NOCO GENIUS-G750 user manual

The charging time for the NOCO Genius G750 largely depends on the condition and size of the battery you are charging. For a fully discharged and healthy 12V car battery (about 40-50AH), it could take approximately 20-40 hours. However, please remember the G750 is a maintenance charger mainly designed for maintaining and trickle charging batteries, not for quick charging. Always refer to your specific product manual for precise instructions and safety warnings.

Yes, NOCO Genius is designed to charge dead batteries. It has a feature called "Force Mode" or "Force Charge" that allows it to charge batteries that are severely discharged or completely dead.

The NOCO Genius battery charger and maintainer typically has several lights that indicate the status and condition of the charging process. Here is a general guide on what the lights on a NOCO Genius charger mean:
1. Power/On Indicator: This light indicates that the charger is receiving power and is turned on.
2. Diagnostic Lights: These lights indicate the condition of the battery and the charging process. The specific light combinations and their meanings may vary depending on the model, but common indicators include:
- Battery Charge Level: These lights represent the level of charge in the battery. They may be labeled as Low, Medium, or High, with each light indicating a certain range of charge level.
- Charging Progress: Some models have lights that indicate the charging progress, such as a Flashing, Solid, or Rapid Flashing light.
- Error/Warning Indicators: Certain models may have lights that indicate errors or warnings during the charging process. This could include problems like a reversed polarity, a faulty connection, or a defective battery.
It's crucial to consult the specific user manual or product guide provided by NOCO for a complete and accurate understanding of the indicator lights on your specific NOCO Genius charger, as features can vary by model.

It is generally not recommended to leave a NOCO Genius G750 or any other battery charger/maintainer plugged in and running continuously. While NOCO products are designed to be safe and have built-in safety features, there is always a small risk of electrical faults or malfunctions that could potentially lead to damage or even fire hazards. It is advisable to use the charger/maintainer only when necessary, such as when you need to charge or maintain your battery, and then disconnect and store it properly when not in use.