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There is no doubt that the black Graphene batteries that come in those lovely little draw-string bags inside a substantial black foam lined box are a cut above other batteries of equivalent capacity. I have been running four 3S-1.3amp/hour Graphene batteries alongside 4 yellow 3S-2200s Zippy Compacts for just over a year. The Zippys are starting to puff while the Graphenes are rock solid. However, I had one Graphene develop a bad cell so have converted it to 2S. I decided to hold a post mortem on the dead cell and could not find any material that looked any different to that contained in a Turnigy or Zippy cell. Could someone please clarify exactly where the Graphene component is and what it looks like?