Microsoft Surface Laptop 4 13.5": Ryzen 5 4680U 8GB 128GB

Battery Life: 13.5” AMD Ryzen™ 5 Microsoft Surface® Edition processor – up to 19 hours, 15” AMD Ryzen™ 7 Microsoft Surface® Edition processor – up to 17.5 hours, 13.5” Intel® Core™ i5 – up to 17 hours, 15” Intel® Core™ i7 – up to 16.5 hours. Battery life varies significantly with settings, usage and other factors.