welcome
SlashGear

SlashGear

Technology

Technology

Tesla vs. BYD battery teardown: Tesla focuses on higher performance, while BYD focuses on lower costs and longer battery life

SlashGear
Summary
Nutrition label

75% Informative

Chinese carmaker BYD was crowned as the world's top seller of electric cars in 2025 .

A team of researchers has given the teardown treatment to Tesla and BYD 's flagship battery packs.

Taking these batteries apart delivered a few surprising findings.

Tesla is focused more on providing higher performance, while BYD takes an approach that is more cost effective, runs cooler and provides a longer battery life.