Before exploring specific operating curves, the baseline mechanical and electrical boundaries of the cell must be understood. This industrial cell relies on a cathode formulation to achieve high volumetric energy density. Specification Parameter Value / Data Metric Form Factor 21700 Cylindrical (21.1mm Diameter x 70.4mm Length) Chemistry Lithium-Ion (NCA Cathode) Nominal Capacity 5000 mAh (Typical) / 4800 mAh (Minimum) Nominal Voltage Maximum Charge Voltage 4.2V ± 0.05V Discharge Cut-off Voltage Max Continuous Discharge Current 30A (With adequate thermal management up to 40A peak) Internal Impedance ≤ 12 mΩ (AC 1kHz) Cycle Life
is a Nickel-based Lithium-ion ternary cell designed for maximum energy density without sacrificing power output. Manufacturer: Panasonic Industry Nominal Capacity: 5000mAh (Typical), 4800mAh (Minimum) Nominal Voltage: 3.6V Maximum Charging Voltage: 4.2V ±plus or minus panasonic ncr21700t datasheet hot