Beat
Solid-State
Labs, pilots, and the gap between a press kit and a pack in a car.

Batteries
ProLogium's solid-state cell passed the tests. Its factory makes 0.5 GWh a year
A 381 Wh/kg all-solid-state cell is now in commercial production in Taiwan, validated by TUV and UL Solutions. The output is roughly 6,000 car packs a year.

Batteries
Donut Lab's 409 Wh/kg result is real. It still does not prove the chemistry
VTT measured exceptional energy density from one Donut Battery cell. The report validates the number, but not solid-state chemistry or production readiness.