Is the battery (C11P1706) of Asus Zenfone Max Pro m2 detachable and replaceable?
ASUS Zenfone Max Pro M2 Battery
Battery is not detachable. But yes, can be replaced through Asus Authorized Service Center near to you. You need to visit the service center along with your phone, original adapter+charging cable and upon docket, they will check the device and will replace the battery if needed.