---
product_id: 448878649
title: "Battery Disconnect Switch with Lockout Plate Fits Negative Battery Doctor Replace 20247, 500A 12V-36V Master Battery Kill Switch Fixed Handle Isolator for Car Auto RV and Boat Waterproof"
brand: "yzqpnb"
price: "S$70"
currency: SGD
in_stock: true
reviews_count: 5
category: "Yzqpnb"
url: https://www.desertcart.sg/products/448878649-battery-disconnect-switch-with-lockout-plate-fits-negative-battery-doctor
store_origin: SG
region: Singapore
---

# 5000A instantaneous surge IP54 waterproof sealed design 500A rated current Battery Disconnect Switch with Lockout Plate Fits Negative Battery Doctor Replace 20247, 500A 12V-36V Master Battery Kill Switch Fixed Handle Isolator for Car Auto RV and Boat Waterproof

**Brand:** yzqpnb
**Price:** S$70
**Availability:** ✅ In Stock

## Summary

> 🔌 Cut the power, not the adventure — master your battery with confidence!

## Quick Answers

- **What is this?** Battery Disconnect Switch with Lockout Plate Fits Negative Battery Doctor Replace 20247, 500A 12V-36V Master Battery Kill Switch Fixed Handle Isolator for Car Auto RV and Boat Waterproof by yzqpnb
- **How much does it cost?** S$70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/448878649-battery-disconnect-switch-with-lockout-plate-fits-negative-battery-doctor)

## Best For

- yzqpnb enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Heavy-duty die-cast handle with rust-resistant coating ensures rugged durability in any environment.
- • **Lock & Secure:** Lockout plate prevents accidental shutdowns, giving you peace of mind on every journey.
- • **Effortless Operation:** Simple rotary knob design for quick on/off control—no special tools or expertise needed.
- • **Powerhouse Performance:** Handles up to 500A continuous and 5000A surge current for ultimate battery control.
- • **Universal Compatibility:** Fits 12V-36V systems across cars, RVs, boats, yachts, and trucks—one switch to rule them all.

## Overview

This Battery Disconnect Switch is a robust, waterproof, and lockable master kill switch designed for negative battery cables in 12V-36V vehicles. Rated for 500A continuous and 5000A surge current, it fits a wide range of cars, RVs, boats, and trucks. Featuring silver-plated copper contacts and a heavy-duty die-cast handle, it offers reliable, tool-free operation and prevents accidental power loss with its lockout plate.

## Description

Battery Disconnect Switch with Lockout Plate- Designed to be turned on or off power by turning the handle. - Direct Replacement, Easy Install and No Special Tool Requirement.- Constructed by Heavy-duty Steel and Rust-resistant Coating Which is Durable, Matches the Fit and Function of the Original Equipment.Fits: for Cars, Autos, Boats, RVs, Yachts, Trucks and Engineering Vehicles.Used on Negative Battery Cables,use on a single 12V-36V battery.Replace Part Number: 20247Specification: Material:Silver Plated Copper Polarity: Negative Stud Size: 10MM Working voltage: 12V-36V Rated Current: 500A Instantaneous Current: 5000A

Review: Well built! - Working great in my RV. Very well built. Makes it easy to stop voltage drain. Will also help in diagnosing the voltage drain.
Review: Quality unit - Great quality: Works exactly as it should great value for the price.

## Features

- Wide Application: Battery disconnect switch is widely used for cars, autos, boats, RVs, yachts, trucks and engineering vehicles
- Operation: Just turn the knob to turn it on or off. The knob switch can be locked on the panel to prevent accidental closing or opening
- Specifications: Working voltage: 12V 24V 36V , rated current: 500A, instantaneous current: 5000A. Two 10mm threaded studs with nuts for the negative battery cable
- Features: Connection material silver plated copper. Features sealed, waterproof design, heavy duty fixed die cast handle,includes lockout / mounting bracket
- Support: For any questions or concerns regarding the battery disconnect switch, please inform us so we can resolve the issue

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09W5KDTN2 |
| Actuator Type | Rotary |
| Best Sellers Rank | #84,135 in Automotive ( See Top 100 in Automotive ) #173 in Car Battery Switches |
| Brand | YZQPNB |
| Brand Name | YZQPNB |
| Circuit Type | Single circuit with ON-OFF configuration |
| Color | Black |
| Compatible Devices | Vehicles, boats and other devices that use a 12V-36V battery and have a negative battery cable |
| Compatible with Vehicle Type | Passenger vehicles, boats, RVs, yachts, trucks, engineering vehicles |
| Connectivity Protocol | X-10 |
| Connector Type | Screw Terminal |
| Connector type | Screw Terminal |
| Contact Material | Silver, Copper |
| Contact Type | Normally Open |
| Contact type | Normally Open |
| Control Method | Touch |
| Control Type | Manual |
| Controller Type | Ring |
| Current Rating | 500 Amps |
| Current rating | 500 Amps |
| Customer Reviews | 4.4 out of 5 stars 243 Reviews |
| International Protection Rating | IP54 |
| Item Weight | 0.01 Ounces |
| Manufacturer | YZQPNB |
| Material Type | Copper,Silver |
| Model | 500A |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 2 |
| Operating Voltage | 12 Volts |
| Operating voltage | 12 Volts |
| Operation Mode | Manual |
| Operation mode | Manual |
| Part Number | DCDKKG |
| Specification Met | Partial |
| Switch Type | Kill Switch |
| Terminal | Screw |
| Unit Count | 1.0 Count |
| Wattage | 18000 watts |

## Product Details

- **Brand:** YZQPNB
- **Circuit Type:** 1-way
- **Connector Type:** Screw Terminal
- **Contact Type:** Normally Open
- **Current Rating:** 500 A
- **Material:** Silver, Copper
- **Operating Voltage:** 12 volts
- **Operation Mode:** Off
- **Switch Type:** Kill Switch
- **Terminal:** Screw

## Images

![Battery Disconnect Switch with Lockout Plate Fits Negative Battery Doctor Replace 20247, 500A 12V-36V Master Battery Kill Switch Fixed Handle Isolator for Car Auto RV and Boat Waterproof - Image 1](https://m.media-amazon.com/images/I/512FQuKlHqL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Well built!
*by E***M on 11 March 2026*

Working great in my RV. Very well built. Makes it easy to stop voltage drain. Will also help in diagnosing the voltage drain.

### ⭐⭐⭐⭐⭐ Quality unit
*by D***N on 1 July 2026*

Great quality: Works exactly as it should great value for the price.

### ⭐⭐⭐⭐⭐ It's backwards
*by M***S on 27 October 2024*

Locking orientation is backwards. Looks robust...but it is of no use to me. Why lock it in the on position??? Poor quality control

## Frequently Bought Together

- YZQPNB Battery Disconnect Switch with Lockout Plate Fits Negative Battery Doctor Replace 20247, 500A 12V-36V Master Battery Kill Switch Fixed Handle Isolator for Car Auto RV and Boat Waterproof
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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-22*