NOCO Genius G1100EU Guía Del Usuario Y Garantía página 6

Understanding Charge LEDs.
The charger has four (4) state-of-charge LEDs - 25%, 50%, 75% and 100%. See the explanation below:
LED
25% 25% 50% 75% 100%
Red LED
50%
25% 50% 75% 100%
Red LED
75%
25% 50% 75% 100%
Orange LED
100%
25% 50% 75% 100%
Green LED
Maintenance 25% 50% 75% 100%
Green LED
Explanation
The 25% Charge LED will slowly pulse "on" and "off", when the battery is less than 25% fully
charged. When the battery is 25% charged, the red Charge LED will be solid.
The 50% Charge LED will slowly pulse "on" and "off", when the battery is less than 50% fully
charged. When the battery is 50% charged, the red Charge LED will be solid.
The 75% Charge LED will slowly pulse "on" and "off", when the battery is less than 75% fully
charged. When the battery is 75% charged, the orange Charge LED will be solid.
The 100% Charge LED will slowly pulse "on" and "off", when the battery is less than 100% fully
charged. When the battery is fully charged, the green LED will be solid, and the 25%, 50% and
75% Charge LEDs will turn "off".
During maintenance charging, the 100% Charge LED will pulse "on" and "off" slowly. When the
battery is topped off and fully charged again, the 100% Charge LED will turn solid green. The
charger can be left connected to the battery indefinitely.