HB4593R1ECW-22A Replacement Battery for Huawei MateBook E Series Rediscover the true portability of your 2-in-1 detachable. This brand new, high-capacity Li-ion battery is a direct replacement for the original Huawei HB4593R1ECW-22A, engineered to deliver long-lasting power and reliable performance for your Huawei MateBook E series tablets and laptops.