Harbor Freight Tools

Battery Disconnect Switch

Prevent battery drain with this easy-to-install disconnect switch

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BATTERY DOCTOR 20308 at $16.83 Save 58%

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Quickly disconnect your battery when your vehicle is in storage. Easy-install battery disconnect has a removable knob that lets you disable the battery and prevent power drain. Can also be used as a theft deterrent for project cars and service vehicles.

  • Easily installs onto your battery post with minimal tools
  • Power is disconnected by removing the knob and reconnected by putting it back on
  • Compact size accommodates even the smallest battery compartment
  • Use it on any vehicle stored for long periods, including RVs, boats, and project cars
  • 12 volts, 500 peak/125 continuous amps

TPR, Zinc Die Cast
Product Height
1-1/4 in.
Product Length
3-3/8 in.
Product Weight
0.25 lb.
Product Width
1 in.
Shipping Weight
0.25 lb.
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.