This is a Li-Polymer battery with a voltage of 11.34V and a capacity of approximately 6300mAh / 71.8Wh, designed to meet the power requirements of MacBook Pro Retina 13" Late 2013, Mid 2014, and Early 2015. It is compatible with part numbers such as A1493, A1582, 020-8148, and 020-8146, and supports models with Core i5 and Core i7 processors. The battery features built-in protection circuits against overcharging, overheating, and short circuits, ensuring safe and stable operation.