: Varies by source, typically listed at 30A maximum continuous (with peaks up to 40A) in high-drain applications. Some conservative retail listings suggest 10A–15A for optimal longevity. Operating Temperature (Discharge) : -20°C to +60°C Operating Temperature (Charge) : 0°C to +45°C (Standard)
To truly appreciate the NCR21700T, it's helpful to see how it stacks up against other popular 21700 cells. Samsung produces a family of high-performance 21700 cells that are frequent competitors.
The Panasonic NCR21700T is a 3.6V/3.7V nominal lithium-ion cell manufactured by Panasonic Corporation. It is designed to maximize energy density while maintaining adequate current output for demanding applications. Specification NCR21700T (or INR21700T) Capacity (Nominal) 4800mAh - 4850mAh Capacity (Minimum) 4700mAh - 4750mAh Guaranteed Nominal Voltage 3.6V / 3.7V Varies by manufacturer data Charging Voltage 4.20V ± 0.05V Max Discharge Current 10A - 15A (Constant) See thermal section for details Weight 21x70mm format
With a rated (when properly used), the NCR21700T is built to last. This makes it an excellent choice for applications where battery longevity is critical, such as EVs, solar storage, and heavy‑duty tools. panasonic ncr21700t datasheet hot
The datasheet confirms that the "hot" reputation is fully justified. This cell offers a rare and powerful combination of and 30A+ continuous discharge . It is perfectly suited for engineers and builders who refuse to compromise on either runtime or power.
: Approximately 21.1mm in diameter and 70.4mm in length (Flat top style). Thermal & Safety Characteristics
At a 5C discharge rate, the surface temperature can increase by approximately 45°C in under 10 minutes without active cooling. : Varies by source, typically listed at 30A
Laptop power banks and solar storage solutions. Medical Equipment: High-energy, reliable power source. Panasonic NCR21700T
Building a battery pack with NCR21700T cells requires careful attention to their safety limits.
The first thing to note is that there can be slight variations in reported specifications for the NCR21700T depending on the source or manufacturing batch. However, the core technical data generally aligns around the following key figures. Samsung produces a family of high-performance 21700 cells
⚠️ Different resellers cite varying maximum continuous discharge ratings. The most conservative figures (10A constant) are recommended for regular use, but some sources state the cell can handle 15A or even 35A pulses thanks to its NCR chemistry.
Whether you plan to use in your pack design Your specific target cycle life expectations
The Panasonic NCR21700T is suitable for various applications:
Cells should be stored at a partial state of charge (30% to 50% SoC, approx. 3.7V to 3.8V) in a cool, dry environment (ideally between -20°C and +20°C) to minimize capacity loss from self-discharge and chemical aging. 5. Applications and Target Use Cases
