All the batteries have been inspected and tested before shipping out, and come with repairing tools for installation.
Compatible Model: for MATE 20 Pro LYA-L29
Durable and Reliable: All batteries are tested before shipment, your phone will work as great as when you first got the device.
Useful Reminder: It is recommended to fully drain and fully charge the battery especially during the first 4 charging and discharging cycles, doing so may greatly improve the overall life of the battery.
Customer Service: Please contact us if there is any problem with our product, we promise you a satisfaction resolution in 24 hours