The following data represents the standard electrical and mechanical characteristics of the NCR21700T cell.
| 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 |
Note: Never attempt to charge the NCR21700T at sub-zero temperatures (below 0°C). Doing so causes lithium plating on the anode, creating internal short circuits and permanent safety hazards. 4. Cycle Life and Longevity
However, the lack of an official datasheet places a greater burden of responsibility on the user to verify their source and adhere to strict safety protocols. If you can find a verified authentic cell, the NCR21700T offers a compelling balance of capacity, current capability, and reliability. For any serious battery project, treat the specifications outlined in this guide as the necessary baseline for safe and effective operation. panasonic ncr21700t datasheet
When pushed to its maximum continuous discharge limits (15A–30A), "voltage sag" occurs. This temporary drop in operating voltage is caused by internal resistance. Proper thermal management is mandatory at high discharge currents to prevent the cell from exceeding its maximum thermal threshold. 3. Thermal Limits and Environmental Operating Ranges
The datasheet typically rates cycle life based on standard conditions (25°C, 0.5C charge/discharge). For the NCR21700T:
⚠️ This is a draft for reference. Always refer to Panasonic’s official NCR21700T datasheet for production use. Specifications may vary by production date or region. The following data represents the standard electrical and
. This cell isn't just a battery; it’s a solution to the "range anxiety" that haunted the early 2010s. Products for Business - Panasonic Energy Co., Ltd.
The NCR21700T is characterized by a flat discharge curve, typical of NCA chemistry.
Panasonic cells are legendary for their chemistry stability. Under standard operating conditions (0.5C charge, 1C discharge, at 25°C), the NCR21700T datasheet projects: For any serious battery project, treat the specifications
The following table summarizes the complete datasheet specifications for the Panasonic NCR21700T lithium-ion battery cell:
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