Battery Doctor 20128 Battery Disconnect Knife Switch for Side Terminal 12v Battery Kill Switch for Negative Post Perfect for Saving Car Battery and GM-Type Batteries - Made in USA
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Battery Doctor 20128 Battery Disconnect Knife Switch for Side Terminal 12v Battery Kill Switch for Negative Post Perfect for Saving Car Battery and GM-Type Batteries - Made in USA
Stop unwanted parasitic power draw with our patented Battery Disconnect Knife Switches.
Battery Doctor 20128 Battery Disconnect Knife Switch for Side Terminal 12v Battery Kill Switch for Negative Post Perfect for Saving Car Battery and GM-Type Batteries - Made in USA
Artigo n.º: 16679094

Battery Doctor 20128 Battery Disconnect Knife Switch for Side Terminal 12v Battery Kill Switch for Negative Post Perfect for Saving Car Battery and

Artigo n.º: 16679094

STD 1009500

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*All items will import from EUA

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EUA Importado da loja USA
Encomende já e receba por volta de Monday, Agosto 10
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Stop unwanted parasitic power draw with our patented Battery Disconnect Knife Switches.
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O que se Destaca

Effective Battery Protection
This knife switch effectively disconnects the battery, preventing unwanted power drains and ensuring reliable vehicle performance. Perfect for maintaining GM-type batteries and prolonging battery life effectively.
High-Quality Build
Made in the USA, the Battery Doctor 20128 is constructed for durability and reliability, ensuring it withstands extreme conditions without compromising functionality, making it a trusted choice for vehicle owners.
Easy Installation
Designed for straightforward installation on side terminal batteries, this kill switch simplifies the process of disconnecting the battery, making it ideal for DIY enthusiasts and everyday users seeking convenience.

Detalhes do produto

Shop Battery Doctor Safety/Switch Battery Disconnect for Side Terminal GM-type Batteries at Ubuy São Tomé and Príncipe. Prevent shorts, fires, and battery drain on idle batteries. Buy now!

Bens perigosos

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Quem Deverá Comprar?

Suitable For
  • Car Enthusiasts

    Ideal for car enthusiasts who require frequent battery disconnections for maintenance or storage purposes.

  • RV Owners

    Great for RV owners wanting to prevent battery drain during long periods of non-use.

  • Batteries Management

    Useful for users managing multiple GM-type batteries, ensuring easy disconnects to maintain battery health.

Not Suitable For
  • Frequent Drivers

    Not suited for those who drive their vehicles regularly, as constant activation can become cumbersome.

DESCRIÇÃO DO PRODUTO

Battery Doctor 20128 Battery Disconnect Knife Switch for Side Terminal 12v Battery Kill Switch for Negative Post Perfect for Saving Car Battery and GM-Type Batteries - Made in USA

About This Item

Introducing the WirthCo 20128 Battery Disconnect for Side Terminal - the ultimate solution to stop unwanted parasitic power draw and extend the life of your batteries. Designed with patented Battery Disconnect Knife Switches, this battery disconnect switch is perfect for mounting on the negative battery side post to disconnect the ground and battery. With its easy installation and usage, you'll have a fast and effective way to protect your batteries from draining unnecessarily. Whether you're using it for your car, RV, ATV, UTV, truck, boat, camper, or any other power disconnect purposes, the WirthCo Battery Disconnect is a must-have accessory. Say goodbye to dead batteries and hello to convenience and peace of mind. Featuring a heavy-duty construction, this battery disconnect switch is built to withstand the toughest conditions.

Its durable design ensures long-lasting use, making it a reliable choice for all your power disconnect needs. Not only does the WirthCo 20128 Battery Disconnect provide a secure way to disconnect your battery, but it also comes with a key for added security and peace of mind. You'll have complete control over your power source, preventing any unauthorized access or usage. With its versatile functionality, this battery disconnect switch is suitable for a wide range of applications. From automotive and marine use to off-road vehicles, electric vehicles, solar systems, and more, the possibilities are endless. Don't let a dead battery ruin your day.

Invest in the WirthCo 20128 Battery Disconnect for Side Terminal and ensure your batteries stay charged and ready whenever you need them. Trust in WirthCo's expertise and quality craftsmanship for all your battery management needs. Keywords: WirthCo Battery Disconnect, WirthCo Side Terminal, WirthCo 20128 Battery Disconnect, Battery Disconnect Switch, Side Terminal Battery Disconnect, 20128 Battery Disconnect, Battery Disconnect, Automotive Battery Disconnect, Battery Disconnect Switch for Car, Heavy Duty Battery Disconnect, Battery Disconnect for RV, Battery Disconnect for Boat, Battery Disconnect Switch with Key, Marine Battery Disconnect, Battery Disconnect Isolator, Battery Disconnect Terminal, Battery Disconnect Knob, Battery Disconnect for Trucks, Battery Disconnect for Motorcycles, Car Battery Disconnect Switch, Battery Disconnect for Camper, Battery Disconnect for Golf Cart, Battery Disconnect Switch with Mounting Bracket, Battery Disconnect Switch for ATV, Battery Disconnect with Remote, Battery Disconnect Kill Switch, Battery Disconnect Kit, Battery Disconnect Switch for Trailer, Battery Disconnect for Powersports, Battery Disconnect for Off-road Vehicles, Battery Disconnect for Electric Vehicles, Battery Disconnect for Solar Systems.

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Perguntas e Respostas dos Clientes

  • Pergunta: What is the purpose of the Battery Doctor 20128 Battery Disconnect Knife Switch?

    Resposta: The Battery Doctor 20128 Battery Disconnect Knife Switch is designed to cut off power from the battery, helping to prevent battery drain when a vehicle is not in use. By disconnecting the battery, you can significantly extend its lifespan and reduce the chances of dead batteries, especially in GM-Type vehicles. This switch is particularly useful for seasonal drivers or those who leave cars parked for long periods.
  • Pergunta: How do I install the Battery Doctor Battery Disconnect Switch?

    Resposta: Installing the Battery Doctor Battery Disconnect Switch is straightforward. First, disconnect your current battery cables, ensuring safety precautions are taken. Next, mount the switch onto the negative battery post, securely attaching it. Finally, connect the negative cable to the switch's designated terminal, confirming all connections are tight and secure. This allows for effortless disconnection and reconnection whenever needed, ensuring optimal battery preservation.
  • Pergunta: What types of batteries are compatible with this disconnect switch?

    Resposta: The Battery Doctor 20128 is compatible with 12v batteries, specifically designed for side terminals and GM-Type batteries. This includes most vehicles using standard automotive batteries. The knife switch is engineered to provide reliable functionality and a secure connection with these battery types, ensuring optimal performance and safety.
  • Pergunta: Can this switch be used for other purposes besides vehicles?

    Resposta: Yes, while it is primarily designed for vehicles, the Battery Doctor 20128 Battery Disconnect Switch can be utilized in various applications where 12v batteries are used. This may include RVs, boats, or solar energy setups. The switch effectively controls power to various electrical systems, making it versatile for anyone looking to preserve battery life in different contexts.
  • Pergunta: Why should I choose a knife switch instead of other types of disconnect switches?

    Resposta: A knife switch, like the Battery Doctor 20128, is favored for its simplicity and reliability. It provides a direct disconnection of the battery, which is often more effective than rotary or push-button switches that might experience wear over time. Its design allows for quick access, ensuring you can easily disconnect power when needed, making it ideal for hands-on users.
  • Pergunta: Is this product made in the São Tomé and Príncipe?

    Resposta: Yes, the Battery Doctor 20128 is proudly made in the São Tomé and Príncipe. This commitment to local manufacturing often translates to higher quality standards and better materials, ensuring you receive a durable and reliable product. By choosing American-made, you also support local jobs and contribute to the economy.
  • Pergunta: How does the disconnect switch help in saving battery life?

    Resposta: The disconnect switch is a practical solution for saving battery life by completely isolating the battery from the vehicle’s electrical system. This prevents parasitic drains from components that may continue to draw power when the vehicle is off. For instance, if a car is parked for several weeks, disconnecting the battery ensures it will start without issues when you return.
  • Pergunta: What safety features are included in this knife switch?

    Resposta: The Battery Doctor 20128 comes with robust features aimed at ensuring safety during operation. It includes a durable design that mitigates the risk of accidental short circuits and the potential for sparks. Reinforced terminals also help prevent wear, while its clear on/off indication ensures you quickly know when the power is disconnected, preventing mishaps.
  • Pergunta: Can I use this switch on a classic car?

    Resposta: Absolutely! The Battery Doctor 20128 Battery Disconnect Switch is perfect for classic cars that might be parked for extended periods. These vehicles often require meticulous care due to their age and parts. By using this switch, owners can easily manage battery life while protecting the electrical system from unwanted power drains.
  • Pergunta: Where can I buy the Battery Doctor 20128 Battery Disconnect Knife Switch?

    Resposta: You can purchase the Battery Doctor 20128 Battery Disconnect Knife Switch through Ubuy in São Tomé and Príncipe. Ubuy offers a vast selection of automotive accessories, providing a convenient platform to find this specific switch along with other related products for your vehicle needs.

WirthCo Terminals & Ends Editorial Review

The WirthCo (20128) Battery Disconnect is a reliable and effective solution for disconnecting the battery in vehicles with side terminals. It is not suitable for batteries with top terminals. The switch is made of brass and is rated for 250 amps continuous and 750 amps surge at 12 volts. Customers have successfully used it on various vehicles, including a 1993 Buick Century and an 86 Chevy Camaro. However, it is not compatible with threaded screw/nut top connections on marine deep cycle batteries. The distance from the center of the terminal hole to the yellow base is approximately 2 cm. Overall, this battery disconnect switch provides convenience and helps prevent battery drain during storage.

Avaliações e Classificações dos Clientes

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Prós

  • Reliable and effective solution
  • Made of brass
  • Rated for 250 amps continuous and 750 amps surge at 12 volts
  • Compatible with various vehicles

Contras

  • Not suitable for batteries with top terminals

CONFIANÇA NA PLATAFORMA E SEGURANÇA DO COMPRADOR

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4.3/5 9200 + reviews
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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STD 1009500

Encomende já e receba por volta de Monday, Agosto 10

Qtd.:

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Em conformidade com a norma PCI DSS e com certificação ISO 27001:2022, com pagamentos encriptados e proteção total do comprador em todas as encomendas.

Os nossos principais Parceiros Logísticos
  • fedex
  • dhl
Entrega internacional mais rápida

Recursos e benefícios

  • Easy to install and use
  • Fast and effective way to extend battery life
  • Great for multiple vehicles and power disconnect purposes

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