---
product_id: 595700949
title: "Ampper Top Post Battery Disconnect 2 Way Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off), Black"
brand: "ampper"
price: "€ 119.69"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/595700949-ampper-top-post-battery-disconnect-2-way-switch-12-48
store_origin: NL
region: Netherlands
---

# 275A continuous current 12-48V DC compatible Direct top post negative fit Ampper Top Post Battery Disconnect 2 Way Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off), Black

**Brand:** ampper
**Price:** € 119.69
**Availability:** ✅ In Stock

## Summary

> 🔋 Master your power. Disconnect with ease, drive with peace.

## Quick Answers

- **What is this?** Ampper Top Post Battery Disconnect 2 Way Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off), Black by ampper
- **How much does it cost?** € 119.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/595700949-ampper-top-post-battery-disconnect-2-way-switch-12-48)

## Best For

- ampper enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Simplicity:** Direct fit to top post battery negative—no extra cables or mods needed
- • **Built to Last & Protect:** Durable ABS plastic housing ensures safety and longevity in any environment
- • **Universal Compatibility:** Works seamlessly with standard 19mm positive & 17mm negative top post batteries
- • **Cut Power, Save Battery Life:** Easily isolate your vehicle or boat battery to prevent power drain when idle
- • **Power Through with Confidence:** Handles up to 275A continuous current for heavy-duty performance

## Overview

The Ampper Top Post Battery Disconnect Switch is a robust, easy-to-install isolator designed for 12-48V DC systems. It supports up to 275A continuous current and fits standard top post batteries without modifications. Built with durable ABS housing, it safely cuts power to prevent battery drain in cars, RVs, and boats, making it an essential upgrade for reliable vehicle and marine electrical management.

## Description

Full description not available

## Features

- Convenience: direct fit and no modifications, hook up to TOP post battery negative directly, do not need additional battery cables or lugs, isolate and secure the electrical system easily.
- Specification: used for DC 12 - 48 V systems, ON/OFF 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.
- Heavy Duty: ABS plastic housing, durable made for safety use. Extended the top post battery negative to original size: standard top post negative (17 mm cone/tapering negative (-)), installation space should be checked.
- Compatible: used for standard top post battery (19 mm cone/tapering positive & 17 mm cone/tapering negative). Can stand alone or be locked together with other switch.
- Purpose: eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely, widely used for car, vehicle, Rv and boat.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Operation Mode | ON-OFF |
| Current Rating | 275 Amps |
| Operating Voltage | 12 Volts |
| Contact Type | Normally Open |
| Connector Type | Screw Terminal |
| Brand | Ampper |
| Terminal | Screw |
| Item dimensions L x W x H | 12.7 x 4.6 x 5.1 Centimeters |
| Circuit Type | 2-way |
| Actuator Type | Rotary |
| Contact Material | Copper, Brass |
| Number of Positions | 2 |
| Controller Type | Ring |
| Control Method | Touch |
| Connectivity Protocol | X-10 |
| Colour | Non-Removable​​ Knob |
| Wattage | 60000 Watts |
| Number of Items | 1 |
| Manufacturer | Ampper |
| Country of Origin | USA |
| Special Feature | ABS plastic housing, durable made for safety use, Direct fit and no modifications, hook up to TOP post battery negative directly, Eliminate any power draw from the battery when vehicle or boat is not in use, Used for DC 12 - 48 V systems, isolate and secure the electrical system easily, Used for standard top post battery, can stand alone or be locked together with other switch |
| Item Weight | 170 g |
| Product Dimensions | 12.7 x 4.57 x 5.08 cm; 170.1 g |
| Item part number | Am-CBS01A |
| Item Height | 2 Inches |
| Item Width | 1.8 Inches |
| Compatible Device | Standard top post battery (19 mm cone/tapering positive & 17 mm cone/tapering negative), Cars, Vehicles, RVs, Boats |
| Are batteries included? | No |

## Product Details

- **Operation Mode:** ON-OFF
- **Current Rating:** 275 Amps
- **Operating Voltage:** 12 Volts
- **Contact Type:** Normally Open
- **Connector Type:** Screw Terminal

## Images

![Ampper Top Post Battery Disconnect 2 Way Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off), Black - Image 1](https://m.media-amazon.com/images/I/61pKMfieLdL.jpg)
![Ampper Top Post Battery Disconnect 2 Way Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off), Black - Image 2](https://m.media-amazon.com/images/I/81ll2gWi0QL.jpg)
![Ampper Top Post Battery Disconnect 2 Way Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off), Black - Image 3](https://m.media-amazon.com/images/I/71iUu2oQ5OL.jpg)
![Ampper Top Post Battery Disconnect 2 Way Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off), Black - Image 4](https://m.media-amazon.com/images/I/71aiEgj+-6L.jpg)
![Ampper Top Post Battery Disconnect 2 Way Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off), Black - Image 5](https://m.media-amazon.com/images/I/71z3eATRrBL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Ampper Top Post Battery Disconnect Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (Negative, On/Off)
- Battery Disconnect Switch, Malictele On/Off Side Post Battery Switch 275A 12-48V Power Cut Master Disconnect Isolator for Car Vehicle RV and Boat

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-18*