About: http://webisa.webdatacommons.org/228232011

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	On some battery backups, there is a button indicating that if the 'Main Power' is off it turns off the rest of the power for the battery backup.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com