time [min],output min [mW],output max [mW],output average [mW] 0,,,20.9 5,7.5,7.7,7.6 10,5,5.3,5.15 15,5.1,5.3,5.2 20,4,4.5,4.25 25,3.9,4.3,4.1 30,3.3,3.5,3.4 35,3.3,3.5,3.4 40,3,3.3,3.15 45,3,3.4,3.2 50,2.7,2.9,2.8 55,2.4,2.6,2.5