Right click on the sound thingy on the bottom right corner of your screen > select Playback devices > Communication > select the last option Don't do anything.
I'm not sure if it will help but you can give it a try.
You cannot store them forever, once there is literally 0% power inside you won't be able to charge it anymore. It's fine to use laptop without a battery but you should charge it once in a while, like once a year I would say.