Optimised battery charging behaviour seems buggy?

[itsweirdbeingme]

So I bought one of the new 14" MacBook Pro and it's got optimised battery charging feature on it (which I didn't see on my old 13" Mac). Seems like a great idea but I find it's quite buggy. Since I've bought the laptop It's been on charger 99.99% of the time, I'm currently working from home due to the pandemic so I'm just moving between my office and room - both which have chargers. what I find is that it keeps cycling my battery between 80% - 100% daily (often multiple times) when I swap chargers. From the 30 seconds I change from one charger to anther it decides to fully charge the laptop to 100% and then decides to discharge it after about a couple hour due to "Rarely used on battery". If I go back to the office to use my external monitor sometimes it'll charge it back up to 100% or discharge depending on what state I'm at, but there doesn't seem to be any logic that I understand other than changing chargers seems to trigger the laptop to either want to charge up fully or discharge to 80%.

Is there any way around this? I'm sure that's not good for the battery health charging and discharging constantly at the top 20%?

Anyone else having similar issues? Am I better off just not using this feature and leaving it at 100% most of the time and discharging it manually?

 

[Sanpete]

I've noticed the same thing, disconnecting from power for even a split second causes it to charge back up to 100%.

I did notice yesterday that after having had it unplugged but asleep for 12 hours, when I plugged it back in, the light on the MagSage connector was orange. I didn't wake it up for a while, but when I did it remained orange, at least while I was looking. It did charge up past 80% a couple points, but then went back down to 80%, where it remained for some time. Then today for no apparent reason it turned green and charged back up to 100%, plugged in the entire time since yesterday.