







🔋 Power up your sound, power up your day!
This rechargeable 702428 replacement battery is designed specifically for the Sony WF-1000XM4 charging case, featuring a 520mAh polymer cell with UL certification. It supports fast charging and delivers over 547 recharge cycles, combining durability with high efficiency to keep your earbuds performing at their best.
| 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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