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CT scans of 1k lithium-ion batteries show quality risks in inexpensive cells

(www.lumafield.com)
287 points jonbruner | 1 comments | 24 Sep 25 19:29 UTC | HN request time: 0s | source
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oulipo2 ◴[26 Sep 25 20:49 UTC] No.45390884[source]▶
After we monitored many battery fires, we decided to build a casing which can sustain lithium fires for typical e-bike batteries: https://www.youtube.com/watch?v=v0NXXfCA2CY
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jeffbee ◴[26 Sep 25 21:38 UTC] No.45391275[source]▶
Neat. How do bikes that have the battery entirely inside the metal downtube compare?

Edited: Now that I looked at your product I have low expectations for an unbiased answer :-|

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1. oulipo2 ◴[27 Sep 25 16:43 UTC] No.45397367[source]▶
We're working on an internal downtube battery too! It's basically the same tech, the batteries work the same, it's just the form-factor which changes