--- product_id: 648286415 title: "12V 20A/40A DC to DC Battery Charger, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts" price: "£180.48" currency: GBP in_stock: true reviews_count: 5 url: https://www.desertcart.co.uk/products/648286415-12v-20a-40a-dc-to-dc-battery-charger-using-multi store_origin: GB region: United Kingdom --- # 12V 20A/40A DC to DC Battery Charger, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts **Price:** £180.48 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** 12V 20A/40A DC to DC Battery Charger, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts - **How much does it cost?** £180.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/648286415-12v-20a-40a-dc-to-dc-battery-charger-using-multi) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Introducing Renogy 12V 40A DC to DC Battery Charger, the second generation of the DCC series. This innovation offers the ultimate driving charging experience with smart control. Compatible with smart and traditional generators, this 12V onboard battery charger ensures efficient energy utilization while safeguarding vehicle batteries. With multiple electronic protections, the product offers a reliable driving charging experience, achieving up to 94% charging efficiency. Integrated with intelligent charging logic, it seamlessly optimizes charging processes. Furthermore, with the remote monitoring feature via the app, you can easily keep track of the generator system's status. Elevate your driving charging experience with Renogy, whether you're exploring the great outdoors or living the van life, it is your dependable companion. Review: Excellent performer Review: Easy to install ## 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 | |---------------|-------| | Customer reviews | 3.8 3.8 out of 5 stars (48) | ## Product Details - **Brand:** Renogy - **Color:** Grey - **Input Voltage:** 16 Volts - **Output Voltage:** 12 Volts - **Product Dimensions:** 6"D x 9.31"W x 2.36"H ## Images ![12V 20A/40A DC to DC Battery Charger, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts - Image 1](https://m.media-amazon.com/images/I/515q7rAKn-L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent performer *by D***S on 4 November 2025* ### ⭐⭐⭐⭐⭐ Easy to install *by M***E on 19 June 2025* ### ⭐ All GRAY models are Defective. (According to Renogy) *by M***P on 27 April 2025* ## Frequently Bought Together - Renogy 12V 40A DC to DC Battery Charger, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts - Renogy 500A Battery Monitor with Shunt, High and Low Voltage Programmable Alarm, Range 10V-120V up to 500A, 20ft Shielded Cable, Compatible 12V Lithium Sealed, Gel, Flooded Batteries,Black --- ## 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.co.uk/products/648286415-12v-20a-40a-dc-to-dc-battery-charger-using-multi](https://www.desertcart.co.uk/products/648286415-12v-20a-40a-dc-to-dc-battery-charger-using-multi) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*