nostr:npub16jupxu70nh0pg0wt4maseaf2fg3kv2tgcjal2kaaunms2ltdaxysdry8u7 nostr:npub198t8kgwqas59rvmnghzcdn6krzhxhpkyt2mt53e4g9sdnj74sszss5hasj with UPS in case of mains outage I assume?