A high-quality replacement battery for MacBook Pro models using A2389, delivering stable 11.41V power, long backup time, and smooth macOS performance. Built with premium Li-polymer cells for perfect compatibility and safe daily use. A2389 MacBook battery is a premium Li-polymer replacement designed for the 13-inch MacBook Pro (2020, M1 chip). With an output of 11.41V and a capacity of approximately 58.2Wh, this battery provides excellent runtime, efficient power delivery, and reliable day-to-day performance. Manufactured with high-grade lithium cells and equipped with advanced multi-layer protection circuitry, it ensures safe charging, controlled heat levels, and a long operational lifespan ideal for work, study, content creation, and mobile use.