%DL9MJ 2025
\begin{circuitikz}
    \node (c) [
        thick,
        cylinder,
        shape border rotate=180,
        draw, minimum height=6cm,
        minimum width=2cm,
        fill=white
    ] {};
    \draw(c.west-|c.before top)
        to [short, *-] ++(0,2) coordinate(foo);
    \draw(c.west)
        node[anchor=east](){$-$};
    \draw(c.east) 
        to [short] ++(0,2)
        to [battery2, v>={$U$}] (foo);
    \draw(c.east)
        node[anchor=west](){$+$};

    \draw[-Triangle] (c.150 |-c.170) node[circle, draw=DARCblue, inner sep=0pt, anchor=east, minimum size=0.35cm*\getDarcImageFactor]() {\textcolor{DARCblue}{$e^-$}} -- ++(0.5,0);
    \draw[-Triangle] (c.0  -| c.90 ) node[circle, draw=DARCblue, inner sep=0pt, anchor=east, minimum size=0.35cm*\getDarcImageFactor]() {\textcolor{DARCblue}{$e^-$}} -- ++(0.5,0);
    \draw[-Triangle] (c.350-| c.330) node[circle, draw=DARCblue, inner sep=0pt, anchor=east, minimum size=0.35cm*\getDarcImageFactor]() {\textcolor{DARCblue}{$e^-$}} -- ++(0.5,0);
    \draw[-Triangle] (c.60  |-c.170) node[circle, draw=DARCblue, inner sep=0pt, anchor=east, minimum size=0.35cm*\getDarcImageFactor]() {\textcolor{DARCblue}{$e^-$}} -- ++(0.5,0);
    \draw[-Triangle] (c.130 |-c.190) node[circle, draw=DARCblue, inner sep=0pt, anchor=east, minimum size=0.35cm*\getDarcImageFactor]() {\textcolor{DARCblue}{$e^-$}} -- ++(0.5,0);

    \draw(c.south) ++(0,-0.5) node[](ps){Fysikalisk strömriktning};
    \draw[-Triangle] (ps.east)  -- ++(0.5,0);

    \draw(ps.south) ++(0,-0.25) node[](ts){Teknisk strömriktning};
    \draw[-Triangle] (ts.west)  -- ++(-0.5,0);
\end{circuitikz}