Sony WF-1000XM4 Earbud Z55H Battery – Replacement Internal Cells (1x)
Battery Model: Z55H. • 1x Z55H Internal Battery (fits either left or right earbud). • Perfect Fit: Designed for left or right earbud housing. • Sony WF-1000XM4. 🔋🔋 If you need more then one battery here’s the link.