capacity test fail

ijr9005

100 mW
Joined
Sep 3, 2021
Messages
37
well my new opus bt-c3100 arrived today and began capacity testing, the manual says cells will go down to 2.8v. 2 hours in and the test has stopped, way above 2.8v, test stopped at 3.2 v, hmm i suppose its a constant. cells are samsung q15 rated 1.5 amp, coming out at 1.6amp so as good but why did it stop short? did the unit detect an internal resistance change,or is the calibration out?
EdSE2tt.jpg
 
Maybe it stopped at 2.8V under load

then cell V bounced back after a while at rest
 
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