Understanding Charge Leds - NOCO Genius BoostPro GB150 User Manual

20-30 seconds and try again. Do not attempt more
than five (5) consecutive jump starts within a fifteen (15)
minute period. Allow the GB150 to rest for fifteen (15)
minutes before attempting to jump start the vehicle
again.

Understanding Charge LEDs.

The GB150 has four (4) Charge LEDs - 25%, 50%,
75% and 100%. These Charge LEDs indicate the
internal battery's state-of-charge (SOC). See below:
LED
25%
Red LED
25% 50% 75% 100%
50%
Red LED
25% 50% 75% 100%
75%
Yellow LED
25% 50% 75% 100%
100%
Green LED
25% 50% 75% 100%
The above charge states apply when the GB150 is NOT
connected to a power supply and recharging.
Explanation
The 25% Charge LED will be solid
when the internal battery is 25% or
less charged.
The 50% and 25% Charge LEDs will
be solid when the internal battery is
more than 25% but less than 50%
charged.
The 75%, 50%, and 25% Charge
LEDs will be solid when the internal
battery is more than 50% but less
than 75% charged.
All four (100%, 75%, 50%, and 25%)
Charge LEDs will be solid when the
internal battery is more than 75% up
to 100% charged.