Which Battery Tech Should You Choose For Your Electric Car? 400V or 800V?

From Transport Evolved.

There’s a bit of a battle raging in the electric vehicle world – and it’s not over NACS and CCS – it’s about which battery technology should be the dominant one: 400 Volt or 800 Volt?

But what’s the differences between 400 V and 800 V vehicles? Which are which? And are there any advantages or disadvantages in the ultimate choice you make?

Nikki is here to explain some things… along with a little extra help.

00:00 – Introduction
02:15 – Editorial note
03:12 – History – 400 and 800.
07:01 – A quick physics lesson
08:28 – Pipes to cables
12:23 – If 800 Volt is better… why aren’t people using it?
17:12 – Which should you use?
19:30 – Thanks, and Goodbye!

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Presenter: Nikki Gordon-Bloomfield.
Guest Presenter: HRH Queenie Octavia Christina Deerhart
Camera, Editor, Colorist: Michael Horton
Art and Animation: Erin Carlie
Producer: Nikki Gordon-Bloomfield
Music supplied through Artlist.io
© Transport Evolved LLC, 2025

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