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Vapcell F66 INR21700 6600mAh 12.5A Li-ion Rechargeable Battery
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Detail
Key FeaturesHigh Capacity 6600mAh
The Vapcell F66 provides a typical capacity of 6600mAh and a minimum capacity of 6400mAh under 0.2C discharge conditions, making it ideal for users who need longer runtime from a single 21700 cell.
12.5A Maximum Continuous Discharge
With a maximum continuous discharge current of 12500mA / 12.5A, this battery delivers stable output for compatible devices that require dependable Li-ion power.
Standard INR21700 Format
The battery uses the popular 21700 cylindrical cell size, suitable for devices specifically designed to support 21700 lithium-ion batteries.
Long Cycle Life
Under proper use, the cell is rated for over 1000 cycles at 1C discharge while maintaining at least 70% capacity.
Item Specification Model INR21700 Battery Type Li-ion Rechargeable Battery Size Ø21.7 ± 0.2mm × 71.0 ± 0.3mm Nominal Voltage 3.60V End-of-Charge Voltage 4.20V End-of-Discharge Voltage 2.50V Typical Capacity 6600mAh, 0.2C discharge Minimum Capacity 6400mAh, 0.2C discharge Weight Max. 74g Internal Resistance Max. 16mΩ, AC 1kHz Standard Charge 2000mA, CC-CV, 100mA cut-off Quick Charge Current 3500mA Max Continuous Discharge Current 12500mA / 12.5A Cycle Life 1C discharge, 70% capacity, ≥1000 cycles Charging Temperature 0°C to 45°C Discharging Temperature -20°C to 70°C Storage Temperature -5°C to 35°C Storage Humidity ≤75% RH Standard Environmental Condition 23 ± 5°C, 45–75% RH, 86–106KPa
Usage & Safety Notes
Use only with devices designed for 21700 Li-ion batteries. Always use a compatible lithium-ion battery charger and observe correct polarity when installing the cell.
Do not short-circuit, overcharge, over-discharge, puncture, crush, disassemble, expose to fire, or use the battery if the wrap is damaged. Store the battery in a cool, dry place away from metal objects and extreme temperatures.
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