--- product_id: 288562858 title: "OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable" brand: "oymsae" price: "€ 166.81" currency: EUR in_stock: true category: "Oymsae" url: https://www.desertcart.gr/products/288562858-oymsae-30w-12v-solar-panel-trickle-charger-maintainer-waterproof-portable store_origin: GR region: Greece --- # Waterproof & durable design 30W trickle charge power 22% high solar conversion OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable **Brand:** oymsae **Price:** € 166.81 **Availability:** ✅ In Stock ## Summary > ☀️ Keep your power flowing, rain or shine—charge smarter, live freer! ## Quick Answers - **What is this?** OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable by oymsae - **How much does it cost?** € 166.81 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/288562858-oymsae-30w-12v-solar-panel-trickle-charger-maintainer-waterproof-portable) ## 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 - • **Plug & Play Versatility for Any Setup:** Includes 3 SAE cables and multiple connectors—effortless installation for cars, motorcycles, boats, RVs, and more. - • **Smart Charging with Zero Overcharge Risk:** Built-in microprocessor ensures safe, intelligent charging—no overcharge, no reverse discharge, just pure power maintenance. - • **Maximize Battery Life with 22% Efficiency:** Harness superior monocrystalline ETFE tech for up to 95% light transmittance—power your 12V battery smarter, not harder. - • **Instant Status Insight with LED Indicators:** Blue, red, green lights keep you in the know—monitor charging progress at a glance and avoid downtime. - • **Rugged Waterproof Build for All Adventures:** CPB bottom plate and PET material protect your panel from the elements—durability that keeps pace with your lifestyle. ## Overview The OYMSAE 30W 12V Solar Panel Trickle Charger is a portable, waterproof solar maintainer designed for 12V batteries. Featuring a high 22% conversion efficiency with monocrystalline ETFE cells, it delivers safe, intelligent trickle charging with built-in microprocessor protection. Its LED indicators provide real-time charging status, while versatile SAE connectors enable easy plug-and-play use across vehicles and marine applications. Lightweight yet rugged, this solar panel ensures reliable battery maintenance wherever your journey takes you. ## Description desertcart.com: OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable | Solar charging kit with alligator clips,cigarette lighter plug, compated with car, motorcycle, boat,RV,truck,marine battery : 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 | |---------------|-------| | AC Adapter Current | 1.11 A | | ASIN | B08N4SBDB3 | | Amperage Capacity | 1.11 A | | Best Sellers Rank | #34,924 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #22 in Solar Battery Chargers & Charging Kits | | Brand | OYMSAE | | Brand Name | OYMSAE | | Connector Type | Barrel Connector | | Customer Reviews | 4.3 out of 5 stars 728 Reviews | | Included Components | 1pc solar panel | | Item Dimensions L x W x H | 16.1"L x 0.67"W x 11.4"H | | Item Highlight | Solar charging kit with alligator clips,cigarette lighter plug, compated with car, motorcycle, boat,RV,truck,marine battery | | Item Weight | 1.6 pounds | | Manufacturer | OYMSAE | | Manufacturer Part Number | PO-M30W | | Manufacturer Warranty Description | 2 Year Manufacturer | | Material | PET | | Material Type | PET | | Maximum Power | 20 watts | | Maximum Voltage | 18 volts | | Model Number | PO-M30W | | Number of Items | 1 | | Output Voltage | 12 volts | | Product Dimensions | 16.1"L x 0.67"W x 11.4"H | | Special Features | Lightweight Design | | UPC | 884017577775 | | Unit Count | 1 Count | ## Product Details - **Brand:** OYMSAE - **Included Components:** 1pc solar panel - **Item Weight:** 1.6 pounds - **Material:** PET - **Product Dimensions:** 16.1"L x 0.67"W x 11.4"H ## Images ![OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable - Image 1](https://m.media-amazon.com/images/I/712Z+wiu8eL.jpg) ![OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable - Image 2](https://m.media-amazon.com/images/I/7190w4h2AJL.jpg) ![OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable - Image 3](https://m.media-amazon.com/images/I/81jxK8ik9FL.jpg) ![OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable - Image 4](https://m.media-amazon.com/images/I/61FT+gBubRL.jpg) ![OYMSAE 30W 12V Solar Panel Trickle Charger Maintainer Waterproof Portable - Image 5](https://m.media-amazon.com/images/I/81yCvUpkwLL.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.gr/products/288562858-oymsae-30w-12v-solar-panel-trickle-charger-maintainer-waterproof-portable](https://www.desertcart.gr/products/288562858-oymsae-30w-12v-solar-panel-trickle-charger-maintainer-waterproof-portable) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-23*