Volvo's parent company will begin rolling out ultra-high-density solid-state EV batteries in 2027—and the Swedes could be a test bed.

Geely has announced plans to test solid-state batteries in its first vehicles starting in 2027. The most powerful variant is expected to achieve up to 500

Geely says its solid-state EV battery hits up to 500 Wh/kg, roughly double today's best cells, with real-world testing underway and a 2027 pilot rollout.