powerManager.lua

function switch()
    repeat
        redstone.setOutput("left", true)
        redstone.setOutput("right", true)
        redstone.setOutput("top", true)
        sleep(1)
        redstone.setOutput("left", false)
        redstone.setOutput("right", false)
        redstone.setOutput("top", false)
        sleep(10)
    until redstone.getInput("back")
end

function checkPower(value)
    power = redstone.getAnalogInput("back")
    if value == "full" then
        return power == 15
    elseif value == "empty" then
        return power == 0
    end
end

while true do
    if checkPower(arg[1]) then
        print("Switching Power Cell")
        switch()
    else
        print("Not switching")
    end
    os.pullEvent("redstone")
end