USB Compatible Li-Ion Battery Charger and Dual Buck Regulators in a Single 3mm × 3mm QFN | Analog Devices
Single-Chip USB-C buck-boost battery chargers support bidirectional power - Power Electronic Tips
Build a USB Powered AA NiMH and NiCd Battery Charger
How To Make Portable Battery Charger? - ElectronicsHub
Lithium Ion Battery Charger Circuit: Load Sharing - MicroType Engineering
Amazon.com: Onyehn 12Pcs 5V Boost Step Up Power Supply Module Lithium Battery Charge Protection Board for DIY Charger,with LED Display,USB and Micro Port : Electronics
USB Li-ion Battery Charger : 6 Steps - Instructables
Amazon.com: 10pcs JacobsParts TP4056 5V 1A USB Type-C 18650 Lithium Battery Charging and Protection Board : Electronics
Power Supply Module DC 2.5V~5V to 5V 1A Battery Charging Circuit Module/Power
bq2589x 5A Switch-Mode Battery Charger ICs - TI | Mouser
15W 5V 12V Wireless Charger Module Transmitter Circuit Board Type-C USB + Coil Qi Universal FOR Car Phone Battery Charging - AliExpress
RT9502 - Linear Single Cell Li-Ion Battery Charger IC with Dual Input Supply | Richtek Technology
RT9532 - Linear Single Cell Li-Ion Battery Charger IC for Portable Applications | Richtek Technology