🔋 Power your vibe, never miss a beat!
The SwarKing Replacement Battery 702428 is a high-quality, UL certified A+ grade battery designed specifically for Sony WF-1000XM4 charging cases. It delivers fast charging and supports over 550 charge cycles, ensuring long-lasting performance. Easy to install with online guidance and backed by responsive customer support, it’s the perfect upgrade to keep your earbuds energized and ready.
| Antenna Location | Indoor/Outdoor |
| Battery Weight | 100 Grams |
| Unit Count | 72.0 Count |
| Battery Cell Type | Polymer |
| Battery Capacity | 520 Milliamp Hours |
| Reusability | Rechargeable |
| Voltage | 220 Volts (DC) |
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