Batteries are an essential part of the lifeline of a doorbell. If you use cheap quality batteries, then it would mean frequent battery replacement which are an unwanted hassle as well as expense. RC3095 replacement batteries from Thomas & Betts, Carlon/Dimango ensure longetivity and high quality performance.
6-Volt battery for use with models RC3101 & RC2030, RC2005. (PX28A) A23 alkaline batteries. One per package.