Yes it does! At least my microphone does. It's a wireless microphone that holds a 9V battery.
Yes,they do. and if a cars' batteries run out you have to get a new one.
yes. you can run dual batteries
Yes, they run on more 4-AA batteries. -brett
Angry Birds batteries do not run out on the game you will have unlimited batteries for your birds but you only have a certain amount of birds to use!
There are new registers that can run on both batteries and electricity.
batteries get experation dates because they run out of power.
batteries run down because people use it to much
Chemical energy.
Most portable TVs have the option to run the machine on batteries, Modern portable televisions are LCD and thus able to run off batteries for quite a long time before they die.
2yesrs
Wii remotes run on 2 AA batteries but if you can get a pair of recharable batteries then yes you would need to charge them. (Pick your brand carefully, some batteries run out fast!)
Most portable CD Players run on batteries, although there is a line Sony makes that is rechargeable.