---
product_id: 682395134
title: "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"
brand: "renogy"
price: "R4954"
currency: ZAR
in_stock: true
reviews_count: 6
category: "Renogy"
url: https://www.desertcart.co.za/products/682395134-renogy-dc-to-dc-battery-charger-12v-20a-intelligent-converter
store_origin: ZA
region: South Africa
---

# 20A high-efficiency charging Bluetooth remote control & 365-day data log Advanced multi-layer electronic protection 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

**Brand:** renogy
**Price:** R4954
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smartly — never miss a charge, never lose a beat!

## Quick Answers

- **What is this?** 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 by renogy
- **How much does it cost?** R4954 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/682395134-renogy-dc-to-dc-battery-charger-12v-20a-intelligent-converter)

## 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:** Built-in overload, short circuit, over-temperature, and over-voltage protections keep your system safe and reliable.
- • **Smart Starter Battery Safeguard:** Protects your vehicle battery by charging only when the engine runs, preventing startup damage.
- • **Custom Lithium Battery Activation:** One-touch Li battery activation/deactivation for tailored performance and ultimate control.
- • **Compact & Beginner-Friendly Design:** Wall-mounted, space-saving layout ensures quick, hassle-free installation for any setup.
- • **Bluetooth-Enabled Intelligent Control:** Monitor and adjust charging remotely via app, with a full year of performance data at your fingertips.

## Overview

The Renogy 12V 20A DC to DC Battery Charger is a versatile, intelligent converter designed for RVs, trucks, motorhomes, boats, and commercial vehicles. It supports multiple battery types including Flooded, Gel, AGM, and Lithium, featuring advanced alternator detection, Bluetooth remote management, and comprehensive electronic protections. Compact and easy to install, it ensures efficient, safe charging while providing detailed usage data to optimize battery health and performance.

## Description

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: desertcart.co.uk: Automotive

Review: Great for beginners - Easy to install. Works out of the box.
Review: Battery to battery charger - Excellent item easy to set up and working very well

## 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 |
| Best Sellers Rank | 3,226 in Automotive ( See Top 100 in Automotive ) 34 in Car Battery Charging Units |
| Guaranteed software updates until | unknown |
| Item model number | RBC20D1U-UK |
| Manufacturer | Renogy |
| Product Dimensions | 23.65 x 13.15 x 6.05 cm; 1.5 kg |

## 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

![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 - Image 1](https://m.media-amazon.com/images/I/51t1MT7vweL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/71RySzJ-+iL.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/71aWUirS4qL.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/61rZNRXqzrL.jpg)
![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 - 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

### ⭐⭐⭐⭐⭐ 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

### ⭐⭐⭐⭐⭐ Great piece of kit
*by A***T on 1 May 2025*

Great piece of kit Easy to install Speedy delivery

## 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

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-04*