Panasonic Ncr21700t Datasheet !link!

Discharging below 2.5V can cause copper shunts to form inside the cell, creating an internal short when recharged. Overcharging past 4.25V can destabilise the chemical structure, leading to thermal runaway. Summary: Is the Panasonic NCR21700T Right for Your Project?

The cell retains a significant portion of its capacity at lower temperatures, though discharge voltage is lower at -10°C compared to 25°C. Typical Applications

At a standard , the voltage drops smoothly from 4.2V, holding a flat plateau around 3.6V for the majority of the cycle, before dropping sharply as it approaches the 2.5V cut-off. panasonic ncr21700t datasheet

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

At ~5000mAh, these are among the highest capacity 21700s you can get. Moderate Power: Discharging below 2

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

The BMS or mechanical fuses must interrupt circuit flow if the current exceeds the continuous rated limits. The cell retains a significant portion of its

Initial charging occurs at a constant current until the cell hits 4.2V. The charger then holds the voltage steady while the current drops. Charging stops when the current trickles down to a designated cutoff, typically around 50mA to 100mA. Fast charging above 3A is possible but accelerates capacity degradation. Discharge Performance

Vendors position the NCR21700T as suitable for building or replacing lithium‑ion battery packs for e‑bikes. Its high energy density enables compact, long‑range packs.