Panasonic Ncr21700t Datasheet Here

Angle grinders and drills that require sudden bursts of power.

The Panasonic NCR21700T is a high-capacity 21700-format lithium‑ion cylindrical cell marketed for high‑energy applications that require long run time and reasonable discharge capability. With a nominal voltage around 3.6–3.7 V and a published nominal capacity near 5,000 mAh, the cell represents a class of large-format cylindrical Ni‑rich/NC‑based (NCR-series) chemistries optimized for energy density rather than maximum continuous current. This treatise surveys its specification envelope, internal design and materials implications, electrical and thermal behavior, typical applications, performance tradeoffs, lifecycle and safety considerations, testing and modeling resources, supply/market context, and practical guidance for designers and end users.

High-lumen tactical and diving flashlights requiring high current. Safety and Handling Guidelines

Offers better thermal stability and capacity retention than standard cobalt-only cells. panasonic ncr21700t datasheet

), some voltage sag will occur, causing the discharge curve to shift downward. Designers must account for this by configuring low-voltage cut-offs within the BMS to avoid premature system shutdowns under heavy load. Cycle Life Expectancy When cycled under standard conditions ( discharge down to ), the cell retains roughly

Q: Can I use the NCR21700T in my DIY project? A: Yes, the NCR21700T can be used in various DIY projects, but ensure you follow proper safety guidelines and handling procedures when working with lithium-ion batteries.

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| Specification | Typical Values | | --- | --- | | | 4800mAh / 5000mAh | | Standard Charge | 2A (CC-CV) | | Standard Charging Time | ~6 hours | | Rated Charge | 2A | | Rated Charging Time | ~3.6 hours | | Max Continuous Discharge | 10A (Standard), 2C (6.8A Rated) | | Pulse Discharge (Max) | 12A (5-6 seconds) | | Internal Resistance | 12-14mΩ (Source), ≤14mΩ (Typ) | | Nominal Voltage | 3.6V / 3.7V | | Full Charge Voltage | 4.2V ± 0.05V | | Discharge Cut-off Voltage | 2.5V | | Cycle Life | >500 cycles to >3.84Ah | | Weight | 68g ± 0.5g |

The Panasonic NCR21700T stands out as a premium 21700 lithium-ion cell, offering a robust 4800mAh capacity paired with the legendary safety and manufacturing consistency of Panasonic engineering. By adhering strictly to the parameters outlined in its technical datasheet—specifically concerning thermal management and voltage cut-offs—engineers can design highly efficient, long-lasting energy storage solutions.

is optimized for high-power output without massive voltage sag ), some voltage sag will occur, causing the

Disclaimer: This report is based on technical specifications available for the Panasonic NCR21700T series. Always consult the official manufacturer datasheet for the specific lot code before final design, as specifications can be subject to change.

The charger applies a steady current (typically 2.3A for standard longevity) until the cell voltage reaches 4.2V.