This BLW009 lithium battery fits OPPO Watch 4 Pro precisely. Adopting premium A-grade cells, it offers stable output and long service life. Certified RoHS and PSE, safe leakage-proof design, factory direct sales with OEM & wholesale support.
Longhehui supplies replacement batteries for phones, tablets, smartwatches and laptops, with wholesale, OEM and ODM enquiries welcome. Request certificates, test reports and transport documents for the exact battery model and destination. Product certification and quality-management certification have different scopes; verify the issuer, certificate holder, covered models and current validity before ordering.