Originally Posted by
Letitride3c
Replacement batteries, when available, are always expensive and they do eventually wear out just like our NiMH batteries used for assorted remotes.
My Panasonic model uses AA or AAA batteries (don't remember which). After a few years when they started dying, I just ordered a couple packages of eneloops and now they last so much longer.
If you are getting a new system, it's worth looking for one that uses regular rechargeables.
Vtech and probably others also makes models that uses regular batteries.