---
product_id: 62289017
title: "WirthCo 20390 Battery Doctor Battery Preserver (Automatic Battery Disconnect)"
brand: "wirthco"
price: "S$162"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/62289017-wirthco-20390-battery-doctor-battery-preserver-automatic-battery-disconnect
store_origin: SG
region: Singapore
---

# Auto disconnects at 12V Manual remote control Universal 12V compatibility WirthCo 20390 Battery Doctor Battery Preserver (Automatic Battery Disconnect)

**Brand:** wirthco
**Price:** S$162
**Availability:** ✅ In Stock

## Summary

> 🔋 Stay powered, stay protected—never get stranded again!

## Quick Answers

- **What is this?** WirthCo 20390 Battery Doctor Battery Preserver (Automatic Battery Disconnect) by wirthco
- **How much does it cost?** S$162 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/62289017-wirthco-20390-battery-doctor-battery-preserver-automatic-battery-disconnect)

## Best For

- wirthco enthusiasts

## Why This Product

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

## Key Features

- • **Smart Battery Savior:** Automatically cuts power at 12V to prevent dead batteries and extend battery life.
- • **Remote Control Freedom:** Manually disconnect or reconnect your battery from anywhere with easy remote access.
- • **Universal Compatibility:** Works seamlessly with all 12V batteries—perfect for cars, RVs, ATVs, and more.
- • **Hassle-Free Installation:** Panel mount design with a 1-year warranty ensures reliable, long-term performance.
- • **Theft & Misuse Deterrent:** Protect your vehicle from unauthorized use and battery theft effortlessly.

## Overview

The WirthCo 20390 Battery Doctor is an automatic and manual battery disconnect device designed to preserve 12V batteries by cutting power at 12 volts. Ideal for infrequently used vehicles like RVs, cars, and ATVs, it prevents dead batteries, theft, and unauthorized use with remote control convenience and easy panel mounting.

## Description

Remote Battery Disconnect/Battery Life Preserver that Automatically disconnects the Battery at 12V to prevent dead battery situations. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

## Features

- Automatically Disconnects the Battery at 12V
- Battery can be Manually Disconnected and Re-connected
- Works with All 12V Batteries
- Helps Prevent Dead Batteries, Theft and Unauthorized Use
- Ideal for RV's, Cars, ATV's or any other vehicle used infrequently

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00WC1Y3A8 |
| Brand Name | WirthCo |
| Connectivity Protocol | Wi-Fi |
| Control Method | Remote |
| Customer Reviews | 1.2 1.2 out of 5 stars (10) |
| Global Trade Identification Number | 00010054203906 |
| Manufacturer | WirthCo |
| Model | 20390 |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Operating Voltage | 12 volts |
| Operation Mode | Automatically,Automatic,Manually,Battery |
| Part Number | 20390 |
| UPC | 010054203906 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year |

## Product Details

- **Brand:** WirthCo
- **Connectivity Protocol:** Wi-Fi
- **Control Method:** Remote
- **Global Trade Identification Number:** 00010054203906
- **Manufacturer:** WirthCo
- **Mounting Type:** Panel Mount
- **Number of Items:** 1
- **Operating Voltage:** 12 volts
- **Operation Mode:** Automatically,Automatic,Manually,Battery
- **Unit Count:** 1 Count

## Images

![WirthCo 20390 Battery Doctor Battery Preserver (Automatic Battery Disconnect) - Image 1](https://m.media-amazon.com/images/I/71IiFF-hizL.jpg)

---

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**Shop now:** [https://www.desertcart.sg/products/62289017-wirthco-20390-battery-doctor-battery-preserver-automatic-battery-disconnect](https://www.desertcart.sg/products/62289017-wirthco-20390-battery-doctor-battery-preserver-automatic-battery-disconnect)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-11-01*