> I wonder if this is the reason my MBP would get sluggish while kernel_task uses a surprising amount of CPU? This happens to me as well while charging if the

> I wonder if this is the reason my MBP would get sluggish while kernel_task uses a surprising amount of CPU? This happens to me as well while charging if the battery is below ~50%. Start recharging above 50 and it doesn't happen. At some point I took it to an Apple store for an unrelated issue and they told me that their diagnostics flagged a faulty sensor in the internal charging circuitry. I haven't sent it back yet for repair because of the turnaround time involved, but consider that it could be related.