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This 3.7V 3000mAh rechargeable lithium polymer battery is designed for DIY electronic projects requiring 3.7-5V power with up to 3A current. Featuring a compact 66×36×10mm size and weighing just 47.4g, it integrates a high-quality Japanese Seiko IC for comprehensive protection against overcharge, overdischarge, overcurrent, and short circuits. The battery comes with a genuine JST 2-wire connector and flexible wiring options, making it ideal for custom electronics, mobile energy storage, and replacement power supplies—backed by a 1-year quality guarantee.







| 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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