cs@trueam.com | 509-828-5170 | Dealer Login Become a Dealer
Cart 0
True® Voltmeter Dual Display

True® Voltmeter Dual Display

Wholesale pricing is dealer-only

Sign in to your dealer account to see net price, volume breaks and stock at your assigned warehouse.

Dealer Login Become a Dealer
Retail buyer? Find an authorized online store or local installer.

Dealer login to see wholesale price

 
The True® Dual Display Voltmeter is a compact, waterproof LED gauge designed to monitor two battery voltages simultaneously with precision. Featuring bright, easy-to-read digital displays, it allows you to keep real-time track of both your starter and auxiliary batteries at a glance. Built with rugged, shock-resistant construction, it’s perfect for off-road, marine, and RV applications.
 

  • Fits a standard auxiliary power source whole
  • Dual Blue LED readouts on one unit
  • Includes heat-shrink wire terminals for secure application
  • 8ft of duplex connection wire
  • Harness and Relay
  • Instructions

 
SMDD(1)

Categories: , Tags: ,

Description

True® Voltmeter dual display

 
True® Dual Display Voltmeter – Real-Time Battery Monitoring at a Glance
 
Stay in control of your power system with the True® Dual Display Voltmeter—designed to give you instant, side-by-side voltage readings from both your main and auxiliary batteries. Whether you're running lights, winches, or sound systems, this compact meter ensures you never get caught off guard by a drained battery.
 
Pair it with the True® UTV-SBI-18 or SBI-19L isolators for a complete dual battery management system. Want this formatted for a product page or bundled kit listing? I can help with that too.
 

 

 

Why Customers Trust the True® Isolators

 

★★★★★

“The True® Lithium Kit was a game-changer for my 4WD setup. Easy to install and rock-solid performance on long trips.”

— Mark T., Minnesota

★★★★★

“Installed it in my boat—no voltage drop, no drama. The waterproof cabling and smart relay are top-notch.”

— William L., Utah

★★★★★

“Perfect for my caravan. The automatic battery management saves me time and worry—highly recommended.”

— Dave R., Colorado

 

Amazon Rating

 

Amazon Review

True® Dual Display Voltmeter – Real-Time Battery Monitoring at a Glance
 
Stay in control of your power system with the True® Dual Display Voltmeter—designed to give you instant, side-by-side voltage readings from both your main and auxiliary batteries. Whether you’re running lights, winches, or sound systems, this compact meter ensures you never get caught off guard by a drained battery.
 
Key Features:
 

  • • Dual LED Displays
    Simultaneously shows voltage for both primary and secondary batteries—no toggling required.
  • • Blue Backlit Readout
    Easy to read in daylight or low-light conditions without being distracting.
  • • Compact, Flush-Mount Design
    Fits cleanly into dash panels, switch plates, or custom enclosures.
  • • Plug-and-Play Wiring
    Includes 8 ft. of duplex wire with pre-installed connectors for fast, hassle-free installation.
  • • 12V System Compatibility
    Ideal for UTVs, ATVs, boats, and off-road vehicles with dual battery isolator setups.
  • • Water-Resistant Housing
    Built to withstand rugged environments and outdoor exposure.Pair it with the True® UTV-SBI-18 or SBI-19L isolators for a complete dual battery management system. Want this formatted for a product page or bundled kit listing? I can help with that too.

Q1: What does the voltmeter display?
A: It shows real-time voltage readings for two separate 12V batteries simultaneously—your main and auxiliary—on a single unit.
 
Q2: Is it compatible with lithium batteries?
A: Yes. It works with any 12V battery type, including lithium, AGM, and lead-acid systems.
Q3: Can I install it myself?
 
A: Absolutely. It includes 8 ft of duplex wire with pre-installed connectors and heat-shrink terminals for secure, DIY-friendly installation.
 
Q4: Is it waterproof or weather-resistant?
A: Yes. The unit is durable and weatherproof, designed for UTVs, ATVs, boats, and off-road vehicles.
 
Q5: Does it fit standard dash openings?
A: Yes. It fits a standard round auxiliary power hole, making it easy to mount in most dashboards or switch panels.
 
Q6: Does it require a relay or fuse?
A: The kit includes a relay and harness instructions to ensure safe and proper installation.
 
Q7: What color is the display?
A: It features dual blue LED readouts that are bright, easy to read, and low-glare for night use.

Related products

s2Member®