set terminal png transparent size 800,600
set output 'battery-entladekurve-vcore.png'
set title 'Entladekurve'
set grid
set xlabel 'Minuten'
set xrange [0:330]
set ylabel '%'
set yrange [0:100]
set pointsize 0.5
plot 'battery-entladekurve-vcore.txt' with lines