Spring Loaded 510 Connector (Low Profile) 22mm by Unknown

INTERNATIONAL RECTIFIER IRLB3034PBF N CH MOSFET, 40V, 195A, TO-220AB (1 piece)

E-Projects 25EP51415K0 15K Ohm Resistors, 1/4 W, 5% (Pack of 25)

Battery Holder, 18650 x 2, Through Hole

Battery Holders, Clips & Contacts PCB PLSTIC BATT HLDR SMT 2 CELLS

Major Brands IRF540 Transistor, MOSFET, N-Channel, 100 V (Pack of 5)

Hammond 1590G Diecast Aluminum Enclosure -- Inches (3.9" x 2.0" x 0.9") mm (100mm x 50mm x 24mm)

Ulincos U16A1 Black 16mm Push Button Switch

yueton DC 36V 2A 16mm High Round Cap Waterproof Metal Momentary Push Button Switch High Flush Reactable Screw Terminals

E-Projects 10EP51415K0 15k Ohm Resistors, 1/4 W, 5% (Pack of 10)

Resettable Fuses - PPTC 77 ACT TEMP 15A HOLD (5 pieces)