Description: 21700 10000mAh 3.7V Li-ion Rechargeable Battery High Capacity Cell for Flashlights, Power Banks, DIY Electronics & Solar Devices

The 21700 10000mAh 3.7V Lithium-ion Rechargeable Battery is engineered for high performance and reliability. Offering an impressive 10000mAh capacity, this cell delivers long-lasting power for a wide range of devices including LED flashlights, power banks, solar lighting systems, electric tools, and DIY electronics. With advanced safety features, consistent voltage output, and a durable build, it ensures dependable energy storage and reusability. Ideal for hobbyists, tech enthusiasts, and professionals seeking compact, high-capacity rechargeable power.

✅ Specifications

• Battery Type: Lithium-ion (Li-ion)
• Model: 21700
• Capacity: 10000mAh
• Voltage: 3.7V
• Rechargeable: Yes
• Max Discharge Current: Up to 10A (depending on brand/cell type)
• Dimensions: 21mm (diameter) x 70mm (length)
• Weight: Approx. 50-65gm
• Protection Circuit: Optional (Protected/Unprotected versions may vary)
• Cycle Life: 500+ cycles
• Operating Temperature: -20°C to 60°C

✅ Key Features

• High Capacity 10000mAh – Long-lasting power supply
• Rechargeable Design – Eco-friendly & cost-effective
• Stable 3.7V Output – Consistent energy delivery
• Perfect for DIY Projects – Ideal for electronics enthusiasts
• Great for Solar Devices – Energy-efficient storage solution
• Powers High-Drain Devices – Use in flashlights, vapes, tools
• Optional Protection Circuit – Safe & reliable charging
• Universal 21700 Size – Fits many modern devices
• Reusable Up to 500+ Cycles – Sustainable power solution
• Thermal & Overcharge Protection – Safer operation

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Package Included:

1x 21700 10000mAh 3.7V Li-ion Rechargeable Battery – High Capacity Cell for Flashlight, DIY, Power Bank, Solar & Electronic Devices