Product Support: Mice

What do the battery lights mean on my mouse?

Some keyboard and mouse models feature a battery light that shows the current status of the batteries. The following table describes the different lights and states.

Light
Device Model
Status
Single long green blink
Rechargeable
Batteries are good. This occurs when batteries are first installed or every time that the device is turned on.
Slow green blink
Rechargeable
Device is docked in the charging station and is charging properly.
Steady green
Rechargeable
Device is docked in the charging station and does not need additional charging.
Steady green
Presenter Mouse (Japanese version)
Laser pointer is on.
Red/green blink
Wireless
Device is discoverable (trying to connect to the transceiver).
Slow red blink
Non-rechargeable
Batteries are low and need to be replaced.
Slow red blink
Rechargeable
Batteries are low and need recharging.
Fast red blink
Rechargeable
Device is docked in the charging station, but there is a charging error.
Reasons for errors: The wrong type of battery is installed; the battery or batteries are missing; or the battery connection is bad.
Solutions: Make sure that the correct battery or batteries are installed, and are installed correctly. If necessary, remove the batteries, wipe them with a clean cloth, and reinsert them.
Steady red
Presenter Mouse (Standard version)
Laser pointer is on.