The NCR21700T has built-in protection and safety features:
Safety recommendations (practical):
The NCR21700T runs hotter than the Samsung 40T under identical loads. Why? Higher internal resistance. While the datasheet claims <18mΩ, real-world DC internal resistance (DCIR) often measures 20-24mΩ at room temperature. As the cell heats up, resistance climbs, creating a vicious heat loop.
: To prevent overheating or permanent damage, it is critical not to discharge below 2.5V . If the surface temperature exceeds 60°C , discharge should be stopped immediately. Common Applications
While the NCR21700T is a high-capacity cell (4.8Ah), it is optimized for energy density rather than power density . If your application runs "hot" (drawing >10A continuously), this cell may require significant cooling. For high-drain, hot-running applications, a different cell chemistry (like high-drain INR types) may be more appropriate.
The NCR21700T has built-in protection and safety features:
Safety recommendations (practical):
The NCR21700T runs hotter than the Samsung 40T under identical loads. Why? Higher internal resistance. While the datasheet claims <18mΩ, real-world DC internal resistance (DCIR) often measures 20-24mΩ at room temperature. As the cell heats up, resistance climbs, creating a vicious heat loop.
: To prevent overheating or permanent damage, it is critical not to discharge below 2.5V . If the surface temperature exceeds 60°C , discharge should be stopped immediately. Common Applications
While the NCR21700T is a high-capacity cell (4.8Ah), it is optimized for energy density rather than power density . If your application runs "hot" (drawing >10A continuously), this cell may require significant cooling. For high-drain, hot-running applications, a different cell chemistry (like high-drain INR types) may be more appropriate.