Spring Loaded 510 Connector 22mm with Floating Pin 2 PCS

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

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BestTong 18650 Battery Case Holder, 2 Slots 3.7V DIY Battery Storage Box in Parallel or Series Plastic Batteries Case with Clips Pins Contacts for Soldering 2 x 18650 Pack of 2

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