CTEK Comfort Indicator Eyelet M8

The CTEK Indicator eyelet M8 is a practical LED indicator that provides a simple way of identifying the state of your battery. Compatible with all 12V lead-acid batteries. Designed for permenant attachment to the battery, the simple LED ?traffic light? system will give you an immediate indication to battery charge levels, so you know when to charge. The CTEK Indicator eyelet M8 features CTEK?s unique Connect system, so it can be attached to a CTEK charger, providing easy access to the battery.

Red: means the battery charge is below 12.4 V. It?s definitely time to charge the battery.

Yellow: means the battery charge is between 12.4 and 12.65 V. It?s time to start thinking about charging the battery.

Green: means the battery charge is more than 12.65 V. OK! No need for charging.