About: http://webisa.webdatacommons.org/56333223

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	Giving an accurate ???usable charge life??? for a battery would be challenging because battery life is impacted by so many variables, including temperature and whether they are stored or left in the spotlight.
http://www.w3.org/ns/prov#wasQuotedFrom	practical-sailor.com