Since the late 1980s I always recommend V-0 (or better) for battery packs. What I found out years ago was V-0 was lower cost than V-1, (from the vendors we were using at that time).

I remember having a battery pack vendor call me in a panic over the V-1 being added to the requirements. I pointed out we were already using V-0 and meet the new requirements. That didn't help his other customers, but I didn't have a crisis. That was 25+ years ago.

Anyway I still recommend using  V-0 instead of V-1 for battery packs.


Jim Bacher, WB8VSU
ja.bac...@outlook.com or j.bac...@ieee.org
JBRC Consulting LLC
Product EMC & Regulatory Consultant
https:\\trc.guru
IEEE Life Senior Member
On March 21, 2024 4:48:16 PM "emcl...@gmail.com" <emcl...@gmail.com> wrote:
Hello All,

This is the first time that I've had a large NRTL safety engineer inform me that the UL 62133-2 battery pack standard requires that the end-product application enclosure plastic must be rated V-1 or better. I don't have that standard. Can anybody here shed some light on this issue?

Thanks much,

Carl

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