Got this from a sponsored driver of a small battery matching company.
Supposedly EPIC has cut a deal with GP. GP will test (not match)
their cells and a certain top percentage will get the EPIC Monster shrink wrap. other than that they are the same batteries but these are the cream of the batch.
Gp has been doing this anyway as most top nicad manufacturers do. usually top cells are pulled for medical, aerospace, etc. where the best goes for critical items and ultimate reliability is needed. Rumor has it one of the big companies at the SNOWBIRDS had some of these top batteries pulled for their team.
his sponsor is very upset because he has to buy quite a few GP battery brick in order to get just one EPIC Monster battery brick. also his sponsor hasn't and won't be able to get him GP 1.18+ packs unless he gets the Epic Monster Cells.
One of the ASSOC/REEDY at a race a few months back had a 1.204 Reedy Zappers pack in the main. their batteries are matched using a LAVCO so numbers are different than the TURBO 30/35's