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This 802540 lithium polymer battery delivers a reliable 900mAh capacity at 3.7V nominal voltage, engineered specifically for Sena 10S, 20s, and 30K Bluetooth motorcycle headsets. Featuring advanced Japanese Seiko IC protection against overcharge, overdischarge, and short circuits, it ensures safe, long-lasting performance. Compact and lightweight, it also supports other low-power 3.7-5V devices under 3.33Wh, making it a versatile, must-have replacement battery for professionals who demand uninterrupted connectivity on the road.







| ASIN | B08TBYRSNQ |
| Amperage | 0.9 A |
| Antenna Location | Motorcycles |
| Battery Capacity | 900 milliamp_hours |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 16.8 g |
| Best Sellers Rank | #111,454 in Health & Household ( See Top 100 in Health & Household ) #39 in 3.7V Batteries |
| Brand | HXJNLDC |
| Customer Reviews | 4.2 out of 5 stars 650 Reviews |
| Included Components | 850mAh battry x 1 pack, heat shrinkable insulating sleeve x 1 |
| Item Dimensions | 1.61 x 0.98 x 0.31 inches |
| Item Weight | 16.8 g |
| Manufacturer | HXJN |
| Model Name | 802540 |
| Model Number | 802540 |
| Number of Batteries | 1 C batteries required. (included) |
| Recommended Uses For Product | Motorcycles |
| Reusability | Rechargeable |
| UPC | 049500840204 |
| Unit Count | 1 Count |
| Voltage | 3.7 volts_of_direct_current |
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