

🔋 Power up your adventures with unstoppable energy!
This 3.7V 21700 flat top rechargeable lithium-ion battery delivers a robust 5000mAh capacity, ideal for high-performance LED flashlights and headlamps. Its larger size compared to AA and 18650 batteries ensures extended runtime, while the no memory effect design allows flexible charging cycles. Sold in a convenient 2-pack, it’s engineered for professionals and enthusiasts who demand reliable, long-lasting power on the go.





| Antenna Location | Indoor/Outdoor |
| Unit Count | 1.0 Count |
| Battery Cell Type | Lithium Ion |
| Battery Capacity | 5000 Milliamp Hours |
| Reusability | Rechargeable |
| Voltage | 1.5 Volts |
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