Specifications: Battery type: Li-ion. Color: Black. Voltage: 15.52V. Capacity: 72Wh. New from Manufacturer. Up to 500 recharge cycles over the life of the battery.
Compatible with Laptop Models: Replacement for Lenovo ThinkPad Z16 Gen 1 (Type 21D4, 21D5) Series; Replacement for Lenovo ThinkPad Z16 Gen 2 (Type 21JX, 21JY) Series
Security: All ZTHY products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety
Note: If 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 10-20% (not 0%), then charge and cycle 3-4 times to wake up the new battery