Shelly Plug US 
Please run `$ homebridge-shelly describe <ip-address>` with the IP address of your new device, and then post the output from that command here.
Type: SHPLG-U1
CoAP description: {"blk":[{"I":1,"D":"relay_0"},{"I":2,"D":"device"}],"sen":[{"I":9103,"T":"EVC","D":"cfgChanged","R":"U16","L":2},{"I":1101,"T":"S","D":"output","R":"0/1","L":1},{"I":4101,"T":"P","D":"power","U":"W","R":["0/2500","-1"],"L":1},{"I":4103,"T":"E","D":"energy","U":"Wmin","R":["U32","-1"],"L":1},{"I":6102,"T":"A","D":"overpower","R":["0/1","-1"],"L":1},{"I":6109,"T":"P","D":"overpowerValue","U":"W","R":["U32","-1"],"L":1}]}
CoAP status: {"G":[[0,9103,2],[0,1101,0],[0,4101,0],[0,4103,0],[0,6102,0],[0,6109,0]]}
HTTP Settings:: {"device":{"type":"SHPLG-U1","mac":"FCF5C4AA83D9","hostname":"shellyplugu1-AA83D9","num_outputs":1,"num_meters":1},"wifi_ap":{"enabled":false,"ssid":"shellyplugu1-AA83D9","key":""},"wifi_sta":{"enabled":true,"ssid":"xxxxxx","ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"wifi_sta1":{"enabled":false,"ssid":null,"ipv4_method":"dhcp","ip":null,"gw":null,"mask":null,"dns":null},"mqtt":{"enable":false,"server":"192.168.33.3:1883","user":"","id":"shellyplugu1-AA83D9","reconnect_timeout_max":60,"reconnect_timeout_min":2,"clean_session":true,"keep_alive":60,"max_qos":0,"retain":false,"update_period":30},"coiot":{"update_period":15},"sntp":{"server":"time.google.com","enabled":true},"login":{"enabled":false,"unprotected":false,"username":"admin"},"pin_code":"4sTc6r","name":null,"fw":"20200827-070340/v1.8.3@4a8bc427","discoverable":false,"build_info":{"build_id":"20200827-070340/v1.8.3@4a8bc427","build_timestamp":"2020-08-27T07:03:40Z","build_version":"1.0"},"cloud":{"enabled":true,"connected":true},"timezone":"America/Chicago","lat":xx.yyyy,"lng":xx.yyyy,"tzautodetect":true,"tz_utc_offset":-21600,"tz_dst":false,"tz_dst_auto":true,"time":"16:37","unixtime":1605285449,"led_status_disable":false,"actions":{"active":false,"names":["btn_on_url","out_on_url","out_off_url"]},"hwinfo":{"hw_revision":"prod-2020-04-14","batch_id":1},"max_power":2500,"led_power_disable":false,"relays":[{"name":null,"ison":false,"has_timer":false,"default_state":"off","auto_on":0,"auto_off":0,"btn_on_url":"","out_on_url":"","out_off_url":"","schedule":false,"schedule_rules":[],"max_power":2500}]}
HTTP Status:: {"wifi_sta":{"connected":true,"ssid":"xxxxxxx","ip":"172.16.100.206","rssi":-59},"cloud":{"enabled":true,"connected":true},"mqtt":{"connected":false},"time":"16:37","unixtime":1605285449,"serial":1060,"has_update":false,"mac":"FCF5C4AA83D9","cfg_changed_cnt":2,"actions_stats":{"skipped":0},"relays":[{"ison":false,"has_timer":false,"timer_started":0,"timer_duration":0,"timer_remaining":0,"overpower":false,"source":"http"}],"meters":[{"power":0,"overpower":0,"is_valid":true,"timestamp":1605285449,"counters":[0,0,0],"total":0}],"update":{"status":"idle","has_update":false,"new_version":"20200827-070340/v1.8.3@4a8bc427","old_version":"20200827-070340/v1.8.3@4a8bc427"},"ram_total":51112,"ram_free":39356,"fs_size":233681,"fs_free":162648,"uptime":63190}