For a matter of seconds as someone chucks a new battery in the badge, sure.
There’s not a lot of information about how the system actually works, but schools are typically quite budget conscious organisations, so I can’t imagine just throwing out the badge when the battery dies would go down well.
Which would lead to a gap in protection. It’s also not clear if the battery is easily serviced
For a matter of seconds as someone chucks a new battery in the badge, sure.
There’s not a lot of information about how the system actually works, but schools are typically quite budget conscious organisations, so I can’t imagine just throwing out the badge when the battery dies would go down well.
Mate it’s a trivial problem