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Re:Brighsun’s long-range EV batteries to enter industrial tr... by fulafel on Thursday April 23, 2020 @05:03AM (#22954085)
That page says they're only hoping for availability soon.
Re:Brighsun’s long-range EV batteries to enter industrial tr... by Tade0 on Thursday April 23, 2020 @04:45PM (#22961134)
I've been following this company for years. They used to be overly optimistic, but got a reality check along the way and now are more careful in their statements.

Anyway 400Wh/kg are available as samples - that's not far away from 500Wh/kg.