Did just that.
The result was that the controller still retained the cycle count, but lost all sense that the battery was actually partially charged from the day before (the charge showed up as 0%, even though the battery actually ran the laptop when reassembled for some 2.5 hours after I got the low battery warning).
"Calibration!" thought I. So I have been cycling the battery, charging and discharging it twice today. It is either calibrating, or improving, one or the other, as so far I am able to charge it up to 68% before charging stops. I hope the numbers will improve to match up better with the capacity posted in that graphic after more cycles.
At any rate, what I have now is certainly better than what I had before -- a battery that will charge to 2/3 capacity is certainly preferable to one that would scarcely charge at all, especially since it is a spare. On the surface of things, then, this still looks like a way to try to rehabilitate PBG4 batteries that go awry.
The result was that the controller still retained the cycle count, but lost all sense that the battery was actually partially charged from the day before (the charge showed up as 0%, even though the battery actually ran the laptop when reassembled for some 2.5 hours after I got the low battery warning).
"Calibration!" thought I. So I have been cycling the battery, charging and discharging it twice today. It is either calibrating, or improving, one or the other, as so far I am able to charge it up to 68% before charging stops. I hope the numbers will improve to match up better with the capacity posted in that graphic after more cycles.
At any rate, what I have now is certainly better than what I had before -- a battery that will charge to 2/3 capacity is certainly preferable to one that would scarcely charge at all, especially since it is a spare. On the surface of things, then, this still looks like a way to try to rehabilitate PBG4 batteries that go awry.