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25% Off Online Orders of Select Parts and Accessories. Enter Promo Code FOUND25 in Cart

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25% Off All Online Orders of Select Parts and Accessories
Receive 25% Off Your Online Purchase. Use promotional code FOUND25 at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 2/27/17. Online orders scheduled for in-store pick up must be completed by closing on 2/26/17 for discount to apply.

Free Shipping on Orders Over $50 or in-store pickup

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  • Part #: 20128|
  • SKU: 925932

Available tomorrow

Pay in Store Available

    • Disconnect Batteries quickly and easily
    • Stop unwanted Battery Drain
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.

Battery Doctor Battery Disconnect Knife Blade Switch for Side-Mount Terminal Batteries

Our patented Battery Doctor Knife Blade Side-Mount Terminal Disconnect Switch is easy to install and simple to use. Simply mount it on the negative Battery Post and engage the knife blade to initiate battery current and disengage the switch when you want to cut the power off and maximize the life of the battery.
  • Disconnect Batteries quickly and easily
  • Stop unwanted Battery Drain
  • Help Prevent theft, Tampering and Unauthorized Use
  • Improve Safety and Security of Stored Vehicles, RV's and Seasonal Equipment
  • Rated 250 AMPS Continuous and 5750 AMPS surge at 12 Volts
  • Provides 3/8 1 18 Bolt for receiving standard eyelet cable connector