Creative Energy Cube (mekanism:energycube - 6993:0) has NBT data

{tier:4,mekData:{energyStored:1.7976931348623157E308d}}

TAG_Compound (10) ('')
{
    TAG_Int (3) ('tier'): 4
    TAG_Compound (10) ('mekData')
    {
        TAG_Double (6) ('energyStored'): 1.7976931348623157E308
    }
}
