Standard CC/CV Charging Profile: [Constant Current: 1.5A to 2.4A] ──► [Voltage Hits 4.2V] ──► [Constant Voltage: 4.2V] ──► [Cut-off: Current < 100mA] Charging Guidelines
Suitable for remote‑controlled vehicles, drones, and other high‑performance models.
Datasheet Analysis and Performance Evaluation Cell Model: NCR21700T Manufacturer: Panasonic Corporation panasonic ncr21700t datasheet
When integrating the NCR21700T into a pack, consider the following:
reservoir in a robust 21700 package. Designing within the guidelines laid out in this datasheet ensures safe operation, maximum lifecycle efficiency, and top-tier power performance. Standard CC/CV Charging Profile: [Constant Current: 1
is optimized for high-power output without massive voltage sag
. This is roughly 40% more than the maximum capacity of the older 18650 standard. Voltage Range: Operates at a 3.6V nominal voltage , with a charging peak of . It is critical to never discharge below to avoid permanent internal damage. Energy Density: It packs a punch with (volumetric) and is optimized for high-power output without massive voltage
The datasheet shows that to get the full , you need to discharge the cell down to 2.5V . Most vape mods or flashlights cut off at 2.8V or 3.0V to protect the device.
The shift toward high-capacity, high-drain lithium-ion cells has made the 21700 form factor an industry standard. Among the top-tier manufacturers, Panasonic (and its manufacturing partner Tesla) remains a pioneer. The is one of the most sought-after cylindrical cells for applications requiring a balance of massive energy density and robust discharge capabilities .
Because they were designed for EVs, they are optimized for high-volume manufacturing and long-cycle life rather than the extreme "raw" discharge power found in high-performance power tool cells. Performance Insights for DIYers If you are using these for flashlights or DIY e-bike packs: Capacity King:
Disables the pack if temperature sensors register above 60°C during operation.