reactor = peripheral.wrap("back")
cellOne = peripheral.wrap("left")

actif = reactor.getActive()
cellOneMaxEnergy = cellOne.getMaxEnergyStored()

while true do

  level = cellOneEnergyStored/CellOneMaxEnergy*100

  if actif then
    if level >= 95 then reactor.setActive(false) end
  else
    if level <= 5 then reactor.setActive(true) end
  end


  sleep(1)
end