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Dual Battery Isolator Kit - 12 Volt 140 Amp Voltage Sensitive Relay - Complete VSR Double Battery Automatic Charger - Fits Trucks, ATV, SUV, UTV Boats and More - Safe, Water and Vibration Resistant

4.4 4.4 out of 5 stars 262 ratings

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  • Dual Battery Isolator Kit - enables your accessories to run from a separate battery while the engine is not running on your vehicle while keeping your main battery charged and your vehicle always ready to go and start when you want it to. This dual battery isolator kit features 12 Volt 140 Amp Voltage Sensitive Relay Isolator and includes all the bits and pieces needed for a complete installation.
  • Fits A Wide Variety of Vehicles - Being the computer age that it is today, a lot of accessories, tools and gadgets that runs on electricity are essential in our everyday living or hobbies. This dual battery isolator kit with printed installation instruction manual gives you the power for your recreation without needing to worry about getting home after.
  • Complete Kit With Printed Installation Manual - This dual battery isolator kit manufactured by AA Ignition is a complete kit which includes the Isolator or Relay, battery Cables, battery terminals, copper lugs, heat shrinks, cable ties and a printed instruction manual.
  • Premium Rugged Construction - This dual battery isolator kit is all you need to charge a dual battery system. It features a voltage sensitive chip ensuring your primary battery is always ready for your vehicle to run. This dual battery isolator is also built to withstand extreme weather environments, vibration and is water resistant.
  • Lifetime Warranty - This 12V 140 Amp dual battery isolator kit comes complete with a lifetime warranty. If the part ever fails on your Truck, SUV, RV, ATV, UTV or Boat simply contact us for a replacement. Avoid getting stucked after your recreation by purchasing this dual battery isolator kit from AA Ignition.

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Package Dimensions ‏ : ‎ 12.13 x 8.54 x 3.03 inches; 4.17 Pounds
  • Date First Available ‏ : ‎ November 4, 2016
  • Manufacturer ‏ : ‎ AA Ignition
  • ASIN ‏ : ‎ B07N15Z5GP
  • Customer Reviews:
    4.4 4.4 out of 5 stars 262 ratings

Product Description

The dual battery isolator kit enables your accessories to run from a separate battery while the engine is not running on your vehicle while keeping your main battery charged and your vehicle always ready to go and start when you want it to. This dual battery isolator kit features 12 Volt 140 Amp Voltage Sensitive Relay Isolator and includes all the bits and pieces needed for a complete installation.

Being the computer age that it is today, a lot of accessories, tools and gadgets that runs on electricity are essential in our everyday living or hobbies. This dual battery isolator kit with printed installation instruction manual gives you the power for your recreation without needing to worry about getting home after.

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Power for your recreation without needing to worry about getting home after.

Safely charge all the batteries in your vehicle's electrical system. Never get stranded with a dead battery again.

A water resistant design means the battery isolater will perform in extreme conditions including, rain, mud, & snow.

Built to last. The battery isolator is designed to prevent loose or unstable connections that can occur in bumpy situations. Have piece of mind that your electrical system is safe even when driving off road.

Includes the Following Components

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140 AMP Battery Isolator with manual override

  • 20ft 7AWG Red Battery Cable
  • 2ft 4AWG Black Ground Cable
  • Battery to Chassis Ground Cable

  • 2x Positive Battery Terminals
  • 1x Negative Battery Terminal
  • 3x Battery Lug Connectors
  • 3x Heat Shrink Covers
  • Installation screws, washers, nuts
  • Installation manual

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Experience the AA Ignition Difference!

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16576-ET00A

ASE Certified Technicians

Installing parts on you vehicle can be difficult and we understand. That's why we have certified technicians on staff to assist you with installation or even properly diagnosing your car. Our technicians will even provide the factory repair manual to make installation easier for you.

Strict Quality Control

All of our battery relays undergo strict quality control not just before shipping but throughout the production process. During each step of production multiple quality control checks are performed to insure each and every part lasts for years to come.

An American Small Business

AA Ignition is a division of GWA Auto Parts and we are proud to be an American Small Business. Located in sunny South Florida and founded by long time car enthusiasts, AA Ignition takes pride in providing quality products at an exceptional value.

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
262 global ratings

Customers say

Customers like the performance, ease of installation, and quality of the relay. They mention that it works great, the instructions made installation easy, and that it comes with decent quality components and heavy duty wiring.

AI-generated from the text of customer reviews

24 customers mention21 positive3 negative

Customers like the performance of the relay. They mention that it works great, but keep in mind that it won't start charging secondary.

"...All in all, a well assembled kit. Installation was simple, and works well. It does exactly was I needed...." Read more

"works great, never a dead battery, super easy to install" Read more

"Was easy to install and works great. Nice that everything you needed was included" Read more

"...I was able to install it with ease. No problems works great...." Read more

20 customers mention20 positive0 negative

Customers find the installation of the relay to be easy with decent instructions. They mention that it works well and is straight forward to hook up.

"...All in all, a well assembled kit. Installation was simple, and works well. It does exactly was I needed...." Read more

"works great, never a dead battery, super easy to install" Read more

"Was easy to install and works great. Nice that everything you needed was included" Read more

"...I was able to install it with ease. No problems works great...." Read more

5 customers mention5 positive0 negative

Customers are satisfied with the quality of the relay. They mention that it comes with decent quality components, heavy duty wiring, and ring terminals. Overall, customers find the product to be a great and complete kit.

"Very good quality material 👍👍👍..." Read more

"...There was ample heavy duty wiring provided, as well as ring terminals. All in all, a well assembled kit. Installation was simple, and works well...." Read more

"Good quality product no issues" Read more

"Great kit. Installed in my 2002 Toyota Tundra . Took only about 1 hour and also installed the override switch...." Read more

3 customers mention3 positive0 negative

Customers are satisfied with the battery life of the relay. They mention that it works great, keeps batteries topped off, and provides plenty of power to charge RC car.

"works great, never a dead battery, super easy to install" Read more

"...This product help me put that to rest.Vehicle starts, second battery stays juiced up and plenty of power to charge rc car battery with vehicle..." Read more

"Exactly what I needed. Easy to install. Keeps batteries topped off when solar isn't an option." Read more

Awesome product
5 Stars
Awesome product
Super easy to install love that the yellow wire allows me to start my utv off of the 2nd battery if my starting battery does die. It went on my 2014 Massimo 500
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