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When items are added to the cart, the following discount structure will apply: 15% Off $50-$74.99, 20% Off $75-$99.99 and 25% Off $100 or More. Not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, service, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Oil, Antifreeze, Refrigerant, Truck Boxes, AGM Batteries and MAP Priced 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&am;M, MSD, WeatherTech, Spectre, AEM, Airaid, SPE, Bolt Lock, Aeromotive, Absorber, Moog, Wagner, Champion, Felpro, Sea Foam and BBK Performance. Valid online until 11:59 pm EST on 1/31/18.

Receive 10% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

Receive 10% Off Select Champion branded products with your online purchase. Use promotional code: CHAMP10.

Receive 10% Off Select FelPro branded products with your online purchase. Use promotional code: FELPRO10.

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed service merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes select products, brands and MAP priced items. For full category inclusions and disclaimers, see details here. Valid online until 11:59 PM EST on 1/31/18.

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WirthCo Engineering Battery Doctor 100 Amp Multiple Battery Isolator 1148866
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  • Part #: 20090|
  • SKU: 1148866

5 days after 6 p.m.


    • Allows Multiple Batteries to be Hooked-Up to One Alternator-
    • Eliminates Multiple Battery Drain and Dead Batteries
Retail
$64.99

WirthCo Engineering Battery Doctor 100 Amp Multiple Battery Isolator

Our new state-of-the-art, fully automatic multiple battery controller is suitable for any vehicle with an auxiliary battery. Smaller and lighter than other standard battery isolators, the Battery Doctor Battery Isolator employs state-of-the-art electronic switching control technology. Our high-performance electronic isolator allows you to charge two or more batteries from a single alternator and keeps the starting battery isolated from the auxiliary batteries. Also, with a single push of the override/reset button, you can change the batteries to parallel mode for jump starting.
  • Allows Multiple Batteries to be Hooked-Up to One Alternator-
  • Eliminates Multiple Battery Drain and Dead Batteries
  • Provides Surge Protection for Vehicles with Electronic Ignition/Management Systems
  • Automatically Charges the Auxiliary Battery(ies)
  • Water Resistant
  • Easy-to-Install: Does Not Require Any Changes to the Vehicle's Existing Wiring


1148866

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