---
product_id: 147001903
title: "Battery Doctor 20138 Knife Switch (Top Terminal)"
brand: "battery doctor"
price: "€ 68.81"
currency: EUR
in_stock: true
category: "product"
url: https://www.desertcart.pt/products/147001903-battery-doctor-20138-knife-switch-top-terminal
store_origin: PT
region: Portugal
---

# Battery Doctor 20138 Knife Switch (Top Terminal)

**Brand:** battery doctor
**Price:** € 68.81
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Battery Doctor 20138 Knife Switch (Top Terminal) by battery doctor
- **How much does it cost?** € 68.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/147001903-battery-doctor-20138-knife-switch-top-terminal)

## Best For

- battery doctor enthusiasts

## Why This Product

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

## Description

Description                                                    Worried about someone taking off with your vehicle without your knowledge? The Knife Switch (Top Terminal) from Battery Doctor improves safety and security while helping prevent theft, battery drain, tampering or unauthorized use of stored vehicles, RVs and seasonal equipment and other vehicles. This low-vertical-operation switch also includes a 5/8 in. dia. post for receiving a standard battery cable clamp.Features:Mounts On The Negative Post Disconnects Batteries Safely & Easily Stops Unwanted Battery Drain Retail Packaging Top Post Ideal For Low, Vertical OperationDimension: L 7.15 X W 4.6 X H 2.5 in.Shipping Weight: 0.67 lbs

## Images

![Battery Doctor 20138 Knife Switch (Top Terminal) - Image 1](https:////cdn.shopify.com/s/files/1/0960/7016/products/WIR20138_1024x1024.jpg?v=1475151233)

---

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**Shop now:** [https://www.desertcart.pt/products/147001903-battery-doctor-20138-knife-switch-top-terminal](https://www.desertcart.pt/products/147001903-battery-doctor-20138-knife-switch-top-terminal)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-18*