Magic mouse2
My Magic Mouse no longer holds a charge. It is flat in a few days. It is three years old b
iMac 21.5″, macOS 13.4
Question marked as
Then it may be possible that the rechargeable battery, inside of this mouse, is completely depleted. AFAIK, Apple does not repair these devices. However, you can still take it your local Apple Store or Apple Authorized Service Provider to have them take a look and provide you with your options. Most likely, you will have to replace it at your cost.