Clean your contacts

No, not your contact lenses. If you own a wireless mouse where you have to either dock it in a recharge station, or swap out little Lithium batteries, then I say "Clean your contacts".

I figured my mouse was just dying it's inevitable death by struggling to seat properly in the charger. When I checked the contacts they were dirty, I cleaned them and voila. Like magic, it works properly.

...lord knows how they could have possibly gotten dirty.