DSO Shell 15001K - small 9V battery case

Simple small battery case for the DSO Shell 15001K.
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You also need
2 small pieces of sheet metal as a battery contact,
a low-voltage-plug 5/2.1mm (long version) with a
suitable nut (e.g. M6x0,75mm from a small power-switch) and
one latching 6-pole microswitch 8x8mm
(e.g. https://www.amazon.de/MIKROSCHALTER-SCHALTER-RASTEND-MINIATUR-7X7X12MM/dp/B07TDTKMQX/ref=asc_df_B07TDTKMQX/?tag=googshopde-21&linkCode=df0&hvadid=407332042266&hvpos=&hvnetw=g&hvrand=8909748870440098246&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9042633&hvtargid=pla-919829112637&psc=1&th=1&psc=1&tag=&ref=&adgrpid=85377094925&hvpone=&hvptwo=&hvadid=407332042266&hvpos=&hvnetw=g&hvrand=8909748870440098246&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9042633&hvtargid=pla-919829112637).

You can screw the battery housing to the DSO Shell with 2 or 3 small countersunk screws (1.8x