NOCO GENIUS-2 user manual

According to the manufacturer, the Noco Genius 2 charger is designed to charge a dead battery over a period of time. The charging time can vary depending on the battery size, its current charge level, and the specific condition of the battery. However, as a general estimate, it might take several hours or even overnight to fully charge a dead battery using the Noco Genius 2 charger. It's always recommended to refer to the user manual for precise charging times and instructions based on your specific battery and charger.

The lights on the Genius Gen 2 battery charger serve as indicators for various battery charging status. Here's a breakdown of what each light represents:
1. Power: This light indicates whether the charger is receiving power and is turned on.
2. Error: The Error light is used to indicate any faulty connection or issue with the charging process. If this light turns on, it usually means there is an error or problem that needs to be addressed.
3. Mode: The Mode light signifies the charging mode the charger is currently in. It can indicate whether the charger is in maintenance mode, recovery mode, or charging mode.
4. Alternator Check: This light is used to indicate whether the charger is performing an alternator check. It helps to assess the health of the vehicle's alternator and charging system.
5. Battery Status: The Battery Status light displays the current charge level of the battery being charged. It typically uses a 5-level LED indicator to show the battery's charge status.
6. Fault: The Fault light illuminates when the charger detects a fault or issue with the battery or charging process. This could indicate an internal fault, a problem with the battery, or other issues.
It's essential to refer to the specific user manual or product documentation of the Genius Gen 2 battery charger for detailed information on the lights and their corresponding meanings, as they may vary slightly depending on the specific model or version.

Yes, you can leave your Noco Genius 2 plugged in. It is designed to be left plugged in and will automatically monitor and maintain the battery charge level. This feature is especially useful for maintaining the battery charge of vehicles or equipment that are stored for extended periods of time. However, it is always a good idea to refer to the product manual and follow any specific guidelines provided by the manufacturer for optimal usage.