Having a car or any travel vehicle makes your mind explode. Today it’s the engine and tomorrow its the battery. You need to check everything weekly and monthly to keep it in tip-top shape. Most of the problem occurs when your battery is dead. And we are here for the solution.
If your car has two batteries and still is out of power, that is a shame. This is where a battery isolator comes in. it isolates the power consumption from your primary battery and distributes energy to both of the batteries. It also organizes which battery will be used for what purpose. Your primary stays to operate the starting and essentials of your car and your auxiliary does all the accessories.
This is the magic of having an isolator. If you are thinking of getting one now, you should go through this article for more info. Which one is better for you, your vehicle is all explained.Table could not be displayed.
Top 5 Best Dual Battery Isolator for Your Car, RV, Van, Marine, Truck, ATV or UTV
1. KeyLine Chargers 12V 140 Amp Dual Battery Isolator
Solving primary battery failure is a tough game. KeyLine Chargers 12V 140 Amp Dual Battery Isolator does this with ease. Its Voltage Sensitive Relay (VSR) cuts in at 13.3 volts and cuts out at 12.8 volts, which keeps your primary battery charged all the time. So you get to have two separate batteries for dual purposes.
The KeyLine Chargers 12V is IP65 certified. So if you are an off-roader, or own an off-road vehicle, you don’t have to worry about your isolator going underwater, dust, or rust. It is dust, water, and vibration proof. Making it suitable for any harsh weather or environment friendly.
You get to have a 20 ft red battery cable when you buy this bad boy. A 2 ft. black ground battery cable, positive and negative marine type battery terminal made out of brass metal. And much other tiny stuff that comes along with it.
It comes with a 12-month warranty and a 30-day money-back guarantee if you are not satisfied with the isolator. They are that much dedicated and ambitious about their product.
The isolator works silent, like a silent guardian for your battery.
One thing you have to keep in mind, if you don’t do the wiring properly, it might drain your battery. So please read the manual thoroughly and follow the steps.
- Does what it says.
- Rugged and tough weather and environment protection.
- Silent but sincere.
- Might drain your juice if plugged wrong.
2. True UTV-SBI-CM UTV Dual Battery Connect & Monitor Kit
You have to pay attention to the name sometimes. This isolator is made for those fun time UTV’s. It won’t work on any car or related vehicle. It monitors and lets your primary and auxiliary do their work efficiently.
It comes with an insulator and a 3M dual lock system. A number 6 12 inch black cable and red cable. And 18-inch number 6 red cable for a secondary charge.
The new 36mm single-meter dual display blue LED voltmeter and on/off relay are included.
It works impressively like it is advertised.
There is a catch if you buy from Amazon. The company won’t accept any returns from Amazon. So that’s a little bit disappointing if you are buying online rather than walking in the store for it.
- Great performance, promising outcome.
- Good customer service and instructions.
- Isn’t a good deal if bought from Amazon. No return support.
3. Dual Battery Isolator Kit – HORSMILE 12V 140Amp Voltage Sensitive Relay & Wiring Cable Kit
Another easy to install and long lasting service guaranteed isolator comes from Horsmile. This Dual Battery Isolator Kit – HORSMILE 12V has a VSR of cut in at 13.3 volts and cut out at 12.8 volts. So your primary battery always stays full and changes at all times.
It is a durable isolator system. It can withstand extreme weather, environment, water, and vibration. Though it doesn’t have any certification, it still works fine with any harsh situation.
All the necessary equipment needed to fit this bad boy comes in the box. It is suitable for any type of 4-wheel drive, marine, truck, or caravan vehicle that uses a 12V battery.
The only downside is that the manual is not so helpful. So you have to watch a YouTube video if you are wiring it yourself. Otherwise, you might wire it wrong following the manual and it might drain your battery.
This one also comes with a 12-month warranty and 30-day money-back guarantee if not satisfied.
- Rugged weather and environment protection, water-resistant.
- Supports a lot of vehicles.
- Good warranty and service.
- Manual provided guides in a wrong way
4. Dual Battery Isolator Kit – HORSMILE 12V 140Amp Voltage Sensitive Relay & Wiring Cable Kit
Another one from Horsemile. This little champ also has a Voltage Sensitive Relay (VSR) that cuts in at 13.3 volts and cuts out at 12.8 volts. For this reason, your primary battery always stays fully charged and the auxiliary keeps all the equipment running. No one drains nobody.
Its durability is amazing. It can withstand dust, water, and any form of harsh weather. It is water resistant like all its brothers. So you can do all your ATV or UTV adventure to your heart’s content.
It will work on any kinds of trucks, SUVs, ATVs, UTV, Boats, and any other vehicle that uses a 12 V battery.
The box comes with all the necessary equipment and it wires via your car wires. Which makes it very much convenient.
But the problem still lays in the manual. You cannot get enough or the right information on how to wire this isolator. So you are better off watching a YouTube video. Otherwise, it might drain or battery and keep you stranded in the middle of the road.
Comes with a 12-month warranty and question asked 30-day refund.
- Excellent service and outstanding resistance to weather and water.
- Supports a large number of vehicles.
- Good warranty and support.
- No good manual or instructions to wire the isolator.
5. Dual Battery Isolator Kit, 12V 140 Amp VSR from EXCELFU
This one is intelligent. Like other Isolators, it VSR cuts in at 13.3 volts and cuts out at 12.8 volts. So your primary battery stays charged and you won’t have to worry about breaking down in the middle of the road.
Even when your car is turned off, your car runs on the auxiliary battery. So you always have a staring power.
It has an IP65 certified resistance. So off-road riding is bliss. It is certified water, dust, and vibration resistant. It will endure any harsh conditions.
EXCELFU’s dual battery isolator can be used with any marine vehicle, truck, RV, UTV, van, or off-road vehicle. It fits under the seat and comes with all the accessories.
It comes with a lifetime warranty. So you get to get customer service all your life.
- Easy to install, easy to do guide.
- Works great with any vehicle.
- IP65 certified.
- Lifetime warranty.
- None yet.
Frequently Asked Questions
1. How long cables are provided with dual battery isolators?
The cables provided with dual battery isolators are enough to install the isolators under the hood to the front seats.
2. Will the isolators work if the battery voltages are different?
Yes. Isolators will work even if the batteries have different voltages.
3. Will solar panels work if I have an isolator installed?
Yes. If the solar panel can produce more than 13.3 volts or higher than that, the batteries will charge.
4. Are all isolators waterproof?
No. They come in different resistance. Some are waterproof and some aren’t. But it is rare to find an isolator that is not waterproof.
Having a dual battery isolator in your car or vehicle is essential. As having a battery essential to start your car, to maintain your battery power, you need an isolator. It is a lifetime investment type of situation. If you don’t have an isolator, chances are you might get stranded on the road, river, or the on the back road today or tomorrow. So it is wise to invest in one right away.