The only time my Battery is ever fully discharged is when I'm doing a calibration. The following links have good information about the MacBook and the care of it's battery. Apple: Tips for maximizing your Notebook battery charge Apple MacBook and MacBook Pro: Reduces processor speed when battery is removed while operating from an A/C adaptor Esquared. According to the photo on this page the original battery capacity was 8460 mAh. Mine currently is at 78% of that, which is quite normal for a notebook of this age. As Ogelthorpe mentioned, Apple claims the maximum number of cycles is 1000, but the real number strongly depends on the way the MacBook is used. 15-inch MacBook Pro models introduced in 2016 or later. 85W MagSafe Power Adapter with MagSafe 2 style connector. 15-inch MacBook Pro models introduced in 2012 through 2015. 60W MagSafe Power Adapter with MagSafe 2 style connector. 13-inch MacBook Pro models introduced in 2012 through 2015. 60W MagSafe Power Adapter with "L" style connector MacBook Pro in Use - The 26800 mAh It added about 3-4 extra hours of battery life in total. MacBook Pro Capacity Test The Apple Vision Pro AR/VR headset is set to launch in early 2024. Tuesday November 7, 2023 2:10 pm PST by Juli Clover. Apple's latest 16-inch M3 MacBook Pro models are able to fast charge at 140W over USB-C with a 240W USB-C cable, according to a support . MacBook Pro . 1; 2; Next. 1 of 2 Go to page Yes Charging: No Full Charge Capacity (mAh): 8900 On battery at least once a week. Y. yliu Your battery is designed to retain up to 80% of its original charge capacity at Identify your MacBook Pro. Find your battery cycle count Early 2015) MacBook Battery problem Had several batteries fitted to Early 2015 MacBook Pro when battery reaches 38% suddenly drops to 8%, this happens every charge. Tried re-setting SMC and calibrating battery many times but ti no avail. Last battery is an Apple battery and previous ones OEM versions but same problem with all. Has anyone any suggestions. Mac / MacBook Pro Looks like no one’s replied in a while. To start the conversation again, simply Battery capacity halved in a day Have any of you guys noticed that the full charge battery capacity, which is found under system profiler-power, varies often. When I first got the macbook pro the full charge capacity of the battery was around 6830. Now with each charge it seems to go down slowly. At first it jumped from 6800 to 6600 and now stays at around 6520.

macbook pro early 2015 battery capacity mah