This is a brand new aftermarket replacement battery for the Sony WF-1000XM5 charging case. If your WF-1000XM5 case is no longer holding a charge, dying quickly, or failing to charge your earbuds, this zero-cycle replacement battery restores full charging case capacity. Part number 772030, rated at 500mAh.

• Brand: JoesGEcom for Sony
• Condition: New
• Fits Models: Sony WF-1000XM5

Key Features:

• Brand new replacement battery with zero cycles
• 500mAh capacity matches the original case battery rating 
• Part number: 772030
• Rated capacity: 500mAh / 1.925Wh
• Nominal voltage: 3.85V
• Limited charge voltage: 4.4V
• Pre-installed connector for direct plug-in replacement
• Tested and verified working

What's Included:

• 1x Sony WF-1000XM5 Charging Case Replacement Battery (500mAh, 772030)

This repair requires careful disassembly of the charging case. No soldering required. Moderate skill level recommended. 

If you prefer not to repair it yourself, we also offer a mail-in repair service: https://www.joesge.com/pages/repair-service-sony-headphones