If anybody is looking for an adapter that will work with leo battery and joye-t atty this one will work. Well almost...you need to put the 510 side of adapter on grinder for a minute and grind down adapter so the ego-t atty will slide over it. You not need to do anything to the leo battery.
Vapor Cannon Adapter (LEO to 808d-1 or 510) - VAPOR CANNON ACCESSORIES - Accessories
Vapor Cannon Adapter (LEO to 808d-1 or 510) - VAPOR CANNON ACCESSORIES - Accessories