Panasonic Ncr21700t Datasheet [hot] Jun 2026

If you are developing a specific project, please let me know: What is your ? What are your maximum current draw requirements? What is your preferred configuration (e.g., 10S2P, 4S1P)? Share public link

High-end, high-lumen tactical flashlights use 21700 form factors to replace older 18650 standards. Mandatory Battery Management System (BMS) Requirements

Perfect for e-bikes, e-scooters, and electric motorcycles where range and weight are critical.

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

As a 21700 cell, it provides roughly 50% more capacity and energy than the older 18650 standard, allowing for longer runtimes in the same relative footprint. Market Reality & Identification panasonic ncr21700t datasheet

Because the NCR21700T prioritizes capacity (5000mAh) over high discharge rates, it is best suited for devices requiring long-lasting energy.

The NCR21700T (and the 21700 format in general) was the catalyst for moving away from the classic 18650 standard. Energy Density:

The Panasonic NCR21700T is a high-performance, industrial-grade lithium-ion cell that has become a benchmark in the energy storage and electric mobility industries. Known for its optimal balance of energy density, safety, and reliability, understanding its technical specifications is crucial for engineers, product designers, and battery enthusiasts alike.

), 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 If you are developing a specific project, please

Cordless drills, saws, and high-drain outdoor equipment.

Restrict the lower depth of discharge (DoD) to instead of 5. Charging Protocols: CC/CV Method

The cell offers a volumetric energy density of approximately 775 Wh/l and a gravimetric density of 263 Wh/kg , making it highly efficient for its weight and size.

While the cell boasts a high nominal capacity of 4800mAh, its internal resistance is optimized to support high-drain applications. It can comfortably sustain continuous discharge currents up to 15A without significant voltage sag. Under controlled thermal conditions (where cell temperature does not exceed 60°C), peak bursts or elevated continuous discharge up to 20A can be achieved, though this may accelerate cycle degradation. Environmental and Temperature Limits Safety and Handling Guidelines As a 21700 cell,

The Panasonic NCR21700T is a high-performance, industrial-grade 21700 lithium-ion cylindrical cell. Known for its exceptional balance of high energy density and reliable discharge capabilities, this cell is widely utilized in demanding applications. This guide synthesizes the critical technical specifications, performance metrics, and safety protocols found within the official Panasonic NCR21700T datasheet. Key Specifications and Nominal Ratings

21700 cylindrical cell (21mm diameter x 70mm height)

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