Best Dual Battery Isolator Kit

Last Update:

We found 56541 reviews when researching. we made the list of best Dual Battery Isolator Kit. We have listened to feedback from users regarding the Dual Battery Isolator Kit to make the list. You can pick one of the Dual Battery Isolator Kit from the list without any doubt.

Best Dual Battery Isolator Kit

Comparison Chart for Best Dual Battery Isolator Kit

We scanned 56541 feedbacks before putting any suggestionsWe listed the best Dual Battery Isolator Kit here. our suggestions includes only the finest of them in this article.

NoProductScoreAction
1MaySpare Dual Battery Isolator Kit 12V 140Amp Voltage Sensitive Relay VSR Double Battery Automatic Charger & Wiring Cable Kit9.6Buy on Amazon
2200 AMP Heavy Duty Dual Auxiliary Battery Isolator Copper Cables Complete Kit9.4Buy on Amazon
3Dual Battery Isolator Kit - HORSMILE 12V 140Amp Voltage Sensitive Relay & Wiring Cable Kit9Buy on Amazon
4Dual Battery Isolator Kit - 12 Volt 140 Amp Voltage Sensitive Relay - Complete VSR Double Battery Automatic Charger - Fits Trucks9Buy on Amazon
5Dual Battery Isolator Kit - HORSMILE 12V 140Amp Voltage Sensitive Relay & Wiring Cable Kit8.6Buy on Amazon
6True UTV-SBI-CM UTV Dual Battery Connect & Monitor Kit8.6Buy on Amazon
7Dual Battery Isolator Kit 12 Volt 140 Amp Voltage Sensitive Relay Complete VSR Double Battery Automatic Charger8.6Buy on Amazon
8Dual Battery Isolator Kit8.4Buy on Amazon
9KeyLine Chargers 12V 140 Amp Dual Battery Isolator Voltage Sensitive Relay (VSR) Pro Dual Battery Kit8.2Buy on Amazon
10Ampper 12V 140Amp Dual Battery Isolator Kit8.2Buy on Amazon

Table Of Content:

1. MaySpare Dual Battery Isolator Kit 12V 140Amp Voltage Sensitive Relay VSR Double Battery Automatic Charger & Wiring Cable Kit

  • 12V, 140A, 13.
  • Working Voltage: Having Voltage Sensitive Chip,Rely Cuts in at 13.
  • Fuction:Like Having Two Separate Power Sources,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.
  • Compatibility: This battery isolators are small and suitable for almost anywhere, for ATV, UTV, Boats, RV’s,marine vehicle, truck, caravan.
  • LIFETIME WARRANTY :100% High Quality and Enjoy Full Life Warranty, Free Exchange

2. 200 AMP Heavy Duty Dual Auxiliary Battery Isolator Copper Cables Complete Kit

  • 200 amp battery isolation relay.
  • One 10 foot superior quality, heavy duty cable assembly utilizing 4 gauge 100% OFC copper.
  • Four 4 gauge gold ring terminals (3/8” opening) with matching red rubber protective boots
  • Two gold plated AGU fuse holders with two 100 amp gold fuses to fully protect both batteries and all vehicles electrical components.
  • Two #10 spade/lugs to connect to the battery isolation relay and two quick splice connectors to connect switched (key/ignition) 12 volt positive and ground from vehicle to small posts on battery isolation relay.

3. Dual Battery Isolator Kit – HORSMILE 12V 140Amp Voltage Sensitive Relay & Wiring Cable Kit

  • RUGGED DURABILITY -This dual battery isolator kit is all you need to charge a dual battery system.
  • EASY TO INSTALL – No alternator or ignition connection needed,You don’t need any additional components to complete installation as everything is included in the kit, including leads, connectors, screws, zip ties, and more.
  • VOLTAGE SENSITIVE RELAY – The Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems.
  • FITS A WIDE VARIETY OF VEHICLES – 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.
  • BUY WITH CONFIDENCE – Every 140 Amp Dual Battery Isolator is Backed by an Industry Leading 12-month Warranty.

4. Dual Battery Isolator Kit – 12 Volt 140 Amp Voltage Sensitive Relay – Complete VSR Double Battery Automatic Charger – Fits Trucks

  • 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.
  • 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.
  • 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.
  • Lifetime Warranty – This 12V 140 Amp dual battery isolator kit comes complete with a lifetime warranty.

5. Dual Battery Isolator Kit – HORSMILE 12V 140Amp Voltage Sensitive Relay & Wiring Cable Kit

  • RUGGED DURABILITY -This dual battery isolator kit is all you need to charge a dual battery system.
  • EASY TO INSTALL – No alternator or ignition connection needed,You don’t need any additional components to complete installation as everything is included in the kit, including leads, connectors, screws, zip ties, and more.
  • VOLTAGE SENSITIVE RELAY – The Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems.
  • FITS A WIDE VARIETY OF VEHICLES – 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.
  • BUY WITH CONFIDENCE – Every 140 Amp Dual Battery Isolator is Backed by an Industry Leading 12-month Warranty.

6. True UTV-SBI-CM UTV Dual Battery Connect & Monitor Kit

  • RETURNS AUTHORIZEDAMAZON WILL NOTACCEPTED
  • 1- True UTV-SBI-18 Isolator with silicon insulators andDual Lock fastner
  • 1- 36mm blue led volt meter with dual rdisplay (requires29mm mounting hole), inludesx 18ga duplex wire with connectors.
  • 1 ea- Trueinch sealed 6ga Red and Black Cables with 6mm lugs

7. Dual Battery Isolator Kit 12 Volt 140 Amp Voltage Sensitive Relay Complete VSR Double Battery Automatic Charger

  • This item can install to most of vehicle,for example Truck, SUV, RV, ATV, UTV, Boat and so on.
  • Function: Cause your accessories to run from a separate battery while the engine is not working on your vehicle, and at the mean time holding your main battery charged and your vehicle always ready to work.
  • This package is including 12 Volt 140 Amp Voltage Sensitive Relay Isolator and includes all other accessrioes.
  • It can work in dusty, wet and unexpected extreme weather condition.
  • Warranty : We provide 6-month warranty,If you have any questions ,You can contact us and we will reply you within 24 hours.

8. Dual Battery Isolator Kit

  • Robust and durable: It’s like having two separate power sources for each battery and only one alternator! This dual battery isolator can also withstand extreme weather conditions, vibration, and IP65 waterproofing.
  • Easy to install: This dual battery isolator kit includes all the parts needed for a complete installation (battery cable, battery terminals, copper lugs, heat shrink tubing, cable ties).
  • Suitable for a wide range of vehicles.
  • What’s in the box: 1x Smart Battery Isolator, 1x6000mm long 10mm square red cable with terminals on both ends, 1x600mm long 10mm square black ground cable with terminals on both ends, 2x positive marine battery terminals; 1x negative marine battery terminals, 3xSC 16-8 copper crimp lugs, 2x red heat shrink, 1x black heat shrink, 1x insulated blue ring termination, 6x300mm cable ties, 4x self-tapping screws, 2xM6 nuts, 2xM6 spring washers.
  • While ensuring quality, it offers a 1-year warranty policy. Please buy with confidence.

9. KeyLine Chargers 12V 140 Amp Dual Battery Isolator Voltage Sensitive Relay (VSR) Pro Dual Battery Kit

  • ZERO VOLTAGE DROP: Forget the traditional diode relays and so-called “solid state” devices that can rob you of almost 2 amps of output power! The KeyLine Dual Battery Isolator is the only unit designed with cutting edge programming to deliver optimum performance – with ZERO sacrifice.
  • VOLTAGE SENSITIVE RELAY: The KeyLine Automatic 140 Amp Dual Battery Isolator is all you need to charge Two Battery Systems.
  • RUGGED DURABILITY: Unlike other isolators on the market, the KeyLine Automatic 140 Amp Dual Battery Isolator is IP65 Certified.
  • WHAT YOU GET: (1) 140 Amp Voltage Sensitive Relay (VSR); (1) 20 ft red battery cable; (1) 2ft black ground battery cable; (2) positive brass marine type battery terminals; (1) negative brass marine type battery terminal; tinned copper lugs & heat shrink; cable ties; easy-to-follow instructions.
  • BUY WITH CONFIDENCE: Every 140 Amp Dual Battery Isolator is backed by an industry leading 12-month warranty.

10. Ampper 12V 140Amp Dual Battery Isolator Kit

  • Purpose: this voltage sensitive relay kit is design for two battery systems (SUITABLE for Acid-Lead batteries, NOT SUITABLE for Lithium batteries), allow to having two separate power sources while charging by one alternator, it’s all need to charge and isolate two battery systems.
  • Primary Battery Protected: cuts in at 13.
  • Heavy Duty: this voltage sensitive relay kit is heavy built to suitable for almost anywhere even off-road, which is water resistant, shock resistant, dust proof and withstand unexpected extreme weather environments.
  • Compatible: used for DC 12 V two battery systems isolate and charge, universal used for car, vehicle, RV, ATV, UTV and boat, also two battery electrical equipment.
  • Easy to use: this VSR kit comes with all the pieces needed (battery cables, battery terminals, copper lugs, heat shrinks, cable ties) for a complete installation.

How To Choose The Best Dual Battery Isolator Kit

Does the thought of finding a great Dual Battery Isolator Kit stress you out? Has your mind been juggling between choices when it comes to buying Dual Battery Isolator Kit in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Dual Battery Isolator Kit for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about Dual Battery Isolator Kit. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best Dual Battery Isolator Kit in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Dual Battery Isolator Kit currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top Dual Battery Isolator Kit brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Dual Battery Isolator Kit based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Dual Battery Isolator Kit before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Dual Battery Isolator Kit they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Dual Battery Isolator Kit, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Dual Battery Isolator Kit before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Dual Battery Isolator Kit will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Dual Battery Isolator Kit if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Dual Battery Isolator Kit on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our Dual Battery Isolator Kit on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Dual Battery Isolator Kit featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

Leave a Comment