Li-Ion Cell 18650 (Rechargeable via cable USB3.1 -- Type C)

Battery holder

Solenoid DELTA DSOS-0416 3.8W 3VDC/1.28A

Breakout Boards:

Infrared Proximity Sensor SEN-KY032IR modulated Infrared Emitting Diode and IR Receiver
Inverter Logic LS0002
Sparkfun Mosfet Power Controller PRT-11214