These specifications are based on general industry datasheets for the NCR21700T model. Feature Specification 4800mAh – 5000mAh Nominal Voltage 3.6V – 3.7V Standard Charge Voltage Discharge Cut-off Voltage Continuous Discharge Current 15A – 30A (varies by source/testing) Peak Discharge Current Cycle Life >1,000 cycles Approximate Weight 65g – 70g Key Characteristics NCR21700 data sheet
| Parameter | Recommended | Absolute Max | |-----------|-------------|---------------| | Charge voltage | 4.20 V | 4.25 V (risk of plating) | | Standard charge current | 1.5 A (0.3C) | – | | Fast charge current | 3.0 A (0.6C) | 4.0 A (must cut off at 4.20V) | | Trickle charge (below 2.5V) | Do not apply – cell considered damaged | | | Temperature range | 0°C to +45°C | – | panasonic ncr21700t datasheet
At ~5000mAh, these are among the highest capacity 21700s you can get. Moderate Power: This specific cell, often described as a modified
An analysis of the Panasonic NCR21700T is less about a simple cylinder of metal and more about the "quiet revolution" of the energy sector. This specific cell, often described as a modified version of the batteries powering high-performance electric vehicles, represents the peak of modern energy density and power delivery. The Anatomy of Power: Key Specifications NCR21700 data sheet | Feature | | NCR18650B (Legacy) | NCR21700A
Keep in mind that these specifications might not be comprehensive or up-to-date. If you need accurate and detailed information, I recommend finding the official datasheet from Panasonic or a reliable source.
| Feature | | NCR18650B (Legacy) | NCR21700A (Previous Gen) | | :--- | :--- | :--- | :--- | | Form Factor | 21700 | 18650 | 21700 | | Capacity | 4800 mAh | 3400 mAh | ~4000 - 4500 mAh | | Energy | ~17.3 Wh | ~12.2 Wh | ~15.8 Wh | | Advantage | Highest energy density in class | Mature technology | Good balance of power/energy |