OptiMate MONITOR O-126

MSRP $19.95

Battery status / charge system monitor for 12V lead-acid, with AUTO plug.

SAE to Auto 12V socket adapter with state of charge monitor that plugs directly into your motorcycle, ATV/SxS, car, pick-up truck or boat’s 12V power port – Adapter with 24-7 battery status at a blink of an LED!

  • Plug fits any standard Ø21-22mm / 7/8″ 12V cigar / power socket that remains powered / hot when ignition is off, with integrated 10A fuse to protect electronics.
  • Sealed monitor with 4 LEDs indicate battery state of charge from full to empty for 12V 12V lead-acid (AGM, GEL or STD) batteries – LED corresponding to charge level blinks every 3 seconds.
  • SAE quick connect charge port for charging battery when needed – with weatherproof sealing cap when vehicle is moving!
  • Displays charge system status when engine is running – easy pre-run check at a glance to see if battery is receiving charge.





SKU: O-126 Categories: ,


MSRP = Manufacturer Recommended Retail Pricing. Price in EURO and GBP include VAT of 20%. VAT in your region may differ. Price in USD and CAD do not include sales tax.


SKU: O-126

SKU: O-126

SKU: O-126

SKU: O-126


Smart battery lead that measures voltage; monitors charge of a stored 12V Lead-Acid battery and confirm if the vehicle charging system is working correctly. Fits any Ø21mm AUTO socket.

LENGTH: 10”/25cm


CHARGE CONNECTOR: 2-pin SAE, protected from dirt and liquid with rubber sealing cap and shroud.

OPERATION: 2 automatic Modes – Battery charge level monitor (single LED blink mode) & Charging system test (arrow mode).

  • Vehicle storage: 4 LEDs cover ‘full to empty’ voltage range of all 12V batteries, including higher voltage AGM for automotive (4th √√LED ≥ 12.7V). (long term draw less than 0.2mA).
  • Vehicle running: LED arrow mode activates when charge voltage reaches a minimum of 13.5V (√ green LED) or ideal range of 14V+ (√√ green LED).


CABLE RATING: 18AWG (0.82mm2) SPT-2

FUSE: 10 Amp (inside the connector)

USE: -40°C/-40°F very low temperature, remains flexible at ‘below freezing’ temperatures

STYLE: Fully enclosed electronic circuitry with 4 LEDs, SAE charge connector with rubber sealing cap & shroud

WARRANTY: 3-year limited replacement warranty

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