Optimate O126 Cigarette Lighter Plug Monitor

The Optimate O126 Cigarette Lighter Plug Monitor helps you check the charge level of your 12V battery and confirm whether your vehicle s charging system is functioning correctly. It works through integrated LED indicators that monitor voltage levels, supported by two automatic modes and a plug design that fits both Ø21mm auto and Ø12mm DIN sockets.Discover the key features of this monitor:Dual-Format Plug Connector: A Ø21mm auto and Ø12mm DIN plug arrangement provides a direct connection to standard vehicle sockets, giving you a stable link for reliable voltage monitoring and helping you verify battery and charging system performance during use.Four-Stage LED Monitoring System: A fully enclosed electronic circuit powers four LEDs that read battery voltage from full to empty, including higher-voltage AGM batteries, which allows you to see consistent voltage status updates every three seconds and gives you clear confirmation of charge condition during storage.SAE Charge Connector with Rubber Sealing Cap: A 2-pin SAE output housed within a rubber-sealed shroud protects the connector from dirt and moisture, enabling you to maintain a clean and secure charge point and helping you keep your setup functional in varied conditions.Automatic Charge Level and Charging System Modes: Two automatic modes use single-blink monitoring and arrow indicators to show battery level at rest and charging status when running at 13.5V or above, allowing you to check both battery health and alternator performance through simple visual cues.Low-Temperature Flexible Cable: An 18AWG SPT-2W cable rated for use down to 40°C provides reliable flexibility in cold environments, supporting stable monitoring during winter conditions and ensuring the monitor remains practical when temperatures drop.You use this tool to keep track of battery condition during storage or regular checks, helping you understand when your battery is holding charge properly and when your charging system is reaching the ideal voltage range. The compact plug-in format and clear LED feedback support quick assessments during routine upkeep. This monitor is a practical addition to your vehicle setup, offering a straightforward way to stay informed about electrical performance and acting as a smart choice for keeping your charging system in good order.