Here’s where you’ll find batteries specific to wireless doorbell buttons. Not as easy to find as many batteries, we have them here. If you are unsure what battery you need, please give us a call.
Carlon RC3395 3 Volt Lithium Battery Replacement Doorbell...$2.99
If you have a Carlon, Dimango, Lamson and Sessions or Thomas and Betts wireless door chime product, more than likely the push button is powered by this battery, the RC3395 which is a 3-Volt Lithium Battery under the number CR2032