PiJuice

NEAT!!!

https://www.pi-supply.com/product/pijuice-standard/

PiJuice HAT – A Portable Power Platform For Every Raspberry Pi
From: $56.98

As one of the smallest systems around there are so many amazing things you could do with the Raspberry Pi if it was self-powered and portable. Introducing PiJuice! A fully uninterruptible power supply that will always keep your Raspberry Pi powered.

Yep :slight_smile:

Available in dietpi-software for v6.2:
https://dietpi.com/forum/t/dietpi-software-details-for-all-installation-options/22/115