OptiMATE MONITOR O-125

Battery status / charge system monitor for 12V lead-acid, with in-line SAE connectability.

OptiMATE MONITOR O-125

Battery status / charge system monitor for 12V lead-acid, with in-line SAE connectability.

CAD 23.86 / USD 17.90 Sku: O-125

€ 20.99 Sku: O-125

USD 17.90 Sku: O-125

Monitor charge of any 12V lead-acid battery or confirm if vehicle charging system is working correctly. Connects to any SAE battery lead or adapter.




  • 2 automatic Modes – Battery charge level monitor (single LED blink mode) & Charging system test (arrow mode).
  • 4 LEDs cover ‘full to empty’ voltage range of all 12V batteries, including higher voltage AGM for power sport (4th √√ LED ≥ 12.7V ).
  • Battery charge level : LED matching charge level blinks every 5 seconds (long term draw less than 0.2mA).
  • Fast blink mode for first 15 seconds after connection to battery, ideal for quick check of multiple batteries (e.g. vehicles on showroom floor).
  • Vehicle Charge system : LED arrow mode activates when charge voltage reaches minimum 13.5V ( green LED) or ideal range of 14V+ (√√ green LED).
  • SAE charge port with weatherproof sealing cap.
  • Length=6″ / 15cm, SAE connector.

Premium battery monitor designed by TecMate. 3-year limited warranty.