Battery type: Li-ion. Color:Black. Volts: 11.4V. Capacity: 76Wh/6667mAh. Up to 500 recharge cycles over the life of the battery. high quality materials, top circuit boards and smart chip. MacBook Pro 15-inch model A1707 (Late 2016,Mid 2017) with touch bar version, fit for MLH32LL/A MLH42LL/A MPTR2LL/A MPTT2LL/A MLH32CH/A MLH42CH/A MLW72CH/A MLW82CH/A MPTW2LL/A. Compatible with Part A1820, A1707, A1707(EMC 3072), A1707(EMC 3162), 020-01728. Please identify the model and year of your Mac and make sure they are listed on the title. The battery is difficult to disassemble, we suggest you search for related installation videos on the Internet or find a technician for help.