---
product_id: 464113188
title: "Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black"
brand: "makingtec"
price: "₨15086"
currency: LKR
in_stock: true
reviews_count: 4
url: https://www.desertcart.lk/products/464113188-battery-disconnect-switch-master-master-switch-isolator-12v-48v-waterproof
store_origin: LK
region: Sri Lanka
---

# 275A continuous power Secure battery isolation Waterproof design Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black

**Brand:** makingtec
**Price:** ₨15086
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Down with Confidence!

## Quick Answers

- **What is this?** Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black by makingtec
- **How much does it cost?** ₨15086 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/464113188-battery-disconnect-switch-master-master-switch-isolator-12v-48v-waterproof)

## Best For

- makingtec enthusiasts

## Why This Product

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

## Key Features

- • **Easy Installation:** Includes 4 mounting bolts for a hassle-free setup.
- • **Powerful Performance:** Handles up to 275A continuous and 1250A momentary!
- • **Heavy-Duty Durability:** Built with robust ABS housing and corrosion-resistant components.
- • **Universal Compatibility:** Perfect for cars, RVs, boats, and more—your go-to battery solution!
- • **Versatile Voltage Range:** Compatible with 12V-48V DC systems for diverse applications.

## Overview

The MAKINGTEC Battery Disconnect Switch Master is a high-performance isolator designed for 12V-48V systems, offering a robust 275A continuous current and a waterproof construction. Ideal for a variety of vehicles, it ensures safe battery disconnection and prevents power drain, making it an essential tool for maintenance and protection.

## Description

MAKINGTEC Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black : desertcart.ae: Automotive

Review: Works well - I installed it on my classic car, works well as described
Review: Quality is bad - The nubs broken after 6 months

## Features

- ✔【Package Include】1 x battery switch; 4 x mounting bolts.
- ✔【Simple Operation】On/Off 2 positions (0=Off, 1=On), 275A continuous at DC 12V, 455A Intermittent at DC 12V, 1250 A momentary at DC 12V; Voltage: 12V- 48V DC; Terminal Stud Size: 2x3/8" (10mm)
- ✔【Compatibility & Benefits】Used for DC 12 - 48V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain.
- ✔【Heavy Duty Construction】Sturdy durable ABS housing, rear cover insulates terminals against any short of circuits; 4 removable side plates provide access of up to 1/0 cables; Tin-plated copper studs and nuts for strong oxidation and corrosion resistance
- ✔【Wide Application】Battery isolator switch is universal used for Car, Van, Caravan, RV, Truck, Marine Boat, Camper, Travel Trailer, Battery Box, ATV, UTV or or any vehicle where a battery cut-off switch is required.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B8MX5LV6 |
| Actuator Type | Rotary |
| Best Sellers Rank | #15,332 in Automotive ( See Top 100 in Automotive ) #49 in Car Battery Switches |
| Brand Name | MAKINGTEC |
| Circuit Type | 1-way |
| Color | Black |
| Connector Type | Crimp |
| Contact Material | Copper |
| Contact Type | Normally Closed |
| Control Method | Touch |
| Controller Type | Ring |
| Current Rating | 275 Amps |
| Customer Reviews | 4.1 4.1 out of 5 stars (16) |
| International Protection Rating | IP65 |
| Item Dimensions | 9 x 8 x 8 centimeters |
| Manufacturer | MAKINGTEC |
| Material Type | Acrylonitrile Butadiene Styrene |
| Mounting Type | Surface Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 48 Volts |
| Operation Mode | ON-OFF |
| Switch Type | Kill Switch |
| Terminal | Copper |
| UPC | 768649278555 |
| Unit Count | 1.0 Count |

## Product Details

- **Connector type:** Crimp
- **Contact type:** Normally Closed
- **Current rating:** 275 Amps
- **Operating voltage:** 48 Volts
- **Operation mode:** ON-OFF

## Images

![Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black - Image 1](https://m.media-amazon.com/images/I/61+jiwobgiS.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well
*by A***D on 3 April 2024*

I installed it on my classic car, works well as described

### ⭐⭐ Quality is bad
*by S***N on 26 January 2026*

The nubs broken after 6 months

### ⭐⭐⭐⭐⭐ Good
*by S***S on 16 October 2023*

Good

## Frequently Bought Together

- MAKINGTEC Battery Disconnect Switch Master, Master Switch Isolator, 12V-48V Waterproof Power Isolator On-Off Kill Switch 275Amps High Current for Car RV Marine Boat Truck ATV Vehicles (On/Off), Black
- SYOSI 12 Way Blade Fuse Block, 12V Automotive Fuse Box Holder, Waterproof Cover with Negative Bus Fuse Panel LED Indicator for Automotive Car Truck Boat Marine RV Van

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**Shop now:** [https://www.desertcart.lk/products/464113188-battery-disconnect-switch-master-master-switch-isolator-12v-48v-waterproof](https://www.desertcart.lk/products/464113188-battery-disconnect-switch-master-master-switch-isolator-12v-48v-waterproof)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-05-08*