You have an ESP8266 board ... You’ll need a TP4056 board, providing charging and battery protection features, a jumper, and maybe a pushbutton – the Fritzing diagram shows everything you ...

By taking a 3D printed design intended to attach a TP4056 module to the end of an 18650 cell and combining it with an ESP8266 firmware that turns the powerful microcontroller into a WiFi repeater ...