Optimate O128 Monitor - M8/M10 Eyelet

The Optimate O128 Monitor helps you keep track of the charge level of your 12V lead-acid battery, providing clear LED feedback through a permanent weatherproof lead. It gives you continuous status updates using fully enclosed electronics, 4 LED indicators and SAE connectivity, allowing you to check battery condition and charging system performance through a simple visual signal.Discover the key features of this monitor:M8/M10 Battery Eyelet Connectors: The 5/16" (M8) and 3/8" (M10) eyelets create a secure, long-term connection to your battery using a 100cm 16 AWG (1.31mm²) SPT-2W lead that remains flexible down to 40°C, giving you a stable link for monitoring and a reliable point for charging so you can maintain consistent access to battery information.SAE 2-Pin Charge Port with Weatherproof Cap: The SAE charge connector is protected by a rubber sealing cap and shroud that shields the port from dirt and moisture, helping you attach a compatible charger without exposing the connection to the elements and ensuring you have a dependable setup for routine charging.Four-LED Battery Charge Level Monitoring System: The enclosed circuitry uses four LEDs to display the complete voltage range of 12V batteries, including high-performance AGM types, with a single LED blink every three seconds drawing less than 0.2mA, allowing you to check the state of charge at a glance and maintain confidence in the battery s readiness.Automatic Charging System Test Mode: The arrow-based LED mode activates when the system reaches charging voltage, confirming 13.5V as a minimum with a green tick LED and showing the ideal 14V+ charging range with a double green tick, giving you immediate feedback on alternator output so you can monitor charging performance while the engine is running.Integrated 15A Fuse Protection: The built-in 15-amp fuse safeguards the cable and battery connection from overloads, reducing the risk of damage during monitoring or charging and adding an extra level of security to everyday use.You use this monitor to keep clear oversight of your battery s charge level during storage and running, helping you understand when the battery is healthy or when charging is needed. The clear LED indicators and permanent lead give you consistent access to accurate information without removing panels or accessing tight battery compartments. The Optimate O128 Monitor is a practical addition to your motorcycle setup, offering a smart way to maintain reliable starting performance and keep your electrical system in good order.