Echo Dot 3 Battery Mount

This is a remix mount from u/Stevetecx of his Echo Dot 3 Mount.

Using a USB A to Echo Dot 3 barrel plug, the Echo Dot can function as a portable speaker using an external USB battery.

Cable: https://www.amazon.com/gp/product/B0DTQ67B85?smid=A1HPXHJDALABVF&th=1
There are other types of cables without a meter but is up to you.

USB Switch since you can't power off the Echo Dot directly. Some battery packs may allow you to power off by holding down the button YMMV:
https://www.amazon.com/gp/product/B07QQZFYYJ?smid=A33F01JHYVI772&th=1
https://www.amazon.com/gp/product/B0F6LNZML2?smid=A11S7BZKNO5ACN&psc=1

The battery pack holder battery base is designed for the Baseus 6000mAh Magsafe power bank but I've included a blank template for you to design your own. Dimensions 98.8mm x 64.3mm.

FYI: Not all phone charging battery packs will work. They have to be able to output at least over 12 Watts is my understanding. If you buy a cable and it does not work, try a higher output wa