That's excellent - thank you! I use my macbook at my desk quite a lot, and so usually it's plugged in and sat at 100% charge for hours (days?) at a time. So the

That's excellent - thank you! I use my macbook at my desk quite a lot, and so usually it's plugged in and sat at 100% charge for hours (days?) at a time. So the ability to hold it at around a 40%-70% SOC is really useful