---
product_id: 743513127
title: "12V 20A DC-DC Battery Charger with LiFePO4 Activation, Waterproof Smart Battery Charger Compatibility with Flooded, Gel, AGM, and Lithium Batteries for RV Marine Truck All Weather"
brand: "renogy rego"
price: "€ 309.37"
currency: EUR
in_stock: true
category: "Renogy Rego"
url: https://www.desertcart.sk/products/743513127-12v-20a-dc-dc-battery-charger-with-lifepo4-activation-waterproof
store_origin: SK
region: Slovakia
---

# 20A max charging current Waterproof for all-weather use Compatible with LiFePO4 & multiple battery types 12V 20A DC-DC Battery Charger with LiFePO4 Activation, Waterproof Smart Battery Charger Compatibility with Flooded, Gel, AGM, and Lithium Batteries for RV Marine Truck All Weather

**Brand:** renogy rego
**Price:** € 309.37
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up smartly, stay charged confidently!

## Quick Answers

- **What is this?** 12V 20A DC-DC Battery Charger with LiFePO4 Activation, Waterproof Smart Battery Charger Compatibility with Flooded, Gel, AGM, and Lithium Batteries for RV Marine Truck All Weather by renogy rego
- **How much does it cost?** € 309.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/743513127-12v-20a-dc-dc-battery-charger-with-lifepo4-activation-waterproof)

## Best For

- renogy rego enthusiasts

## Why This Product

- Trusted renogy rego brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Advanced Safety Shield:** Comprehensive electronic protections guard against overload, short circuits, over-temperature, and over-voltage.
- • **Compact Wall-Mounted Design:** Sleek, space-saving layout with safe terminal spacing for easy installation and zero short-circuit risk.
- • **One-Touch LiFePO4 Activation:** Intelligent lithium battery activation with simple on/off control tailored to your power needs.
- • **Bluetooth-Enabled Remote Control:** Optional BT-2 module lets you monitor and adjust charging remotely via the RENOGY DC Home app, with 365-day data logging.
- • **Smart Starter Battery Protection:** Built-in alternator detection ensures charging only when the engine runs, safeguarding your starter battery from damage.

## Overview

This 12V 20A DC-DC battery charger is a rugged, waterproof solution designed for RVs, marine, and trucks. It supports Flooded, Gel, AGM, and LiFePO4 batteries with intelligent charging modes, starter battery protection, and optional Bluetooth control for remote monitoring and management.

## Description

desertcart.com: RENOGY REGO 12V 20A DC-DC Battery Charger with LiFePO4 Activation, Waterproof Smart Battery Charger Compatibility with Flooded, Gel, AGM, and Lithium Batteries for RV Marine Truck All Weather : Sports & Outdoors

## Features

- 𝐒𝐚𝐟𝐞𝐠𝐮𝐚𝐫𝐝 𝐭𝐡𝐞 𝐒𝐭𝐚𝐫𝐭𝐞𝐫 𝐁𝐚𝐭𝐭𝐞𝐫𝐲: This onboard 12V dc to dc battery 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, RV battery charger 𝐬𝐰𝐢𝐟𝐭𝐥𝐲 𝐚𝐝𝐣𝐮𝐬𝐭𝐬 the charging mode, guaranteeing no harm to the starter battery
- 𝐒𝐢𝐦𝐩𝐥𝐞 𝐚𝐧𝐝 𝐂𝐨𝐦𝐩𝐚𝐜𝐭 𝐋𝐚𝐲𝐨𝐮𝐭-The second generation DC battery charger adopts a 𝐰𝐚𝐥𝐥-𝐦𝐨𝐮𝐧𝐭𝐞𝐝 𝐝𝐞𝐬𝐢𝐠𝐧, simple yet efficient, facilitating easy installation for solar beginners. Dc to dc charger 12v lifepo4 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
- 𝐋𝐢 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐀𝐜𝐭𝐢𝐯𝐚𝐭𝐢𝐨𝐧 𝐎𝐧/𝐎𝐟𝐟: RENOGY REGO 20A 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
- 𝐂𝐨𝐦𝐩𝐥𝐞𝐭𝐞 𝐞𝐥𝐞𝐜𝐭𝐫𝐨𝐧𝐢𝐜 𝐩𝐫𝐨𝐭𝐞𝐜𝐭𝐢𝐨𝐧-Dc to Dc lifepo4 charger adopts advanced protection technology, ensuring comprehensive safety for your vehicle. Marine battery charger 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
- 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐭 𝐁𝐥𝐮𝐞𝐭𝐨𝐨𝐭𝐡 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 (𝐑𝐞𝐪𝐮𝐢𝐫𝐞𝐬 𝐨𝐩𝐭𝐢𝐨𝐧𝐚𝐥 𝐁𝐓-𝟐 𝐁𝐥𝐮𝐞𝐭𝐨𝐨𝐭𝐡 𝐦𝐨𝐝𝐮𝐥𝐞)- Add the advanced BT-2 Bluetooth module (𝐬𝐨𝐥𝐝 𝐬𝐞𝐩𝐚𝐫𝐚𝐭𝐞𝐥𝐲) to enable remote control of charging parameters via the 𝐑𝐄𝐍𝐎𝐆𝐘 DC Home app. Additionally, this 12V to 12V battery charger records up to 𝟑𝟔𝟓 days of data for comprehensive ecosystem monitoring

## Product Details

- **Brand:** RENOGY REGO
- **Color:** Black
- **Product Dimensions:** 2.3"D x 9.31"W x 5.17"H
- **Output Voltage:** 12 Volts (DC)
- **Input Voltage:** 16 Volts

## Images

![12V 20A DC-DC Battery Charger with LiFePO4 Activation, Waterproof Smart Battery Charger Compatibility with Flooded, Gel, AGM, and Lithium Batteries for RV Marine Truck All Weather - Image 1](https://m.media-amazon.com/images/I/51t1MT7vweL.jpg)

## Available Options

This product comes in different **Model** 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，FLD，GEL，SLD our charger also features a custom mode, which can be adjusted according to the specific needs of different batteries to ensure optimal charging performance.

**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.

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**Shop now:** [https://www.desertcart.sk/products/743513127-12v-20a-dc-dc-battery-charger-with-lifepo4-activation-waterproof](https://www.desertcart.sk/products/743513127-12v-20a-dc-dc-battery-charger-with-lifepo4-activation-waterproof)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-08*