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This 3.7V 1200mAh Li-Polymer replacement battery is engineered for Sony WH-1000XM3, XM4, XB900N, H910N, and CH710N wireless noise-canceling headphones. Featuring a compact 40×39×6mm form factor and lightweight 21g build, it offers reliable power with built-in Japanese Seiko IC protection against overcharge, overdischarge, and short circuits. The battery includes a 2-wire JST connector for easy DIY installation, ensuring your premium audio gear stays powered and ready. Backed by a 1-year warranty, it’s the perfect upgrade to revive your favorite headphones and keep you connected in style.

| ASIN | B08YQX76B1 |
| Amperage | 1.2 Amps |
| Antenna Location | Camera, Radio, Watch |
| Battery Capacity | 1200 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 21 Grams |
| Best Sellers Rank | 53 in MP3 Player Batteries |
| Brand Name | HXJNLDC |
| Compatible Phone Models | Sony WH 1000XM3 |
| Country of Origin | China |
| Customer Reviews | 4.3 4.3 out of 5 stars (2,804) |
| Item Dimensions | 39 x 40 x 6 millimetres |
| Item Weight | 19 Grams |
| Manufacturer | HXJN |
| Model Name | 624038 |
| Model Number | 624038 |
| Number of Batteries | 1 C batteries required. (included) |
| Product Warranty | 1 |
| Reusability | Rechargeable |
| UPC | 049500840235 |
| Unit Count | 1.0 count |
| Voltage | 3.7 Volts (DC) |
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