About: http://webisa.webdatacommons.org/46805175

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	I think your best bet is to make a battery that plugs in via USB. that loses a bit of efficiency but gains 250,000 points in easiness and flexibility.
http://www.w3.org/ns/prov#wasQuotedFrom	reddit.com