrystalline panel, intelligent microprocessor protection to prevent overcharging and reverse discharge, and easy plug-and-play connectivity with multiple cable options, it ensures reliable, low-cost battery maintenance wherever you go. ## Description desertcart.com: OYMSAE 30W 12V Solar Trickle Charger Maintainer, Waterproof Portable Solar Panel Battery Charger Kit with Cigarette Lighter Plug & Alligator Clips for Car, RV, Truck, Boat, Motorcycle, Marine : Cell Phones & Accessories ## Features - 22 % High Conversion Rate:Monocrystalline solar battery charger use ETFE , with a light transmittance of up to 95 %. The 30 W trickle charging mode is an ideal choice for low-cost maintenance of your 12 V battery power - Intelligent Protection:Combined with built-in charging microprocessor technology, it will not overcharge the battery when fully charged during the day, and prevent the battery from reverse discharge at night - Charging Visualization:The indicator lights are used to help you understand the charging status: the blue light is on (in the sun), the red light is on (charging), the green light is on (charging completed), three indicator lights are off (a short circuit occurs). You can check the connection in time when the solar energy fails - Plug and Play:The three -pieces SAE cable included with the solar panel kit allows you to have more choices in charging methods. Plug and play, even for inexperienced novices, fast connection can be achieved - Sturdy and Durable:Waterproof solar trickle charger, adding CPB as the bottom plate, reducing the risk of reducing the efficiency of the solar panel due to panel breakage ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08N4SBDB3 | | Amperage Capacity | 1.76 A | | Best Sellers Rank | #49,828 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #26 in Solar Battery Chargers & Charging Kits | | Brand Name | OYMSAE | | Connector Type | Barrel Connector | | Customer Reviews | 4.3 4.3 out of 5 stars (728) | | Efficiency | High Efficiency | | Included Components | cable,power cord | | Item Dimensions L x W x H | 21.2"L x 13.6"W x 0.79"H | | Item Weight | 2 pounds | | Manufacturer | OYMSAE | | Manufacturer Part Number | PO-M30W | | Manufacturer Warranty Description | 2 Year Manufacturer | | Material Type | Monocrystalline Silicon | | Maximum Power | 30 watts | | Maximum Voltage | 12 volts | | Model Number | PO-M30W | | Output Voltage | 12 volts | | Special Features | Lightweight Design | | UPC | 884017577775 | | Unit Count | 1 Count | ## Product Details - **Brand:** OYMSAE - **Efficiency:** High Efficiency - **Item Weight:** 2 pounds - **Material:** Monocrystalline Silicon - **Product Dimensions:** 21.2"L x 13.6"W x 0.79"H ## Images ![30W 12V Portable Waterproof Solar Panel Trickle Charger & Maintainer - Image 1](https://m.media-amazon.com/images/I/71DWwUK7NWL.jpg) ![30W 12V Portable Waterproof Solar Panel Trickle Charger & Maintainer - Image 2](https://m.media-amazon.com/images/I/71GxCcV7WoL.jpg) ![30W 12V Portable Waterproof Solar Panel Trickle Charger & Maintainer - Image 3](https://m.media-amazon.com/images/I/81kigYP9rkL.jpg) ![30W 12V Portable Waterproof Solar Panel Trickle Charger & Maintainer - Image 4](https://m.media-amazon.com/images/I/81glmAZPSpL.jpg) ![30W 12V Portable Waterproof Solar Panel Trickle Charger & Maintainer - Image 5](https://m.media-amazon.com/images/I/81WbG2pZkKL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Will this solar charger revive a completely dead car battery?** A: Designed for 12V trickle charging/maintenance, it prevents discharge but can't revive sulfation-damaged batteries from long-term drainage. Optimal use requires 6V+ residual voltage. **Q: How to confirm if it works with my vehicle?** A: Compatible with all 12V lead-acid/AGM/LiFePO4 batteries (cars/boats/RVs). Our 30W upgraded model handles larger batteries up to 150Ah. Just connect via SAE port - zero wiring expertise required. **Q: Does it drain power when not in sunlight?** A: The zero-night-drain controller terminates charging at sunset and activates reverse current blockade. Energy loss is 85% lower than basic models according to lab tests. **Q: What makes your charger safer than cheap alternatives?** A: Features include ✓ ETFE-coated monocrystalline cells (IP67 waterproof) ✓ Triple-protection IC: Overcharge/Short-circuit/Reverse polarity ✓ CPB impact-resistant base (tested for 50km/h debris collisions) **Q: How long to charge a standard SUV battery?** A: ▸ 30W model: Fully charges 80Ah battery in ~5 days (2-4% daily trickle) ▸ For faster charging, pair with our 45W PRO Series (ideal for RVs/campers) ## Frequently Bought Together - OYMSAE 30 Watt 12 Volt Solar Panel Solar Trickle Charger 30W 12V Portable Solar Battery Charger & maintainer with Cigarette Lighter Plug & Alligator Clip - 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/288562858-30w-12v-portable-waterproof-solar-panel-trickle-charger-and-maintainer](https://www.desertcart.hr/products/288562858-30w-12v-portable-waterproof-solar-panel-trickle-charger-and-maintainer) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-09*