Download "Coconut Battery" here:
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I have found it to be a very helpful battery analyzer.
Also I seem to recall that a complete cold reboot used to be helpful in calibrating the battery readout. Never hurts...
Keith Parr wrote:
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I'd appreciate feedback, please, whether this is something peculiar to my machine or more widely known / experienced.? Any further hints and tips would be a bonus!
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I am using a MacBook Pro 15-Inch "Core i9" 2.3 Touch 2019 2.3 GHz.? Since updating to 15.3 from 15.2 it has been reporting its battery charge erratically.? Yesterday I saw it was at 1% so I immediately put it on charge, whereupon the charge was displayed as 51%.? Something similar happened today and I recorded the battery charge - please see the attached screenshot.
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After 09:17 the machine was not connected to the charger, but the charge (apparently) went from ~70% to ~25% in next to no time, then back up to 45%, then down to ~15% and then up again to ~25%.
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It seems to me probable that it is the very low readings which are erroneous as the green lines in the screenshot show the sort of linear decline one might reasonably expect.
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The battery health is reported as "normal".
Jim Saklad