About: http://webisa.webdatacommons.org/341543394

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	An internal power source, such as a battery, provides emergency back-up power in the event external power is lost.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com