Specifications Model: CP03XL // Battery type: Li-ion // Voltage: 11.55V // Capacity: 60.9Wh/5275mAh // 100% New from Manufacturer. Top circuit boards and smart chip Compatible Part Number CP03XL 929072-855 CPO3XL CP03060XL 929066-421 HSTNN-LB8. (Note: This listing we sell is short connector) Compatible with Laptop ModelsFit for HP Spectre X360 convertible 13-ae0xx 13-ae000 13-ae006no 13-ae001ng 13-ae049ng 13-ae013dx 13-ae011dx 13-ae040ng Series,HP Spectre 13 X360 13t-ae000 13t-ae012dx Series. After Service Return and exchange are permitted within 30 days, accompanied by a 12-month warranty. (NOTE: If you encounter any issues with the battery, please reach out to usunder "YOUR ORDER," select the "contact seller" option.) Gentle ReminderIf the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 10% (not 0%), then charge and cycle 3-4 times to wake up