Amazon.com: Raspberry Pi 18650 Battery Shield V3 Micro USB Port Type-A USB 0.5A for Arduino Wemos DIY Kit (with USB cabIe) : Electronics
USB Battery Pack for Raspberry Pi - 10000mAh - 2 x 5V outputs : ID 1566 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: CQRobot MicroUSB Battery Holder (3xAA), Can Hold 3 AA Batteries. Compatible with Arduino Controllers with Micro USB Interface. : Electronics
Hacking a USB battery bank to gather telemetry | Arduino Blog
Arduino Uno Rev3 — Arduino Online Shop
Powering a pro micro board with li-ion battery and USB connector - Project Guidance - Arduino Forum
This DIY power bank can deliver up to 60W and displays info in real-time | Arduino Blog
Micro USB Wemos ESP32 Battery ShieldV3 ESP-32 LED for Arduino | eBay
ESP8266 ESP32 Dual 16340 lithium Battery Module USB Mobile Power Bank Battery Holder Charger Board Module For Arduino R3 - AliExpress