% Author: Dr. Matthias Jung, DL9MJ
% Year: 2020
% TB201
\begin{circuitikz}
    %\tikzstyle{help lines}=[blue!50];
    %\draw[style=help lines] (0,0) grid (8,6);
    %
    \draw (5.5,6) to [short] ++ (0.5,0)
                to [R, i>={$I$}] ++(0,-5.5)
                to [short] ++(-0.5,0);
    %
    \draw (0,6) to [short, i<={1A}]     ++(0,-1)
                to [battery1]  ++(0,-1)
                to [battery1]  ++(0,-1)
                to [open]      ++(0,-1)
                to [battery1,l=0.6V]  ++(0,-1)
                to [short]     ++(0,-0.5)
                to [short, -o] ++(5.5,0)
                node [](C1){};
    \draw (0,3) edge[dashed] ++(0,-1);
    %
    \draw (2,6) node [circ] () {}
                to [short, i<={~}]     ++(0,-1)
                to [battery1]  ++(0,-1)
                to [battery1]  ++(0,-1)
                to [open]      ++(0,-1)
                to [battery1]  ++(0,-1)
                to [short, -*]     ++(0,-0.5);
    \draw (2,3) edge[dashed] ++(0,-1);
    %
    \draw (3,6) node [circ] () {}
                to [short, i<={~}]     ++(0,-1)
                to [battery1]  ++(0,-1)
                to [battery1]  ++(0,-1)
                to [open]      ++(0,-1)
                to [battery1]  ++(0,-1)
                to [short, -*]     ++(0,-0.5);
    \draw (3,3) edge[dashed] ++(0,-1);
    %
    \draw (4,6) node [circ] () {}
                to [short, i<={~}]     ++(0,-1)
                to [battery1]  ++(0,-1)
                to [battery1]  ++(0,-1)
                to [open]      ++(0,-1)
                to [battery1]  ++(0,-1)
                to [short, -*]     ++(0,-0.5);
    \draw (4,3) edge[dashed] ++(0,-1);
    %
    \draw (0,6) to [short, -o] ++(5.5,0)
                node [](C2){};
    %
    \draw (5.5,5.7) to [short] (5.5,0.8) node [currarrow, rotate=-90]{};
    \draw (5.2, 3.25) node {$U$};
    %            
    \draw (0.8, 2.5) node {30 St.};
    %            
\end{circuitikz}