---
product_id: 400109972
title: "A ABIGAIL Top Post Battery Disconnect Switch, Battery Terminal Link Quick Switch, Power Master Disconnect Cut Off Isolator for Boat Small Yacht RV Camper Truck Car Vehicle"
brand: "a abigail"
price: "$1139"
currency: MXN
in_stock: true
reviews_count: 5
url: https://www.desertcart.mx/products/400109972-a-abigail-top-post-battery-disconnect-switch-battery-terminal-link
store_origin: MX
region: Mexico
---

# Rust & corrosion resistant brass alloy 125A rated current Easy twist knob operation A ABIGAIL Top Post Battery Disconnect Switch, Battery Terminal Link Quick Switch, Power Master Disconnect Cut Off Isolator for Boat Small Yacht RV Camper Truck Car Vehicle

**Brand:** a abigail
**Price:** $1139
**Availability:** ✅ In Stock

## Summary

> 🔋 Cut the power, not your adventure — stay charged, stay ready!

## Quick Answers

- **What is this?** A ABIGAIL Top Post Battery Disconnect Switch, Battery Terminal Link Quick Switch, Power Master Disconnect Cut Off Isolator for Boat Small Yacht RV Camper Truck Car Vehicle by a abigail
- **How much does it cost?** $1139 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/400109972-a-abigail-top-post-battery-disconnect-switch-battery-terminal-link)

## Best For

- a abigail enthusiasts

## Why This Product

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

## Key Features

- • **Power Cut with a Twist:** Simple On/Off knob isolates battery in seconds, preventing power drain when idle.
- • **Universal Compatibility:** Fits 15.5mm-17mm top post battery terminals across cars, boats, RVs, and ATVs.
- • **Built to Brave the Elements:** Heavy-duty brass and zinc alloy construction ensures rust-free, long-lasting durability.
- • **Keep Your Battery Charged & Ready:** Eliminates parasitic drain, extending battery life during long vehicle storage.
- • **Hassle-Free Installation & Support:** Quick vertical knife blade mount with 100% satisfaction guarantee and responsive customer service.

## Overview

The A ABIGAIL Top Post Battery Disconnect Switch is a robust 12V, 125A rated device crafted from corrosion-resistant brass and zinc alloys. Designed for quick, tool-free On/Off operation via a twist knob, it fits standard 15.5mm-17mm battery terminals and is ideal for cars, boats, RVs, and ATVs. This switch prevents battery drain during inactivity, extending battery life and ensuring your vehicle is always ready to go. Backed by a satisfaction guarantee, it combines durability, ease of use, and reliable power isolation in one compact unit.

## Description

A ABIGAIL Top Post Battery Master Disconnect Switch for Marine Car Boat RV ATV Vehicles Specifications: Voltage: 12V Rated current: 125A Operation: On/Off Battery negative pole 15.5mm-17mm Dimensions: 3.3" x 1.5" x 1.5" Includes: 1 x Green Battery Switch &1 x Black Battery Switch Features: - Easy to install & use. - Knob type, loose / twist of the knob, then power will cut. - Heavy duty Brass alloy made, rust and corrosion resistant, durable made for safety use. - Used for Car, Vehicle, RV and Boat, also electrical equipment's switch. - Used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely. Service: 100% satisfaction guarantee, If you have any issues with our Battery Disconnect Switch, simply contact customer service for troubleshooting help, parts, replacement, or refund. Our aim is to make you satisfy the parts and the service we provide for you.

Review: Product is good the only thing is they sent one side mount and one top mount,the order was for 2 side mounts.product.
Review: Post disconnects work great on keeping my car and truck batteries fully charged while the vehicles sit for a while. A must if u have a sitting vehicles for a month or longer. I let my truck sit for months the connected the post disconnect which is easy peasy to do just turn knob and negative is reconnected and battery is still fully charged.

## Features

- 【High Quality】A ABIGAIL Top Post Battery Master Disconnect Switch is made of heavy duty Brass alloy,Durable zinc alloy terminal which is rust and corrosion resistant, durable made for safety use.
- 【Operation】On/Off 2 position, Top Post terminal, Battery negative pole 15.5mm-17mm, DC 12 V system, rated current: 125 A
- 【Application & Easy to Use】Widely used for Car, Vehicle, RV, ATV and Boat batteries, also used for electrical equipment. Vertical knife blade type, easy to install & simple to use. loose is power off, tightening can be conductive.
- 【Function】 Used for battery to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely.
- 【100% satisfaction guarantee】If you have any issues with our Battery Disconnect Switch, simply contact customer service for troubleshooting help, parts, replacement, or refund. Our aim is to make you satisfy the parts and the service we provide for you.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Z8RR968 |
| Item model number | A5210C |
| Manufacturer | A ABIGAIL |
| Product Dimensions | 5.08 x 10.16 x 5.08 cm; 9.07 g |

## Product Details

- **Connector type:** Crimp
- **Contact type:** Normally Open
- **Current rating:** 125 Amps
- **Operating voltage:** 12 Volts
- **Operation mode:** ON-OFF

## Images

![A ABIGAIL Top Post Battery Disconnect Switch, Battery Terminal Link Quick Switch, Power Master Disconnect Cut Off Isolator for Boat Small Yacht RV Camper Truck Car Vehicle - Image 1](https://m.media-amazon.com/images/I/416uENz0VpL.jpg)
![A ABIGAIL Top Post Battery Disconnect Switch, Battery Terminal Link Quick Switch, Power Master Disconnect Cut Off Isolator for Boat Small Yacht RV Camper Truck Car Vehicle - Image 2](https://m.media-amazon.com/images/I/418TBZ9lK8L.jpg)
![A ABIGAIL Top Post Battery Disconnect Switch, Battery Terminal Link Quick Switch, Power Master Disconnect Cut Off Isolator for Boat Small Yacht RV Camper Truck Car Vehicle - Image 3](https://m.media-amazon.com/images/I/41Qbup2L8ML.jpg)
![A ABIGAIL Top Post Battery Disconnect Switch, Battery Terminal Link Quick Switch, Power Master Disconnect Cut Off Isolator for Boat Small Yacht RV Camper Truck Car Vehicle - Image 4](https://m.media-amazon.com/images/I/41rTj03sOoL.jpg)
![A ABIGAIL Top Post Battery Disconnect Switch, Battery Terminal Link Quick Switch, Power Master Disconnect Cut Off Isolator for Boat Small Yacht RV Camper Truck Car Vehicle - Image 5](https://m.media-amazon.com/images/I/41s70YFm-VL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by N***. on 8 June 2025*

Product is good the only thing is they sent one side mount and one top mount,the order was for 2 side mounts.product.

### ⭐⭐⭐⭐⭐ Review
*by E***T on 16 December 2025*

Post disconnects work great on keeping my car and truck batteries fully charged while the vehicles sit for a while. A must if u have a sitting vehicles for a month or longer. I let my truck sit for months the connected the post disconnect which is easy peasy to do just turn knob and negative is reconnected and battery is still fully charged.

### ⭐⭐⭐⭐⭐ Review
*by N***. on 27 August 2023*

I purchased these for a car with an intermittent vampire drain on the battery. It would always disappear whenever I started pulling fuses and metering things. Instead I just got a battery switch. These were very easy to install since they use the factory post terminals. You may need to bend your factory wire a little bit since the post will now be horizontal instead of vertical, but mine was a breeze to do. I first tried a knife style battery switch, but it didn't last long and the connection was getting loose. I have a stereo in my car that can draw upwards of 100amps at once, and I was getting a heck of a voltage drop over the knife switch. No such problem with these screw terminals. They make a really nice tight connection and I don't see any additional voltage drop through them. They also won't wear as quickly because they don't rely on spring action like the knife switches. Had them for about 4 months now with no issues. Will update the review if I find any in future.

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**Shop now:** [https://www.desertcart.mx/products/400109972-a-abigail-top-post-battery-disconnect-switch-battery-terminal-link](https://www.desertcart.mx/products/400109972-a-abigail-top-post-battery-disconnect-switch-battery-terminal-link)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-06*