Heat is generated primarily through internal resistance (IR) during high-current discharge.
Optimized for steady currents up to 10A to 15A without active cooling.
for high-drain performance, though standard industry cut-off is often cited at : Maximum of Промелектроніка Performance & Thermal Limits Discharge Rate panasonic ncr21700t datasheet hot
| Specification | Details | | :--- | :--- | | Model | Panasonic NCR21700T | | Format | 21700 (21mm diameter, 70mm height) | | Nominal Voltage | 3.6V – 3.7V | | Capacity | 4800mAh – 5000mAh | | End of Charge Voltage | 4.20V ± 0.05V | | Discharge Cut‑off Voltage | 2.5V | | Standard Charge Current | 2A – 5A (CC‑CV) | | Max Continuous Discharge Current | 10A – 35A (source dependent) | | Pulse Discharge Current | 45A (for 5–6 seconds) | | Internal Resistance | ≤ 14mΩ (AC at 1000Hz) | | Cycle Life | > 1000 cycles (to 70% capacity) | | Weight | ≈ 68g – 70g | | Operating Temperature | Charge: 0°C to 45°C; Discharge: –20°C to 60°C | | Storage Temperature | –20°C to 60°C | | Protection Circuit (PCB) | Not integrated (must be used with external BMS) |
The Panasonic NCR21700T datasheet reveals a high-performance lithium-ion battery cell that offers exceptional energy density, power capability, and lifespan. With its versatile applications, reliable performance, and robust specifications, the NCR21700T has become a popular choice among manufacturers and engineers. As the demand for high-quality lithium-ion batteries continues to grow, the Panasonic NCR21700T is well-positioned to remain a leading solution for various industries. Heat is generated primarily through internal resistance (IR)
Based on the datasheet, the NCR21700T is ideal for:
3.6V (consistent across discharge cycles for modern brushless motors). to see exactly how hot it gets at 20A
to see exactly how hot it gets at 20A.
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