Reviewing the Wemos Battery Shield – Arduino, ESP8266, ESP32 & Raspberry Pi stuff
Amazon.com: Onyehn 4pcs for Wemos D1 Mini Battery Shield Micro USB Single Lithium Battery Charging Boost Module with Pins LED Indicator 5V 1A DC : Electronics
ESP8266 WeMos D1 Mini Lithium Battery Shield
DIY Battery Powered NodeMCU Motor Driver Shield using L293D for Robotic Applications
18650 Battery Shield V8 Mobile Power Bank 3V/5V for Arduino ESP32 ESP8 – diymore
MicroWakeupper Wemos D1 Battery Shield (Deepsleep) by More.io labs
Battery Shield For WeMos D1 Mini Single Lithium Battery Charging Boost – Envistia Mall
ESP8266: NodeMCU Motor Shield Review - Squix - TechBlog