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The HXJNLDC 103665 is a rechargeable 3.7V lithium polymer battery boasting a robust 3000mAh capacity and 3A max current, designed specifically for DIY electronic projects within 3.7-5V range. Featuring a built-in 2-wire JST connector and advanced Japanese Seiko IC protection, it ensures safe, reliable power delivery while its compact 66×36×10mm size and lightweight 47.4g build make it ideal for mobile energy storage and custom electronics. Backed by a 1-year warranty, it’s the go-to replacement battery for professionals seeking dependable performance without compromise.







| ASIN | B091Y3TW9F |
| Amperage | 3 Amps |
| Antenna Location | GPS, Power Tool, Watch |
| Battery Capacity | 3000 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 47.3 Grams |
| Best Sellers Rank | #351,022 in Health & Household ( See Top 100 in Health & Household ) #839 in 3.7V Batteries |
| Brand | HXJNLDC |
| Customer Reviews | 4.0 4.0 out of 5 stars (139) |
| Item Dimensions | 2.6 x 1.42 x 0.39 inches |
| Item Weight | 51 Grams |
| Manufacturer | HXJN |
| Model Name | 103665 |
| Model Number | 103665 |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Reusability | Rechargeable |
| UPC | 723258290015 |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts (DC) |
| Warranty Description | 1 |
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