Power Supply for ESP32 with Boost Converter & Battery Charger
Amazon.com: ESP32 ESP32S for Wemos for Raspberry Pi 18650 Battery Charge Shield Board V3 Micro USB Port Type-A USB 0.5A for Arduino Charge (Module) : Electronics
Esp8266 Esp32 Dual 16340 Lithium Battery Module Usb Mobile Power Bank Battery Holder Charger Board Module For Arduino R3 - Integrated Circuits - AliExpress