Just realized my cable testers were lying to me for months

I was troubleshooting a slow charge on my laptop in Portland and swore the cable was fine since my $15 tester said it passed. Then a buddy pointed out the tester only checks continuity, not actual voltage drop under load. Swapped to a proper 100W USB-C meter from Amazon and sure enough, that Anker cable was dropping to 12W. Anyone else found their cheap testers give false confidence?

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mila_mitchell2mo ago

Cheap testers give false confidence" sure, but my $15 one caught a broken pin my buddy's fancy meter missed.

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