How your Mac can use less energy and power, run its battery down less, generate less heat, and keep its P cores for the work you want it to do for you.
battery
Some services can only be run when a MacBook Air or Pro is awake and running on mains (AC) power. Here’s a list, and what you can do to ensure their work still gets done.
1989 Mac Portable, lead-acid. 1991 PowerBook 140 & 170, NiCad. 1992 PowerBooks with NiMH (3 types). 1995 lithium ion. 2006 MacBook Pro, lithium polymer.
Digging for buried treasure in the Unified log isn’t easy, but has a fine track history of bringing plenty of silver and gold. Here it’s about batteries.
How do the SMC and CoreDuet manage the systems in your Mac, and should you fiddle with them?
History from Mac Portable’s lead acid to the latest lithium-polymer. But how should you manage your Mac’s battery? What about when in storage or heat?
How much faster are P cores at running the same thread as E cores, and how much more energy do they require? And how do they compare with using the GPU?
What to do with the Mac that either won’t go to sleep at all, or keeps waking up and discharging its battery? It’s pmset or Sleep Aid.
Does your M1 Mac run more slowly when it’s on battery power, or with Low Power mode enabled? An exploration of effects on its CPU cores provides an unexpected answer.
On Intel Macs, resetting the SMC was a universal panacea until the T2 came along. What can we do instead with an M1 Mac?
The Eclectic Light Company 