1S Type-C To 4.2V 4.35V Step-down Buck LiPo Polymer Li-Ion Charger for 3.7V 3.8V

10 PCS 1S 3.7V 18650 BMS Board 3A w/ Nickel

DC 5V Charge/Discharge Module 1.2A Mini Li-ion Battery Charging Boost Module

PCB Prototype Board 3.8x3.5 Gold Plated Snappable Strip with Power Rails DIY ...

🇬🇧 2pcs, 8-channel bidirectional logic level shifter,converter module TXS0108E

1pcs JDY-19 Ultra Low Energy 4.2 Module

TP5000/5100 Power Management Module Board 1A/2A Single/Double Section 4.2V/8.4V

2/5pcs TXS0108E 8 Channel Bidirectional Logic Level Converter High Speed Duplex