Macbook pro 13 Inch battery A1713 & A2171 Battery Specification- Voltage: 11.41V. Capacity: 66.2Wh / 5800mAh, Battery Type: Li-ion. Higher capacity than original battery (4781mAh/54.5Wh)--Longer Operating Time Newest 4.0 upgraded OEM Battery for Apple macbook pro- Japan High Performance Electric Core. Cobalt Proportion: >98%. Upgrade chip. Up to 1500+ recharge cycles over the life of the battery. Overcharger and Discharger Circuit Protection, Ensure fast charges and low power consumption Replacement Battery A1713 for A1708 Macbook pro 13 inch- A1708 Macbook pro 13 Late 2016: MacBook Pro 13-Inch "Core i5" 2.0 & MacBook Pro 13-Inch "Core i7" 2.4 (MacBookPro13,1, EMC2978, MLL42xx/A, MLUQ2xx/A). - A1708 Macbook pro 13 Mid 2017: MacBook Pro 13-Inch "Core i5" 2.3 & MacBook Pro 13-Inch "Core i7" 2.5 (MacBookPro14,1, EMC3164, MPXQ2xx/A, MPXR2xx/A, MPXT2xx/A, MPXU2xx/A) Replacement Battery A2171 for A2159 & A2289 & A2338 Macbook pro 13 inch-