Found/fixed a few mistakes in V6.0 (Bringup log in Git has more details here). Had some trouble with fake fuel gauge ICs from an Ebay/Amazon sellers *big surprise* (picture down bellow showing an OEM chip on the right vs fake on the board). Amazon seller sent 5 ICs each different from the next.

Decided to switch new fuel gauge ICs (MAX17048) that could be sourced from a reputable seller so fingers crossed this version works. V6.1 was designed to use the same ATSAMD21G18 MCU as V6.0 but this will be my last 3 of these ICs.

A V6.2 is in the works and will be the next and hopefully last design which will use the smaller sibling to the ATSAMD21G18, the ATSAMD21E18 of which I was able to source an additional 10 ICs.