Latest Posts

Kawasaki UTV Teryx dual battery kit

May 7, 2017 2:59 pm

Do you have Kawasaki Teryx UTV? Do you love outdoor and rely on your Teryx UTV? Then get DFNA’s UTV battery isolator. This technology is here to help you provide automatic dual battery switching system.

Get away from battery drain, have an extra battery power for your vehicle, install kawasaki UTV Teyx battery kit for UTVs

Kawasaki Teryx 800-3

Auxillary Battery Kit Isolators Automatic Charging Relay System

March 27, 2017 9:26 pm

Auxiliary batter kit isolator system12V Auxiliary Battery Kit with Automatic Charging Relays System or ACRs, play a vital part in your vehicle’s battery system. They are responsible for preventing loads from discharging or disabling the reserve battery system, which is intended for vital loads such as navigation, communications, or engine starting. Both Auxiliary Battery Kit and ACRs make sure that current is well distributed from the charging source to every battery. Aside from this, they isolate the batteries in case of discharge conditions so that they do not impact other loads.

12V Auxiliary Battery isolator have silicon diodes that serve as check valves, allowing current to pass from the source of charging to the batteries and preventing it from back-flowing at the same time. This causes a voltage drop that amounts to 0.7 volts across the silicon diodes.

Landcruiser dual battery kit Prado 150

March 18, 2017 8:46 am
Toyota prado dual battery system

Toyota prado dual battery system

Landcruiser dual battery kit is a kind of technology where the Do it Yourself TrueAm dual battery isolator is applicable. Build with 12V and 140 sensitive relay

  • 1 set of 140 Amp Voltage Sensitive Relay
  • length of battery cable 19’ 8”
  • A Ground 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





Landcruiser dual battery kit

chevrolet express cargo van masthead

Chevrolet Van Dual Battery Isolator Kit

March 18, 2017 7:54 am
Chevrolet Van is a luxury vehicle used to transport famous guest. It is usually equipped with a complete entertainment system, resulting in maximum used of battery or general power source.When the vehicle is not moving or not charging, often the guest still used the entertainment system. This cause the battery to drain and give problem in starting the vehicle.Now it is no longer a problem due to the availability of TrueAm heavy duty battery kit for Chevrolet Van. Yes, our dual battery isolater system is designed both for automobiles and marine technology.


Cherokee Jeep XJ Battery Isolator Kit with wiring tips

February 6, 2017 3:01 pm

Jeep XJ dual Battery Isolator system

Jeep Cherokee is a type of vehicle best for long country to country drive. From regular jeep model vehicle, the Cherokee model has evolve to a pull blown Sports Utility Vehicle. or SUV challenging various SUV’s manufactured Toyota,Mitsubishi, Wrangler and Ford.

Despite of huge and high tech vehicle, the Jeep XJ still need dual battery isolator system to keep its battery powered while the driver is using all other electronics.

Because TrueAm understand your desired to travel and enjoy the wilderness in the country side in any whether condition, Heavy Duty dual battery system for Cherokee Jeep is created for people who enjoy Do It Yourself technology.

Trueam DBK undertand the need for a simple and easy to follow instruction that is why we have isolator kit suited for any type of Jeep. Now visit this instruction for more installation details.

The Kit is applied any model of Cherokee Jepp.

Auto and Marine Battery Switch


jeep cherokee battery isolator kit

jeep cherokee battery isolator kit




Dodge Ram Dual Battery Kit With Wiring Diagram

January 31, 2017 11:46 pm


RAM Battery Isolator

Dodge RAM Battery Isolator

I am sure you love your Doge Ram and you bring it with all your electronics. When your truck battery is new that would be a problem but after 6 months of using you will fill difficulty in starting engine.

How to install TrueAm Battery Isolator – visit here 

dodge ram 2017 dual battery kit

Dual battery kit for dodge ram

Good news and nothing to worry because even you are using Dodge RAM 2500 or 3500 and what ever year model you have our Dodge RAM dual battery isolator still works fine.

2017 is a big year for dual battery system technology because it is TrueAm’s  6th years providing huge number of dealers through out California, our favorite city St Louis Missouri, those truckers Orange County, all over Texas and Arizona, lovely Florida, busy street of New York and a lot more.

Chevrolet Tahoe 4×4 LTZ Dual Battery Kit

January 8, 2017 12:42 am

Either 2017 or lower model of Chevrolet Tahoe 4×4 you will be needing a dual battery kit. This is because car battery is wear and tear.4x4 ltz cherolet tahoe

The Chevrolet battery is good for 1 year. By the next year, you will start feeling difficulty starting your vehicle.

This is because on the first place you did not use Tahoe dual battery kit.

Yes this battery isolator technology is needed to continually charge your batter even you are using it. This technology will reduce the stress on your battery by keeping reserves power for starting


chevrolet interior

chevrolet interior

Get your Tahoe battery isolator now. This is TrueAm technology tested and servicing American for more than 4 years. Call the number for immediate answer to your inquiries – 866-465-2570.


Hilux dual battery setup

January 3, 2017 11:56 pm

Click here for HILUX Battery Isolator kit

The Toyota Hilux is a huge luxury vehicle manufactured for both city and rugged road. It is a reliable vehicle for long drive. The power of thisToyota Hilux is noticiable in the high way, in the rough road, in uphill road and even wet road.

One of the best electronic in this vehicle is the GPS navigation system. It is always running to provide the driver with best location and position. However, if the vehicle started to get age, you can not always rely on its batter that is why the hilux dual battery setup is needed.

The dual battery hilux setup will increase the life of your battery and provide comport when you travel in a long distance with full electronic support.

Yes Trueam and Toyota Hilux is a perfect match. Call our customer service now 866-465-2570 for your immediate questions or email Dr. Hogan at anytime.

SR5 Hi Rider Double Cab Pick Up Crystal Pearl - HILUX

camper van trailer battery isolator system

Camper Trailer Dual Battery Setup

January 1, 2017 5:05 am
If you love to travel and spend long days on your vacation, you probably with your Camper Trailer Van. Since you bring with you various appliances in your vehicle like Television set, small size refrigeration, sound system and mobile technology for communication.