Specifications: Battery type: Li-ion. Color:Black. Voltage: 15.28V. Capacity:50.7Wh/3320mAh. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery.
Security: All ZTHY products are Certified by CE, UL 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.