Quantity   Component name
1 × Car Radio with Bluetooth JVC KD-X341BT
2 × Speaker 16 cm - double cone JVC CS-V618
2 × Speaker - old Found in parents storage - free!
3 × Battery Pack of 18650 Li-Po Cells Each 15p4s
1 × Housing Made of plywood
1 × Switch WS R13-112 L-GN
1 × Car Radio Adapter Cable As it turns out, not needed
1 × Analog Voltmeter 15 V
1 × Analog Ampmeter 15 A
4 × Wheel 2 with integrated break
1 × DCDC Converter 6-36 V input, 10A - for Car Radio
1 × DCDC 6-38 V input, 5 A - for USB Connectors (5V)
1 × FM Antenna