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This 500mAh, 3.85V Li-Polymer replacement battery (model LP702428) is engineered specifically for the WF-1000XM4 charging case. Compact and lightweight, it delivers reliable power with full safety certifications and a customer-friendly 60-day refund or replacement guarantee.
| Antenna Location | Wireless Headset |
| Asin | B09RMV47C3 |
| Battery Capacity | 500 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 9 Grams |
| Best Sellers Rank | #2,632 in Camera Batteries |
| Brand | Flujoy |
| Customer Reviews | 3.9 3.9 out of 5 stars (10) 3.9 out of 5 stars |
| Item Dimensions | 1.17 x 0.91 x 0.28 inches |
| Manufacturer | Flujoy |
| Model Name | LP702428 |
| Model Number | CS-SWH104SL |
| Number Of Batteries | 1 Lithium Polymer batteries required. (included) |
| Reusability | Rechargeable |
| Voltage | 3.85 Volts |
User
Works great!
I had to replace the batteries of my XM4 buds due to the Sony update bug that bricked then and decided to change the battery in the case as well just to have a full fresh start. Unlike the buds changing the case battery wasn't hard at all with a youtube video, patience, and concentration making sure to avoid not rushing and messing up any wires. It's been maybe a month since I swapped the battery and the battery life on my case and buds have been great.
User
Buen producto
Funciono perfecto!
User
Battery doesnt actually work
Installed easily, but case double-blinks the red indicator light. Battery will not charge.
User
Doesn't seem to work with WF1000XM4
Case just blinks red and does not charge when this battery is installed.
Trustpilot
3 weeks ago
2 weeks ago