diff --git a/vortrag/hardware.tex b/vortrag/hardware.tex
index 9cb630c..ad80e4b 100644
--- a/vortrag/hardware.tex
+++ b/vortrag/hardware.tex
@@ -81,6 +81,32 @@
 \end{frame}
 \section{Hardware}
 \begin{frame}{Battery}
+  \begin{columns}
+    \begin{column}{6cm}
+        \begin{itemize}
+		\item Lithium is the only real option.
+		\item 600mAh battery powers a backlight for at least one day.
+		\item Integrated charge controlle is independend from the firmware.
+	\end{itemize}
+    \end{column}
+    \begin{column}{6cm}
+        \includegraphics[height=4cm]{bilder/battery.jpg}
+    \end{column}
+  \end{columns}
+\end{frame}
+\begin{frame}{CPU}
+  \begin{columns}
+    \begin{column}{6cm}
+        \begin{itemize}
+		\item Lithium is the only real option.
+		\item 600mAh battery powers a backlight for at least one day.
+		\item Integrated charge controlle is independend from the firmware.
+	\end{itemize}
+    \end{column}
+    \begin{column}{6cm}
+        \includegraphics[height=4cm]{bilder/battery.jpg}
+    \end{column}
+  \end{columns}
 \end{frame}
 \end{document}