set terminal png  
set output "laden2.png"
set grid
set size 1.3,4
set bmargin 2
set rmargin 2
#set timestamp "%d.%m.%y %H:%M" top
set multiplot;                          # get into multiplot mode
set size 1.3,1;  
set origin 0,3;
#set title "Akku Spannung/" 
plot "laden2.TXT" using 0:3 title "Spannung[V]" with lines,"laden2.TXT" using 0:10 title "Leerlaufspannung[V]" with lines , "" using 0:13 title "Spannung low[V]" with lines
#, "laden2.TXT" using 0:8 title "Eingangsspannung[V]" with lines
set origin 0,2;
plot "laden2.TXT" using 0:6 title "Strom[A]" with lines, "laden2.TXT" using 0:2 title "Kapazität[Ah]" with lines
set origin 0,1;
plot "laden2.TXT" using 0:7 title "PWM" with lines
#,"laden2.TXT" using 0:9 title "Temperatur" with lines
set origin 0,0;
set yrange [-50:100]
plot "laden2.TXT" using 0:4 title "Spannungsänderung[mV/Minute]" with lines, "laden2.TXT" using 0:5 title "Spannungsänderung Änderung[mV/Minute²]" with lines, "laden2.TXT" using 0:11 title "relative Spannungsänderung[%]" with lines