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Please contact your local reseller or salesperson for details on spare part availability.
Your mouse uses LED lights to indicate battery status. When you turn the mouse on, the LEDs light up to let you know the battery status and then turn off to conserve battery power.
LEDs
Description
Three green
100% Charge
Two green
66% Charge
One green
33% Charge
One red
10% Charge
You can also use Logitech Options to receive battery status notifications, including low charge warnings. If you don’t have Logitech Options, you can get it from your product’s Download page.