Description
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A TRUE® exclusive!

True® Single Meter Dual Display (Blue display) is a compact voltmeter designed to monitor two independent 12V battery systems simultaneously. It features dual blue LED displays for real-time voltage readings, supports a wide range of 0–30V, and is built for rugged environments like UTVs, RVs, and marine setups.
TESTIMONIALS
“The Single Meter Dual Display Volt Meter gives me peace of mind. Compact, waterproof, and easy to install, it monitors both batteries at once with a bright blue LED display. Accurate readings keep my UTV and RV powered reliably. It’s durable, space‑saving, and worth every cent for dependable dual battery monitoring.”
Mark Anderson, Off-Road Enthusiast
Frequently Asked Questions!
1. What is P.E.P.® (Proprietary Efficiency Programming)?
- P.E.P.® is TrueAm’s smart logic that optimizes battery protection and charging efficiency.
- It ensures the isolator only connects when safe and beneficial for both batteries
2. Does it regulate charging amps?
- No, the SBI doesn’t regulate amperage. That’s handled by your alternator and voltage regulator.
- The SBI simply controls when the second battery is connected based on voltage thresholds.
3. How do I install it?
- DIY-friendly with waterproof cables, 3M Dual Lock™ fasteners, and clear wiring diagrams.
- Can be mounted on any clean flat surface—including directly on the battery case
4. Can I manually override or shut it off?
- The male connector underneath can be wired for remote shutoff.
- Inline switches are optional but not required—SBI handles disconnection automatically.
5. How do I monitor battery status?
- Optional Single Meter Dual Display (SMDD) shows real-time voltage for both batteries.
- Saves space and simplifies monitoring











