While charging

Steadily lit (amber)

The battery pack of this unit is being charged.

Steadily lit (amber) - off (*)

The battery pack is fully charged.

^* Some USB ports do not support battery charging although they actually supply power. In this case, even if charging is complete, the battery indicator lamp does not turn off.

During use

Slow blinking (green), 4 seconds interval (lit for 2 seconds and off for 2 seconds)

Battery charge is sufficient (about 60 % or more)

Blinking (green), 2 seconds interval (lit for 1 second and off for 1 second)

Battery charge exists but is approaching low (about 20 % - 60 %)

Fast blinking (red), 1 second interval (lit for 0.5 second and off for 0.5 second)

Battery charge is low and needs recharging (about 20% or less)

Off

The power is turned off, or no battery charge remains. Charge the battery.

Hint

• You can check the remaining battery charge in Checking the status of this unit.