The A1708 A1713 Battery Replacement Battery is a high-quality Li-Polymer battery designed for the MacBook Pro 13-inch (2016 2017 Years). It offers a voltage of 11.4V and a capacity of 54.5Wh, providing optimal performance. This battery is compatible with various MacBook models and has been certified by CE, FCC, RoHS, UL, and KC for its safety and quality. With over 1200+ cycles, it has a long lifespan and features temperature and protection mechanisms. If you receive a defective item, contact the seller within 7 days for a replacement or refund.