---
product_id: 80308721
title: "Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems"
brand: "keenso"
price: "€ 62.35"
currency: EUR
in_stock: true
url: https://www.desertcart.gr/products/80308721-keenso-voltage-sensitive-relay-battery-isolator-dual-intelligent-isolation-125a
store_origin: GR
region: Greece
---

# 140A heavy-duty current capacity Flexible panel or surface mount installation Fiberglass reinforced nylon for durability Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems

**Brand:** keenso
**Price:** € 62.35
**Availability:** ✅ In Stock

## Summary

> 🔋 Keep your dual-battery system charged and ready—because downtime is not an option!

## Quick Answers

- **What is this?** Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems by keenso
- **How much does it cost?** € 62.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/80308721-keenso-voltage-sensitive-relay-battery-isolator-dual-intelligent-isolation-125a)

## Best For

- keenso enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Fiberglass reinforced nylon housing resists aging and abrasion for long-term reliability
- • **Install Your Way:** Versatile mounting options for easy, no-fuss setup in any vehicle
- • **Peace of Mind Guaranteed:** Backed by responsive 24-hour customer support and product warranty
- • **Smart Battery Management:** Automatically charges your secondary battery only when the starter battery is sufficiently charged
- • **Power Up Without Compromise:** 140A dual battery isolator ensures seamless charging without voltage loss

## Overview

The Keenso VSR Voltage Sensitive Relay is a 12V, 140A dual battery isolator designed for dual battery vehicles. It features flexible mounting options, a durable fiberglass reinforced nylon build, and smart automatic charging that prevents voltage loss. Ideal for ensuring reliable starts and efficient battery management, it comes with a product guarantee and dedicated customer support.

## Description

Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems

## Features

- 【Easy Installation】The 12V VSR voltage sensitive relay with or panel mount options, which provides flexibility during installation. No voltage loss compared to battery isolator diodes (0.6V). Combined/Open Voltage: DC 13.3V/12.8V
- 【140 Amp Dual Battery Isolator Smart Isolator】 The voltage sensitive relay of the dual battery isolator is all you need to battery systems. Its dimensions fit heavy-duty modular boxes (BF43X) and battery switches, which correspond to common products on the market.
- 【Premium Quality】The voltage sensitive charging relay is made of fiberglass reinforced nylon, sturdy and It is not easy to age and abrasion resistant, ensures maximum strength and durability for long lasting use.
- 【IDEAL FOR DUAL BATTERY VEHICLES】140A 12V Voltage Sensitive Split Relay Kit (VSR) is the best way to ensure that you can always start your dual battery vehicle. Once your main starter battery is sufficiently charged, it will start charging the second battery.
- 【WHAT YOU WILL GET】We stand behind all our items with a product guarantee and are committed to providing you with the best customer service. If you have any problem about the voltage sensitive separator relay, please contact us by email, we will try our best to reply you within 24 hours.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Keenso |
| Part number | Keenso3qbp5t80ug |
| Item Weight | 231 g |
| Product Dimensions | 7 x 7 x 7 cm; 231.33 g |
| Item model number | Keenso3qbp5t80ug |
| Size | normal |
| Colour | Popular |
| Item Package Quantity | 1 |
| Plug profile | Surface Mount |
| Specification met | CE IP67 |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Connector type:** Screw
- **Contact material:** Copper
- **Contact type:** Normally Open
- **Current rating:** 125 Amps
- **Mounting type:** Surface Mount

## Images

![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 1](https://m.media-amazon.com/images/I/51VlXMsyypL.jpg)
![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 2](https://m.media-amazon.com/images/I/617X9QEJN3L.jpg)
![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 3](https://m.media-amazon.com/images/I/61oRMK57eAL.jpg)
![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 4](https://m.media-amazon.com/images/I/61H1R9w6JXL.jpg)
![Keenso Voltage Sensitive Relay, Battery Isolator, Dual Intelligent Isolation, 125A Capacity, DC12V, Screw Terminal, For Trucks, Cars, Motorcycles, Boats, RVs, Generators, Solar Systems - Image 5](https://m.media-amazon.com/images/I/61vC1SsXqxL.jpg)

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---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-10*