From Autoweek · Natalie Neff · · 50s
Donut Lab EV Battery Survives, 22°F Cold Test
Donut Lab's solid-state battery retains 97% capacity after, 22°F cold test.
In brief
Donut Lab's solid-state battery retains 97% capacity after, 22°F cold test. Donut Lab's EV battery maintains 97% capacity after five hours at, 22°F, showing potential for cold-weather EV performance. Originally reported by Autoweek.
Donut Lab Battery Test
Donut Lab says its battery technology cleared cold testing at, 22 degrees F.
Test Methodology
VTT tested 14-cell module without insulation for five hours at, 22°F.
Capacity Results
Module retained 97% capacity after five hours at, 22°F.
Energy Output Drop
Energy output fell to 93% after cold test due to voltage drop.
Real-World Expectations
Insulated vehicle housing should reduce cold impact on battery performance.
CES 2026 Claim
Donut Lab claimed 99% capacity retention at, 22°F at CES 2026.
The bottom line
Donut Lab's EV battery maintains 97% capacity after five hours at, 22°F, showing potential for cold-weather EV performance.
