Cell Info Repository

Samsung SDI INR21700-50E (4.9Ah)
Samsung SDI

INR21700-50E

NCA
Cylindrical 21700
Overview
ManufacturerSamsung SDI
ModelINR21700-50E
CaseCylindrical 21700
Cathode Active MaterialNCA (Lithium Nickel Cobalt Aluminium Oxide)
Cycle Life500 cycles
Mass69 g
Height70.8 mm
Diameter21.25 mm
Electrical Properties
Rated Capacity4.9 Ah
Nominal Voltage3.6 V
Upper Voltage Limit4.2 V
Lower Voltage Limit2.5 V
Maximum Continuous Discharging Current9.8 A
Charging Current2.45 A
Maximum Continuous Charging Current4.9 A
Derived Values
Energy17.6 Wh
Specific Energy255.7 Wh/kg
Volume0.025 L
Energy Density702.5 Wh/L
Max. Continuous Discharge Rate2 C
Max. Continuous Charge Rate1 C