redstone

redstone.setOutput("back", true)
if true do
   local cell1 = peripheral.wrap("cofh_thermalexpansion_energycell_0")
   local cell1Stored = cell1.getEnergyStored("cofh_thermalexpansion_energycell_0")
   local cell1Full = cell1.getMaxEnergyStored("cofh_thermalexpansion_energycell_0")
   local cell2 = peripheral.wrap("cofh_thermalexpansion_energycell_1")
   local cell2Stored = cell2.getEnergyStored("cofh_thermalexpansion_energycell_1")
   local cell2Full = cell2.getMaxEnergyStored("cofh_thermalexpansion_energycell_1")
   local cell1Percent = math.floor(100*cell1Stored/cell1Full)
   local cell2Percent = math.floor(100*cell2Stored/cell2Full)
   if math.floor(100*(cell1Percent+cell2Percent)) <= 200 then
      print(tonumber(cell1Stored).."/"..cell1Full.." "..cell1Percent.."%")
      print(tonumber(cell2Stored).."/"..cell2Full.." "..cell2Percent.."%")
      redstone.setOutput("back", false)
      sleep(20)
   else
      redstone.setOutput("back", true)
      print(tonumber(cell1Percent).."%")
      print(tonumber(cell2Percent).."%")
      sleep(20)
   end
end