Comment by fjfaase

An earlier design by Badge.Team [1] did not use these cells and Badge.Team (no longer associated with WHY2025) strongly advised against the use of these cells.

The earlier design has been matured into Konsool [2] and is available as Tanmatsu [3].

[1] https://badge.team/

[2] https://badge.team/docs/badges/konsool/

[3] https://nicolaielectronics.nl/tanmatsu/