ENGINE IGNITION FLAG SYSTEM

An engine ignition flag system may include an engine, a starter motor coupled to turn the engine, a battery configured to power the starter motor, a sensor coupled to the engine and configured to provide sensor data indicating a speed of the engine, a user interface and a controller operatively coupled to the sensor. The controller is configured to receive, from the sensor, the sensor data corresponding to a measurement period, determine, based the speed of the engine during the measurement period, a condition of the battery, and, control the user interface to provide a notification indicating the condition of the battery.