EVs' Electrical Secret: The 400V Backbone Revealed

EVs' Electrical Secret: The 400V Backbone Revealed

Doubling the Voltage: What 800V Architecture Really Changes in EVs Hey everyone, Jithin Joseph here. It feels like just yesterday I was wrestling with early prototyping for some complex software development projects, trying to squeeze every ounce of performance out of limited hardware. And in a way, that’s exactly what the automotive industry has been doing with electric vehicles (EVs) for the last decade, sticking to that trusty 400V architecture. It’s been the invisible standard, the workhorse behind the scenes, powering everything from those first, a bit clunky compliance cars to the slick, bestselling EVs we see everywhere now. ...

March 14, 2026 · 7 min · Jithin Joseph