Panasonic Ncr21700t Datasheet Hot -

Up to 1.0C (approx. 4.8A) under controlled thermal conditions. Higher charging currents will accelerate cell degradation. Discharge Performance and Current Limits

Because the 21700 cell layout is larger than traditional cells, it offers expanded surface space for active cooling. When designing complex, multi-cell blocks (e.g., e-mobility packs), embed physical plastic cell holders. Avoid gluing cells tightly together without gaps. Air channels or aluminum cooling fins are necessary to dissipate heat and prevent center-nested cells from cooking under heavy power draws.

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Panasonic NCR21700T Datasheet: Understanding High-Capacity Performance and "Hot" Operating Conditions

Below is a table of the most critical technical specifications compiled from official and verified sources: Up to 1

This is an (flat top) cell. It does not have a built-in protection circuit (PCM/PCB) and must be used with external battery management systems to prevent overcharging, over-discharging, and short circuits.

The is a premier lithium-ion cell designed to meet the high energy and current demands of modern applications . Featuring a nominal capacity of 5000mAh and a massive continuous discharge current profile, this cell represents a crucial evolutionary leap over older 18650 models. It serves as a foundational component in electric vehicles (EVs), high-end power tools, robotics, and customizable battery packs. Discharge Performance and Current Limits Because the 21700

, strict adhering to the recommended charging protocol is required: CC-CV 2500mA (2.5A) to 4.2V. Charge Cut-off Current: 100mA (0.1A).

Many NCR21700T cells found on the market are "reclaimed" or salvaged from electric vehicle modules. These may show signs of removed aluminum wire bonds on the terminals.