[HN Gopher] CT scans of 1k lithium-ion batteries show quality ri...
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       CT scans of 1k lithium-ion batteries show quality risks in
       inexpensive cells
        
       Author : jonbruner
       Score  : 7 points
       Date   : 2025-09-24 19:29 UTC (3 hours ago)
        
 (HTM) web link (www.lumafield.com)
 (TXT) w3m dump (www.lumafield.com)
        
       | progbits wrote:
       | To save everyone the hassle of filling out the "get the report"
       | form:
       | 
       | https://7802750.fs1.hubspotusercontent-na1.net/hubfs/7802750...
        
         | nom wrote:
         | thank you
        
       | Neywiny wrote:
       | I find their table of advertised vs actual capacity to be
       | misleadingly negative. They only discharged to 3v. 2.7 could be
       | viewed as more standard. 2.5 is not unheard of. For example, the
       | vapvell 4000 they said was around 3000. They even have a note
       | that says that isn't a reasonable capacity estimate. And yet they
       | still put the percentage and the number. As if they've falsely
       | advertised. However, if you go to vapcell's graphs on their
       | website, it all tracks. Feels out of scope for the report and
       | shouldn't have been done
        
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       (page generated 2025-09-24 23:01 UTC)