Solve the problem of interface damage: If the battery interface on the motherboard is damaged, you can replace the battery interface. Solve the problem of interface deformation: If the battery interface on the motherboard is deformed, you can replace the battery interface. Solving the problem of interface corrosion: If the battery interface on the motherboard is corroded by water ingress, the battery interface can be replaced. Solving the problem of unable to charge: When the headset cannot be charged, the interface may be damaged and the battery interface can be replaced. Solving the problem of not recognizing the battery: When the headset cannot recognize the battery, the interface may be damaged and the battery interface can be replaced.