OptiMate MONITOR O-126

MSRP $19.95

Battery status / charge system monitor for 12V lead-acid & 12.8V lithium-ion, with AUTO/DIN plug.

SAE to DIN/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!

The SAE to SAE adapter is ideal for 12V lead-acid & 12.8V lithium LFP batteries.The SAE to SAE adapter is recommended for motorcycles, side by side UTV and ATV.Ideal for 12V lead-acid & 12.8V lithium LFP (LiFePO4) batteries found in the vehicles and craft above.


This cable is SAE to SAE.
Fits both auto and bike sockets


The SAE to SAE adapter connection system fits any SAE standard 2-pin connector.
SAE connection system fits any SAE standard 2-pin connector, includes in-line seal that mates with OptiMate SAEPremium quality!



With weatherproof sealing cap.

Battery status indication every 3 seconds (LED blinks).

Battery status indication for high performance AGM.
Battery status indication for lithium-ion LFP.


Coming soon.

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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 & 12.8V lithium-ion battery and confirm if the vehicle charging system is working correctly. Fits any Ø21mm AUTO and Ø12mm DIN 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 power sport (3th  LED ≥ 12.7V). LED matching charge level blinks every 3 seconds (long term draw less than 0.2mA).
  • Vehicle running: LED arrow mode activates when charge voltage reaches ideal charging voltage; up to minimum 13.5V or ideal range 14V+.


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

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


Version 1 

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