18650 USB Rechargeable Li-ion Battery 3.7V 7400mWh

1. High Capacity & Stable Performance

7400mWh energy with a constant 3.7V output, ideal for high-drain devices.

2. Long-Lasting & Cost-Effective
1000+ recharge cycles, 3-4x energy density of alkaline batteries, significantly reducing long-term costs and waste.

3. Multiple Safety Protections
Built-in protections against overcurrent, overvoltage, overheating, and short circuits for safe and reliable operation.

4. Fast Charging
Fully charges in just 1 to 1.5 hours—50% faster than traditional NiMH chargers.  And compared to alkaline batteries，which can only last 5-10hours in high-drain devices and offer 500 charge cycles.  It helps consumers to save 80% in long-term costs by avoiding the frequent replacement of alkaline batteries

5. Certified Quality
Complies with international standards, including IEC 62133, CE, FCC, UN38.3, and RoHS, ensuring global safety and performance.

6. Eco-friendly Design
Rechargeable 1000+ times, reducing waste and supporting sustainability compared to disposable alkaline batteries.

7. Wide Compatibility
Works with all devices that require 18650 batteries—no adapters needed.

8. Low-Temperature Performance
Reliable operation in temperatures ranging from -20°C to 60°C, making it suitable for extreme environments.

9. Smart Charging Management
Equipped with an intelligent chip to optimize charging efficiency and prevent overcharging.

10. Warranty
1-year warranty for USB rechargeable batteries, ensuring customer satisfaction and confidence.