According to SMC, Graphene is just marketing BS. Interestingly, I have 2 new 6000 mAh batteries from different manufactures. One is an HV Graphene LiPo and one is a std LiPo. They both weigh exactly the same right to the gram which seems to support SMC's claim - the Graphene pack should be lighter if it has Graphene in it. Both packs also seem to perform exactly the same on the track - identical lap times. I will be long term testing them back to back but so far I have seen no significant difference in LiPo battery packs in several years at the club level. LiPo's are just so good.