IB388 Battery Indicators & Error Lights

This chart demonstrates the meanings of the different LED Indicators for the IB388 battery.

LED Indicator	State	Description
Flashing Green	Active (On)	Battery is powered on. Number of blinks indicates charge level (4 blinks = 75-100%).
Solid Blue	Charging	Battery is actively charging.
Flashing Blue	Charging (Balancing Cells) Self-Discharge Mode	Battery is balancing cell voltage while charging. Battery is discharging to storage voltage (40%) after being above this level for over 72 hours. The battery will warm up during this process.
Solid Red	Active BMS Error During Flight	A Battery Management System (BMS) error was detected while that battery was in use. If pressing the status button does not clear it, contact IFT Support.
Flashing Red	Active BMS Error	An unresolved error is still present. If pressing the status button does not clear it, contact IFT Support.
Alternating Blue & Red Flashing	Wake-Up Error	Error occurred while waking from sleep mode. Ensure nothing is connected and press the button once. If it persists, contact IFT Support.
Solid Green	Fully Charged	Charging is complete, and the battery is ready for use.
Flashing White	Enter Sleep	Battery is entering deep sleep mode.
No LED (Off)	Sleep Mode	Battery is in sleep mode. Press the LED button once to wake.