The previous generation MacBook Pro 15" (2015 Therefore battery capacities in mAh (milli ampere * hour) are only comparable if they are at the same voltage! 3.6V * 26000mAh = 93.6 Wh, whereas Max capacity on a new battery should be > 8000, so yours is at<50% , time to change it. Check in about this mac for info, Also the 785 charge cycle is at limit. example. Charge Information: Fully Charged: No Charging: Yes Full Charge Capacity (mAh): 8152 State of Charge (%): 83 Health Information: Cycle Count: 10 Condition: Normal. Share. I have the same model MacBook Pro as you. When our batteries were new, they had a full charge capacity of 5770 mA·h; but the batteries’ full charge capacities decrease over time. Since your battery currently has a full charge capacity of 4577 mA·h, it’s at 79.3% of its original capacity. An aftermarket replacement battery compatible with a MacBook Air 13" laptop. MacBook Air 13" Early 2015. A1466 (EMC 2925 MacBookAir7,2) 1.6 GHz Pro Wholesale; A1582 Battery for MacBook Pro 13" Retina A1502 (Early 2015) Add the product below to your order. FixMat. Organize screws and small parts with iFixit’s next-generation magnetic work mat and dry-erase pen. €29,95. Add to Cart. Browse our store. Cart Check Out. iFixit Store MacBook Pro 13" Retina (Early 2015) Battery. 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. In-depth review of the Apple MacBook 12 (Early 2016) (iPad Pro 12.9 NVMe) Apple MacBook Air 13 inch 2015-03 HD Graphics The effects of the minimally higher battery capacity and the better 14- and 16-inch MacBook Pro battery life. The new 16-inch MacBook Pro offers 21 hours of video playback on a single charge; Battery capacity: 58.2Wh: 70Wh: 100Wh: 100Wh: Fast charging: kaRv2.