Panasonic Ncr21700t Datasheet Site
The specific blend of 4.8Ah capacity and 15A discharge capability makes the NCR21700T highly versatile.
This comprehensive guide breaks down the Panasonic NCR21700T datasheet, exploring its core specifications, performance curves, safety features, and ideal use cases. 1. Overview and Key Features
for a significant portion of the discharge, offering stable power output for most of the runtime. Higher Current (
The high demand and relatively limited official supply chain for the NCR21700T have created a fertile ground for counterfeits and substandard cells, particularly on large e-commerce platforms. There are extensive reports of sellers marketing recycled or counterfeit cells as new Panasonic NCR21700Ts. panasonic ncr21700t datasheet
The unique balance of high current capability and high capacity makes this cell highly versatile.
For OEMs, the datasheet mandates using a BMS with:
-20°C to 60°C (Low-temperature discharge reduces effective capacity due to increased internal resistance; high-temperature discharge accelerates chemical aging). The specific blend of 4
In this article, we will extract, explain, and expand upon every critical specification from the official Panasonic NCR21700T datasheet. We will also discuss real-world performance, safety precautions, and common applications.
The discharge should be terminated at 2.5V to avoid permanent cell degradation.
Optimal charging occurs between 10°C and 45°C , while discharge is safe from -20°C up to 60°C . NCR21700T vs. NCR21700A NCR21700 data sheet Overview and Key Features for a significant portion
The most authoritative source is (now part of Panasonic Energy Co., Ltd.). As of 2026, the official datasheet (document number: DS-21700T-Rev4) can be found at:
Datasheets provide the foundational boundaries for operating a battery cell safely. Physical Dimensions 21.1 mm (maximum) Height: 70.4 mm (maximum) Weight: Approximately 68.0 grams Form Factor: Cylindrical 21700 Electrical Characteristics Nominal Capacity: 4800 mAh (typical) Minimum Capacity: 4650 mAh Nominal Voltage: 3.6V – 3.7V Charging Voltage: 4.20V ± 0.05V Discharge Cut-off Voltage: 2.5V Current and Temperature Limits Standard Charge Current: 1.5A to 2.4A