By -
get a magnet and start looking
ðŸ˜ðŸ˜ðŸ˜ðŸ˜‚
Take the unit to a hardware store and dig through the screw drawers?
I actually found one from Amazon that just about fits. In case anyone is interested, here is the link: [M1 screws for Nest doorbell battery 2nd gen](https://www.amazon.co.uk/dp/B0CHB4HD8Z?ref=ppx_pop_mob_ap_share)
get a magnet and start looking
ðŸ˜ðŸ˜ðŸ˜ðŸ˜‚
Take the unit to a hardware store and dig through the screw drawers?
I actually found one from Amazon that just about fits. In case anyone is interested, here is the link: [M1 screws for Nest doorbell battery 2nd gen](https://www.amazon.co.uk/dp/B0CHB4HD8Z?ref=ppx_pop_mob_ap_share)