Specifications? Battery type:Li-ion; Voltage:15.4V; Capacity: 55Wh. Up to 500 recharge cycles over the life of the battery. Replace Part Number? 0B0, 4ICP7/48/70, C41N1727? Compatible Laptop Models? Asus Zephyrus GM501 GM501G GM501GM GM501GS ROG GU501 GU501GM Series Notebook. CE / FCC / RoHS Certified for safety. If you have any issues, questions or concerns.