Because the 21700 cell layout is larger than traditional cells, it offers expanded surface space for active cooling. When designing complex, multi-cell blocks (e.g., e-mobility packs), embed physical plastic cell holders. Avoid gluing cells tightly together without gaps. Air channels or aluminum cooling fins are necessary to dissipate heat and prevent center-nested cells from cooking under heavy power draws.
The cell accepts an optimal charge envelope between . Forcing energy into the cell below 10°C induces a high risk of lithium plating on the anode, creating dangerous internal dendrites. 2. Discharge Thermal Boundaries
Keep in mind that datasheets can vary depending on the source and specific product revisions. If you're looking for a detailed datasheet, I recommend checking the official Panasonic website or contacting their support team for the most up-to-date information.
: 21700 (21mm x 70mm), which offers higher energy density than traditional 18650 cells. Промелектроніка panasonic ncr21700t datasheet hot
Master Guide to the Panasonic NCR21700T Datasheet: Specs, High-Drain Performance, and EV Origins
"Hot" operation is a critical factor for this cell due to its high-current capabilities. Operating Discharge Range: -20°C to +60°C (-4°F to 140°F). Thermal Safety Threshold:
Panasonic NCR21700T Datasheet: Understanding High-Capacity 21700 Performance and Thermal Behavior The Panasonic NCR21700T Go to product viewer dialog for this item. Because the 21700 cell layout is larger than
Based on the datasheet, the NCR21700T is ideal for:
In this article, we dissect the official Panasonic NCR21700T datasheet, translate the electrical jargon, and explain exactly why this cell runs hot, where the thermal limits are, and how to use it safely without venting your device.
The NCR21700T is a "hybrid" cell, offering both capacity and power. However, it is not primarily a ultra-high-drain cell (like the Molicel P42A or Samsung 40T). It gets "hot" when: Air channels or aluminum cooling fins are necessary
: 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
3.6V (consistent across discharge cycles for modern brushless motors).
At extreme rates like , significant voltage sag occurs early in the cycle due to internal resistance. Designers must adjust low-voltage cutoff parameters to prevent premature equipment shutdown caused by transient voltage dips. Engineering Best Practices for Pack Integration Structural Spot Welding
is a Nickel-based Lithium-ion ternary cell designed for maximum energy density without sacrificing power output. Manufacturer: Panasonic Industry Nominal Capacity: 5000mAh (Typical), 4800mAh (Minimum) Nominal Voltage: 3.6V Maximum Charging Voltage: 4.2V ±plus or minus
Here are the key features and specifications of the Panasonic NCR21700T:
