--- product_id: 682395134 title: "DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts" brand: "renogy" price: "$241.81" currency: USD in_stock: true reviews_count: 7 category: "Renogy" url: https://www.desertcart.us/products/682395134-dc-to-dc-battery-charger-12v-20a-intelligent-converter-flooded store_origin: US region: United States of America --- # 20A high-current output Bluetooth remote control & data logging Full electronic protection suite DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts **Brand:** renogy **Price:** $241.81 **Availability:** ✅ In Stock ## Summary > 🔋 Power up smart, stay charged smarter! ## Quick Answers - **What is this?** DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts by renogy - **How much does it cost?** $241.81 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/682395134-dc-to-dc-battery-charger-12v-20a-intelligent-converter-flooded) ## Best For - renogy enthusiasts ## Why This Product - Trusted renogy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Robust Safety Features:** Overload, short circuit, over-temperature, and over-voltage protections keep your system safe and efficient. - • **Seamless Bluetooth Control:** Adjust charging settings and monitor performance remotely via the DC Home app for ultimate convenience. - • **Advanced Multi-Stage Charging:** Optimizes battery health with bulk, constant voltage, float, and equalization stages for all 12V battery types. - • **Smart Starter Battery Safeguard:** Protects your vehicle battery by charging only when the engine runs, preventing startup damage. - • **Compact & Beginner-Friendly Design:** Wall-mounted, space-saving layout ensures easy installation even for solar novices. ## Overview The Renogy 12V 20A DC to DC Battery Charger is a versatile, intelligent converter designed for RVs, trucks, boats, and more. It supports flooded, gel, AGM, and lithium batteries with up to 94% charging efficiency. Featuring built-in alternator detection, Bluetooth remote control, and comprehensive electronic protections, it ensures safe, efficient, and customizable charging on the go. Compact and easy to install, it’s perfect for professionals seeking reliable power management in mobile environments. ## Description Product Description Compatible with smart and traditional generators, this NEW DC-DC battery charger supports smart control and ensures efficient energy utilization while safeguarding vehicle batteries. The product achieves up to 94% charging efficiency with multiple electronic protections. When installing the DC-DC battery charger, are there any precautions I need to be aware of? First, installing the charger horizontal will improve venting and heat dissipation of the charger. Additionally, positioning the DC-DC charger nearer the service battery is advised. When installing the DC-DC battery charger, are there any precautions I need to be aware of? First, installing the charger horizontal will improve venting and heat dissipation of the charger. Additionally, positioning the DC-DC charger nearer the service battery is advised. What types of batteries can the charger be used for? Our charger is compatible with the following 12V battery types by default: AGM (Absorbent Glass Mat) FLD (Flooded Lead-acid) GEL (Gelled Electrolyte) SLD (Sealed Lead-acid). What types of batteries can the charger be used for? Our charger is compatible with the following 12V battery types by default: AGM (Absorbent Glass Mat) FLD (Flooded Lead-acid) GEL (Gelled Electrolyte) SLD (Sealed Lead-acid). How does the charger have communication functionality? To enable communication, purchase the RENOGY BT-2 Bluetooth module and connect it to the charger's communication port. This will establish communication with mobile terminals like DC Home and Core, granting access to crucial data. How does the charger have communication functionality? To enable communication, purchase the RENOGY BT-2 Bluetooth module and connect it to the charger's communication port. This will establish communication with mobile terminals like DC Home and Core, granting access to crucial data. What stages of charging logic do smart chargers typically include? Smart chargers typically feature a four-stage charging logic design, encompassing the bulk charge stage, constant voltage stage, float charge stage, and equalization stage. These stages ensure that batteries can be charged safely and efficiently. What stages of charging logic do smart chargers typically include? Smart chargers typically feature a four-stage charging logic design, encompassing the bulk charge stage, constant voltage stage, float charge stage, and equalization stage. These stages ensure that batteries can be charged safely and efficiently. Renogy Off-grid Solutions 300Ah 12V LiFePO4 Battery 100Ah 12V LiFePO4 Battery 200Ah 12V LiFePO4 Battery 3000W 12V-240V Inverter 2000W 12V-240V Inverter Review: As described - As described and a nice cost effective upgrade for our camper Review: Great for beginners - Easy to install. Works out of the box. ## Features - 【Safeguard the Starter Battery】This onboard 12V DCC Charger not only features built-in alternator running detection to ensure charging only occurs when the engine is running, protecting the vehicle battery, but also boasts intelligent charging strategies. Even during the instant of vehicle startup, it swiftly adjusts the charging mode, guaranteeing no harm to the starter battery. - 【Simple and Compact Layout】The second generation DCC charger adopts a wall-mounted design, simple yet efficient, facilitating easy installation for solar beginners. Its unique internal layout ensures a safe distance between the input and output power terminals, effectively avoiding the risk of positive and negative pole short circuits. - 【Intelligent Bluetooth Control】With the advanced BT-2 Bluetooth module, this DCC charger enables remote control of charging parameters via the DC Home app and Renogy One Core. Additionally, it records up to 365 days of data for comprehensive ecosystem monitoring. - 【Complete electronic protection】Renogy 12V DC to DC Battery Charger adopts advanced protection technology, ensuring comprehensive safety for your vehicle. It effectively prevents overload, short circuits, and handles challenges like over-temperature and over-voltage effortlessly. Even in high-temperature environments, it intelligently adjusts output power, ensuring efficient and safe charging. - 【Li Battery Activation On/Off】Renogy DCC battery charger features intelligent Li battery activation, ensuring optimal battery performance. Meanwhile, considering users' personalized needs, a simple one-touch operation allows easy activation and deactivation of this feature, giving you complete control over the battery's status. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DPMDXCDP | | Amperage | 20 Amps | | Best Sellers Rank | 3,115 in Automotive ( See Top 100 in Automotive ) 32 in Car Battery Charging Units | | Brand | Renogy | | Brand Name | Renogy | | Colour | black | | Compatible Devices | Vehicle batteries (flooded, gel, AGM, lithium), RVs, trucks, motorhomes, commercial vehicles, boats, yachts | | Connector Types | Hardwired/Terminal-based | | Country of Origin | China | | Current Rating | 20 Amps | | Customer Reviews | 4.5 out of 5 stars 18 Reviews | | Item Dimensions D x W x H | 23.7D x 13.2W x 6.1H centimetres | | Item Weight | 1.5 Kilograms | | Item weight | 1.5 Kilograms | | Manufacturer | Renogy | | Manufacturer Part Number | RBC20D1U-UK | | Model Number | RBC20D1U-UK | | Output Voltage | 12 Volts (DC) | | Output voltage | 12 Volts (DC) | | Product Warranty | 2-year material and workmanship warranty | | Product dimensions | 23.7D x 13.2W x 6.1H centimetres | | Specification Met | CE/RoHS/FCC | | Specification met | CE/RoHS/FCC | | UPC | 840315221819 | | Unit Count | 1.0 count | ## Product Details - **Brand:** Renogy - **Colour:** black - **Item weight:** 1.5 Kilograms - **Output voltage:** 12 Volts (DC) - **Product dimensions:** 23.7D x 13.2W x 6.1H centimetres ## Images ![DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts - Image 1](https://m.media-amazon.com/images/I/51t1MT7vweL.jpg) ![DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts - Image 2](https://m.media-amazon.com/images/I/71RySzJ-+iL.jpg) ![DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts - Image 3](https://m.media-amazon.com/images/I/71aWUirS4qL.jpg) ![DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts - Image 4](https://m.media-amazon.com/images/I/61rZNRXqzrL.jpg) ![DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts - Image 5](https://m.media-amazon.com/images/I/717ybwh5RQL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: When installing the DC-DC battery charger, are there any precautions I need to be aware of?** A: First, installing the charger horizontal will improve venting and heat dissipation of the charger. Additionally, positioning the DC-DC charger nearer the service battery is advised. **Q: What types of batteries can the charger be used for?** A: Our charger is compatible with the following 12V battery types by default: AGM (Absorbent Glass Mat) FLD (Flooded Lead-acid) GEL (Gelled Electrolyte) SLD (Sealed Lead-acid). **Q: How does the charger have communication functionality?** A: To enable communication, purchase the RENOGY BT-2 Bluetooth module and connect it to the charger's communication port. This will establish communication with mobile terminals like DC Home and Core, granting access to crucial data. **Q: What stages of charging logic do smart chargers typically include?** A: Smart chargers typically feature a four-stage charging logic design, encompassing the bulk charge stage, constant voltage stage, float charge stage, and equalization stage. These stages ensure that batteries can be charged safely and efficiently. ## Customer Reviews ### ⭐⭐⭐⭐⭐ As described *by S***N on 14 June 2026* As described and a nice cost effective upgrade for our camper ### ⭐⭐⭐⭐⭐ Great for beginners *by P***F on 13 January 2026* Easy to install. Works out of the box. ### ⭐⭐⭐⭐⭐ Battery to battery charger *by A***R on 8 May 2025* Excellent item easy to set up and working very well ## Frequently Bought Together - Renogy DC to DC Battery Charger 12V 20A, Intelligent Converter for Flooded, Gel, AGM, and Lithium Batteries, for RVs, Truck, Motorhome, Commercial Vehicles, Boats and Yachts - Bolatus Battery Isolator Switch, 12-24-48 V, 1-2-Both-Off, 275 A Master Power Disconnect for Car, Lorry, Boat, Yacht, Caravan, Motorcycle --- ## 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/682395134-dc-to-dc-battery-charger-12v-20a-intelligent-converter-flooded](https://www.desertcart.us/products/682395134-dc-to-dc-battery-charger-12v-20a-intelligent-converter-flooded) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-29*