Arduino node with battery

This is my older project, an arduino bumper with slot for Li 18650 battery and with slot for RF module or Li charger module (on right top corner).

I all it node, because arduino is powered autonomously and with RF module can be used also as IoT system. Is opened from top to add your custom shields. USB connector is behind wall to block first hack attempts ;-).

Please note this is older design, on some slicers model is not watertight. Also holes are modified for mine arduino from China. I am not sure if all holes precisely fits with original Arduino UNO R3.