this post was submitted on 10 Oct 2024
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[–] [email protected] 27 points 2 months ago (1 children)

Well the pros and cons of the multimeter are addresses in the video! He uses a meter on a dead battery and it still shows a deceptively reasonable voltage when not under load. The built-in tester draws more current.

[–] [email protected] 8 points 2 months ago (1 children)

My technique is to use the 10a mode on the multimeter and check the battery. A full AA will do nearly 10 amps and dead ones much less. Careful with larger cells or rechargeables since you might blow the fuse in your meter.

[–] [email protected] 14 points 2 months ago

That sounds a little like testing matches "Yes, that one works. I mean: worked."