Lit in orange

The battery pack is charging. (Turns off when charging is completed.)

Blinks in orange along with the green power indicator

The battery pack is running out of power. (Normal mode)

Blinks in orange along with the orange power indicator

The battery pack is running out of power. (Sleep mode)

Blinks fast in orange

A battery error has occurred due to a failed battery pack or an unlocked battery pack. (Removable battery pack supplied models)

A battery error has occurred due to a failed battery pack. (Built-in battery pack models)