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Two black rectangular voltmeters with red LED displays and cigarette lighter plugs

Car LED Cigarette Lighter Voltmeter 2 PCS DC 12V 24V

SKU CH-KM15-Q10DN

Two cigarette-lighter voltmeters with a red LED display monitor 12 V and 24 V systems from 6 to 30 V

  • Team affiliation2 Piece
  • Key features2 PCS Car LED Cigarette Lighter Voltmeter, Corded Electric,
  • Real-time voltage monitoring via cigarette lighter socket
  • High-brightness red digital display shows clear readings
  • Measures 6 to 30 V range for 12 V and 24 V systems
  • Black ABS housing resists dirt and corrosion
  • Compact 2.82×1.57×1.18 inch size fits universal sockets

Universal 12-24V DC battery monitor

This two-piece voltmeter plugs directly into any cigarette-lighter socket to give an instant red LED readout of vehicle battery voltage. It suits car, truck and motorcycle owners who want a simple, portable way to check charge state without opening the bonnet or using a separate multimeter.

Operating range -20 to 80 Celsius

The unit draws negligible current while displaying real-time voltage across a 6 to 30 V measuring range. Normal resting voltage shows 12.2 to 12.8 V; once the engine runs the display reflects alternator output, letting you spot charging issues before a no-start situation arises.

ABS housing with polycarbonate display cover

The black ABS shell resists dirt and corrosion while the transparent blue PC window protects the digits and adds fire resistance. Each probe measures 2.82 by 1.57 by 1.18 inches and weighs 0.11 lb for the pair, so they store easily in a glovebox or tool bag and stay put during vibration.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 77% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameSuvnie, Car LED Cigarette Lighter Voltmeter
More details
Team affiliation2 Piece

Questions about this item

How do I install the voltmeter in the cigarette lighter socket?

Push the unit straight into the 12V or 24V cigarette lighter socket until it seats firmly; the red LED display lights immediately and shows live battery voltage from 6 to 30 V.

What maintenance or replacement will the voltmeter need over time?

No scheduled maintenance is required; if the ABS housing or PC display cover cracks from impact or prolonged exposure above 80 °C, replace the unit.

At what temperature does the voltmeter reach its operating limit during sustained use?

The working temperature range tops out at 80 °C; sustained ambient heat beyond that can cause the display to dim or the electronics to shut down.

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