Hello @Ratsnest
Thanks for reaching out to the Roku community!
Battery life will vary based on usage. For normal use, the remote batteries may last two months or longer. Does your Roku remote support private listening? This may also be one factor for the battery drain.
We recommend doing basic troubleshooting steps on that Roku remote and checking if these steps would resolve this issue: How to fix your Roku voice or simple remote that is not working
Please keep us posted and we will be able to assist you further.
Regards,
Karla