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25% Off Select Parts and Accessories
Receive 25% Off Your Online or In-Store Purchase. Use promotional code MMJ25 at checkout to receive discount. Not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included will be displayed in product search results and product detail pages. INCLUDES the following categories: Starters, Alternators, Fuel Pumps, Radiators, Shocks & Struts, Chassis, CV Axles, Batteries, Ignition, Window Motors, Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Headlamps and Bulbs. Excludes the following brands: Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner and BBK Performance. Valid online until 2:59 am EST on 5/1/17.

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  • Part #: 20309|
  • SKU: 662888

Available tomorrow

Pay in Store Available

    • Includes a 15 amp Fused Bypass that Maintains Computer Settings, Radio, Clock, etc While Battery Is Disconnected
    • Battery Is Disconnected By Unscrewing The Knob A Few Turns, And reconnected By Tightening The Knob
Retail
$9.99
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WirthCo Engineering Battery Doctor Top Mount Knob Battery Post With Fuse Bypass

Our Top Mount Knob Battery Post With Fuse Bypass is easy to install and perfect for preventing unwanted Battery Drain while maintaining Computer Settings, Radio, Clock, etc when the Battery is disconnected.
  • Includes a 15 amp Fused Bypass that Maintains Computer Settings, Radio, Clock, etc While Battery Is Disconnected
  • Battery Is Disconnected By Unscrewing The Knob A Few Turns, And reconnected By Tightening The Knob
  • Knob Can Be Removed To Deter Theft
  • Compact Size Fits Most Battery Compartments
  • Rated 500 amps Surge And 125 amps Continuous At 12 Volts
  • Easy To Install On Negative Battery Post


662888

WirthCo Engineering Battery Doctor Top Mount Knob Battery Post With Fuse Bypass is rated 4.8 out of 5 by 4.
Rated 5 out of 5 by from Great Battery Saver Great way to preserve your battery on a vehicle that is either stored or rarely used without having access to a power charger to keep things up and running.
Date published: 2015-07-30
Rated 4 out of 5 by from Switch works good, no dead battery. I was having problems with my battery going dead while the car sat idle. Now I can turn the battery off without having to get any tools out.
Date published: 2015-05-27
Rated 5 out of 5 by from looks good ,works good , is good good deal
Date published: 2015-01-19
Rated 5 out of 5 by from Great for classic cars not used much Have been using this for years. saves a lot of aggravation.
Date published: 2014-10-11
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