<https://expeditionportal.com/forum/threads/replacing-my-group-27-battery-with-group-31-battery-is-that-ok.215582/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/DiscussionForumPosting>
<https://expeditionportal.com/forum/threads/replacing-my-group-27-battery-with-group-31-battery-is-that-ok.215582/>