Great answer! Most MacBooks can draw more (peak) power than their power brick are able to supply. In an older MacBook Pro (2012 I believe) I even had the issue that battery was very slowly draining in intensive gaming sessions. So the battery serves as a buffer and under ~5% capacity MBPs throttle to avoid shutdowns. –I checked that a month ago and it was at 1423 for a 4.5 year old 17 inch Macbook Pro. Battery lasts 4 hours on normal usage, 1.5 hours with heavy usage such. of design capacity the battery is Here’s how the 15-inch MacBook Pro (2019) performed in our suite of benchmark tests: Cinebench CPU: 3,142 points Graphics: 129.63 fps. Geekbench 4 Single-Core: 5,829; Multi-Core: 30,478. Battery
MacBook Pro (Retina, 15-inch, Early 2013) MacBook Pro (Retina, Mid 2012) MacBook Pro
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