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Free Shipping over $89* | $7.99 Shipping on orders under $89

12V Battery Cutoff Disconnect Switch for Car, Truck, Boat, ATV

Original price $8.99 - Original price $8.99
Original price
$8.99 - $8.99
Current price $8.99

Upgrade your vehicle's security and safeguard its battery with our Battery Disconnect Isolator Master Switch. Complete with a removable key for added convenience and protection, it's suitable for a wide range of applications including ATVs, boats, campers, cars, trucks, and more.

Key Features:

  • Removable Key: Prevents accidental power surges.
  • Waterproof & Dustproof Cover: Adds an extra layer of protection.
  • Durable Construction: Includes one removable key lock to deter theft and extend battery life.
  • Reliable Power Management: Halts electrical power during maintenance tasks, protecting batteries from excessive drain.
  • Versatile Usage: Can stand alone or be securely locked together with other switches.


  • Voltage: 12V/24V
  • Current: 200A Max
  • Operation: ON/OFF
  • Dimensions:
    • Round disk diameter: 2.36" (60mm)
    • Feet Spacing: 1.33" (34mm)
    • Height (no key): 2.99" (76mm)
    • Overall height (with key): 3.93" (100mm)
  • Mounting: Two 3/16" Mounting Holes, 1/4" x 3/4" Studs
  • Terminals: 8mm (5/16") Brass Terminals, Solid Brass Nut and Washer
  • Housing: ABS plastic

Package Includes:

  • 1 x Battery Switch
  • 1 x Key
  • 1 x Waterproof Cover

Package Dimensions: 2.5" x 2.5" x 3"

Package Weight: 4.8oz (0.140 kg)

Easy Installation:

1. Positioning: Identify the ideal location on the front of the battery panel for the switch. Use the product dimensions to determine the hole diameter needed for installation.

2. Safety First: Prioritize safety by disconnecting the negative terminal first. Typically black and marked with a “—” sign, this step prevents electrical short-circuiting or shock, ensuring the safety of both your vehicle and yourself.

3. Positive Disconnect: Next, disconnect the positive battery terminal. Usually red and marked with a “+” sign, this step completes the disconnection process.

4. Simple Connection: Finally, connect the switch to the battery's negative (-) post. With this straightforward process, installation is a breeze, ensuring hassle-free use.

Insider Tips for Battery Disconnect Switches:

  1. Amperage Awareness: Before making a purchase, always double-check the amperage rating. This ensures compatibility with your vehicle, boat, or RV's battery. Remember, different modes of transportation have varying power levels from their alternators.

  2. Precautionary Measures: Prioritize safety by turning off your vehicle before disconnecting the battery. This simple step not only prolongs battery life but also safeguards electrical components and the disconnect switch itself.

  3. Stability Matters: Avoid abrupt power cuts to prevent potential damage to your vehicle's locking navigation system and other anti-theft features. Maintaining stability ensures the longevity of your vehicle's electronic systems.

  4. Battery Replacement Protocol: When it's time to replace the battery, follow the protocol by disconnecting the switch starting with the negative terminal. This method ensures a smooth transition and prevents any electrical mishaps during the process.

  5. Professional Consultation: If you're unsure about the installation process, it's always wise to seek professional assistance. Consulting with a professional not only ensures correct installation but also mitigates the risk of system failure down the line.

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