Anonymous5 years ago+231What happens to the Nuki 2.0 lock when the battery is empty? I can't open the door with the key anymoreShow in original language (German)mese79ch4 years ago+110Note compatibility - Euro profile cylinder with emergency and danger function - Swiss round profile with priority function - UK oval cylinder with emergency function - Knob cylinderShow in original language (German)CommentAnonymous5 years ago+110The key can be used to open the door at any time, even when the batteries are flatShow in original language (German)Comment4 comments