---
product_id: 648286415
title: "12V 20A/40A DC to DC Battery Charger, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts"
price: "4372 kr"
currency: NOK
in_stock: true
url: https://www.desertcart.no/products/648286415-12v-20a-40a-dc-to-dc-battery-charger-using-multi
store_origin: NO
region: Norway
---

# 40A max charging current Bluetooth remote monitoring Comprehensive multi-layer battery protection 12V 20A/40A DC to DC Battery Charger, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts

**Price:** 4372 kr
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smartly, charge confidently — your dual-battery game changer!

## 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?** 4372 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/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

## Key Features

- • **Robust Safety Features:** Built-in overload, short circuit, over-voltage, and temperature protections safeguard your vehicle’s electrical system effortlessly.
- • **Smart Multi-Stage Charging:** Optimizes battery health with up to 94% efficiency, ensuring your starter and auxiliary batteries stay in peak condition.
- • **Compact & Easy Installation:** Wall-mounted, space-saving design with safe terminal layout makes setup straightforward—even for solar and battery beginners.
- • **Bluetooth Control & Monitoring:** Manage charging parameters and review 365 days of data remotely via the DC Home app for ultimate convenience and insight.
- • **Customizable Li Battery Activation:** One-touch activation/deactivation lets you tailor lithium battery charging to your specific needs, maximizing performance and lifespan.

## Overview

The Renogy 12V 20A/40A DC to DC Battery Charger is a next-gen onboard charger designed for RVs, boats, and commercial vehicles. It features intelligent multi-stage charging with up to 94% efficiency, Bluetooth-enabled remote control and monitoring, and comprehensive electronic protections to safeguard your batteries and vehicle electrical system. Its compact, wall-mounted design simplifies installation, while customizable lithium battery activation ensures optimal performance tailored to your setup.

## Description

Renogy 12V 20A/40A DC to DC Battery Charger, Using Multi-Stage Charging in RVs, Commercial Vehicles, Boats, Yachts : desertcart.ae: Books

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer reviews | 3.9 3.9 out of 5 stars (64) |

## 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)

## 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

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**Shop now:** [https://www.desertcart.no/products/648286415-12v-20a-40a-dc-to-dc-battery-charger-using-multi](https://www.desertcart.no/products/648286415-12v-20a-40a-dc-to-dc-battery-charger-using-multi)

---

*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-09-16*