Ps63b.1a -

To actually use the ps63b.1a, you have to snap on your modules. This is where the suffix matters. This is version 1.0 of their architecture.

At $649 for the base kit (plus $79 per module), it’s not the cheapest device on the market. But measured by cost per year of use , it might be the most valuable. ps63b.1a

The ps63b.1a Unboxed & Reviewed: Is This the Most Sustainable Device of the Decade? To actually use the ps63b