Maintaining proper temperature is critical for safety and longevity. If the cell feels hot to the touch 60 raised to the composed with power cap C ), stop use immediately. 10 raised to the composed with power cap C positive 45 raised to the composed with power cap C Discharging: negative 20 raised to the composed with power cap C positive 60 raised to the composed with power cap C negative 20 raised to the composed with power cap C positive 50 raised to the composed with power cap C (Long term: room temperature in a dry area) Промелектроніка Usage & Safety Guide
The following technical details are compiled from reputable retail and testing sources: Specification Typical Capacity Minimum Capacity 4800–4900 mAh Nominal Voltage Max Charge Voltage Discharge Cut-off Max Continuous Discharge 15A to 30A (Depending on source/thermal conditions) Peak Discharge Cycle Life >500 to 1000+ cycles ~66.8g to 70g Thermal & "Hot" Characteristics panasonic ncr21700t datasheet hot
Due to its high energy density and discharge capability, it is frequently used in: Electric Vehicles (EVs): Maintaining proper temperature is critical for safety and
The Panasonic NCR21700T utilizes a standard 21700 cylindrical form factor. This format offers a significant increase in energy capacity over traditional 18650 cells with only a modest increase in physical size. 21700 cylindrical cell This format offers a significant increase in energy
It is widely cautioned that many cells sold online as "Panasonic NCR21700T" are fakes. One report warns that "the ones sold on Ali are all fake". Authentic cells from certified distributors consistently deliver their rated 5000mAh capacity, while counterfeits often fall far short. Always purchase from authorized, reputable suppliers.
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