When engineers, hobbyists, and battery enthusiasts search for the , they are typically looking for more than just a PDF file. They want voltage curves, discharge ratings, thermal limits, and safety specifications to determine if this cell is right for their next project—whether it’s a high-power e-bike, a DIY power wall, or a professional medical device.
Do not expose to temperatures outside the specified range.
Thanks to its balanced energy density and high discharge rate, the NCR21700T is widely utilized across several sectors.
Temperature must not exceed 60°C during high-current continuous discharge. Internal Resistance and Cycle Life Internal Impedance
Voltage sag is expected. Internal resistance causes initial voltage drops. panasonic ncr21700t datasheet
⚠️ This is a draft for reference. Always refer to Panasonic’s official NCR21700T datasheet for production use. Specifications may vary by production date or region.
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4.8A (1.0C). High charge currents accelerate degradation. Discharge Profile
When designing battery packs using the NCR21700T, engineers must integrate robust protection mechanisms: Thanks to its balanced energy density and high
Cell Voltage (V) 4.2V |----------------------------------------- | \ 3.8V | \---___ 0.2C Discharge | \---___ 3.4V | \ \---___ | \--___ 2.0C Discharge \---___ 3.0V | \---___ \ | \---___ \ 2.5V |-------------------------\-----------\--- +----------------------------------------- 0% 50% 100% Capacity Discharged (%) Voltage Sag (IR Drop) Due to its low internal resistance (
The headline says 35A Max discharge. But look at the temperature graph. If you actually pull 35A continuously, the cell will hit (194°F) very quickly.
Power banks, home energy storage, and industrial backup systems.
The Panasonic NCR21700T is a high-performance, industrial-grade lithium-ion cell. It utilizes the increasingly popular 21700 form factor. This guide breaks down its datasheet specifications, performance metrics, and safety guidelines. Technical Specifications Overview Internal resistance causes initial voltage drops
What is the of your total system?
Tesla’s 2170 cells (used in Model 3) are similar but not identical. The NCR21700T is the commercial version, while Tesla uses a proprietary formulation with slightly higher nickel content.
The shift toward high-capacity, high-drain electronics has made the 21700 lithium-ion battery format an industry standard. Among the top-tier cells in this category is the Panasonic NCR21700T. Known for its exceptional balance of energy density and reliable discharge capabilities, this cell is a staple in electric vehicles, power tools, and custom battery packs.
