Panasonic Ncr21700t Datasheet May 2026
Panasonic NCR21700T Datasheet: Unveiling the Features and Benefits of this High-Performance Lithium-Ion Battery
1. Executive Summary
The Panasonic NCR21700T is a high-energy-density cylindrical Lithium-Ion battery. As an evolution of the 18650 form factor, the 21700 size allows for greater capacity and improved thermal management. The "T" designation typically signifies a specific revision optimized for high capacity and reliable discharge rates, often found in electric vehicles (EVs), energy storage systems (ESS), and high-end industrial applications. This cell offers a balance between volumetric energy density and power capability. panasonic ncr21700t datasheet
— End of post
Q: What are the safety features of the Panasonic NCR21700T? A: The datasheet highlights several safety features, including overcharge protection, over-discharge protection, and a protective circuit that prevents excessive current flow. Compared with smaller 18650 cells: 21700 format increases
The Panasonic NCR21700T is a lithium-ion battery cell with the following characteristics: For context, a standard high-quality 18650 cell typically
Comparative context (21700 ecosystem)
- Compared with smaller 18650 cells: 21700 format increases energy per cell and can simplify pack design (fewer cells in series/parallel for a given capacity).
- Compared with power‑oriented 21700 variants: power‑optimized cells (e.g., with lower internal resistance, thicker tabbing, different electrode microstructure) will deliver higher continuous currents but at lower gravimetric energy.
- For designs needing both high energy and significant power, parallel arrays of NCR21700T or hybrid packs mixing energy and power cells can be considered—with careful BMS and thermal design.
For context, a standard high-quality 18650 cell typically offers between 3000 mAh and 3500 mAh. By switching to the 21700 format and the NCR21700T chemistry, designers gain nearly 50% more capacity per cell. This reduction in cell count (fewer cells needed to achieve a target Watt-hour rating) simplifies Battery Management Systems (BMS) and reduces welding points, increasing overall pack reliability.
