Battery details:

Model: M1154S3 (replace M1154S3)

Voltage: 3.85V

Capacity: 54mAh

Size: 11*5.4mm

For Redmi Buds 4 Pro Wireless Earbuds

For Redmi Buds 5 Pro Wireless Earbuds

Shipment details:

Two M1154S3 batteries + tools