MICRO USB 1A Battery Charging Module Battery Charger TP4056 - $1.00 : BrickElectric.com, Innovative Player in Automation
Amazon.com: JacobsParts Smallest USB Type C 3.7V Lithium Battery Charger Board 4.2V Charging Module with Protection Circuit and LED Charge Indicators 5V USB-C Input (2 Pack) : Automotive
Lipo Charger - charging module for Li-Pol batteries via microUSB - DFRobot DFR0667 Botland - Robotic Shop