---
product_id: 360705259
title: "Dual Battery Isolator 12V 140 Amp with Voltage Display Auto & Manual Mode Voltage Sensitive Relay (VSR) Auto Charger Truck Smart Battery Isolator for ATV UTV Truck Marine RV"
brand: "afurkuot"
price: "€ 54.87"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/360705259-dual-battery-isolator-12v-140-amp-with-voltage-display-auto
store_origin: SK
region: Slovakia
---

# Auto/manual dual mode switching Real-time voltage display 140A high current capacity Dual Battery Isolator 12V 140 Amp with Voltage Display Auto & Manual Mode Voltage Sensitive Relay (VSR) Auto Charger Truck Smart Battery Isolator for ATV UTV Truck Marine RV

**Brand:** afurkuot
**Price:** € 54.87
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smartly, never get stranded!

## Quick Answers

- **What is this?** Dual Battery Isolator 12V 140 Amp with Voltage Display Auto & Manual Mode Voltage Sensitive Relay (VSR) Auto Charger Truck Smart Battery Isolator for ATV UTV Truck Marine RV by afurkuot
- **How much does it cost?** € 54.87 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/360705259-dual-battery-isolator-12v-140-amp-with-voltage-display-auto)

## Best For

- afurkuot enthusiasts

## Why This Product

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

## Key Features

- • **Smart Dual Mode Control:** Seamlessly switch between auto and manual modes with a simple long press, giving you full command over your battery system.
- • **Real-Time Voltage Monitoring:** Stay informed with an integrated voltmeter that displays the highest battery voltage instantly, ensuring optimal power management.
- • **Universal Fit for All Adventures:** Compact and lightweight design fits trucks, ATVs, UTVs, marine vessels, and RVs—empowering your journey wherever it takes you.
- • **Built-In Over/Under Voltage Safety:** Protects your batteries by disconnecting circuits below 11V or above 17V, preventing costly damage and downtime.
- • **Voltage Sensitive Relay Protection:** Automatic cut-in at 13.3V and cut-out at 12.8V safeguards your main battery from draining, keeping you road-ready.

## Overview

The Afurkuot Dual Battery Isolator is a compact 12V 140A device featuring auto and manual modes, a built-in voltmeter for real-time voltage display, and a voltage sensitive relay that protects your batteries by automatically connecting or disconnecting circuits based on voltage thresholds. Designed for trucks, ATVs, UTVs, marine, and RV applications, it ensures your main battery stays charged and safe from over-discharge or over-voltage conditions.

## Description

Dual Battery Isolator 12V 140 Amp with Voltage Display Auto & Manual Mode Voltage Sensitive Relay (VSR) Auto Charger Truck Smart Battery Isolator for ATV UTV Truck Marine RV

## Features

- 【Manual State Function】： Long Press the button for 3 seconds, the BLUE led will be On, and the manual mode is on. Press the button each time, you can complete the circuit connection and disconnection. Circuit switched on the red indicator, voltmeter lights up at the same time. Switched off the red indicator, voltmeter lights off.
- 【Auto State Function】： Long press the button for 3 button again, the BLUE led will be Off, the Auto mode is on. Voltage exceed 13.3V: Circuit will be automatically connected. Voltmeter & Indicator ON. Voltmeter lower than 12.7V: Circuit will be automatically disconnected. Voltmeter & Indicator Off.
- 【Voltage Display】： This dual battery isolator is constructed with a voltmeter which will display the real-time voltage. If you connect 2 batteries, then the voltmeter will display the battery that has high voltage. The smart battery isolator is universal fit for truck, UTV/ATV, boat, marine, bus, etc.
- 【Voltage Sensitive Relay】： Cut-in voltage: 13.3V and Cut-out voltage: 12.8V. Ensure the main battery is always charged so that you won’t worry about the the battery will drain out and stuck on the road. Very convenient and safe to use.
- 【Pressure Protection】： Input voltage lower than 11V or Input voltage more than 17V: Circuit will be automatically disconnected so as to protect the main battery from over discharging. Please buy and use the dual battery isolator with confident, and don't hesitate to tell us if you have any questions for the battery isolator.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | I LITTON |
| Brand | Afurkuot |
| Item Weight | 8.4 ounces |
| Product Dimensions | 2.6 x 2.6 x 2.16 inches |
| Manufacturer Part Number | Dual Battery Isolator |
| Lift Type | Manual |

## Product Details

- **Connector Type:** Screw Terminals
- **Contact Material:** Copper
- **Contact Type:** Normally Open
- **Current Rating:** 120 Amps, 140 Amps
- **Mounting Type:** DIN Rail Mount

## Images

![Dual Battery Isolator 12V 140 Amp with Voltage Display Auto & Manual Mode Voltage Sensitive Relay (VSR) Auto Charger Truck Smart Battery Isolator for ATV UTV Truck Marine RV - Image 1](https://m.media-amazon.com/images/I/71qn7adrOXL.jpg)

## Questions & Answers

**Q: Will this work with 12 volt  lithium ion batteries?**
A: Hi dears, thank you so much for interesting in our dual battery isolator.
And it can not work on 12 volt lithium ion batteries.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.sk/products/360705259-dual-battery-isolator-12v-140-amp-with-voltage-display-auto](https://www.desertcart.sk/products/360705259-dual-battery-isolator-12v-140-amp-with-voltage-display-auto)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-07*