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Overview

Manufacturer
Model
Type
Form factor
Country of origin
Release year
Samsung
INR21700-50E
Li-ion
Cylindrical 21700
Korea
2017

Electrical

Nominal Voltage [V]
Energy capacity [Wh]
Capacity [Ah]
Continuous charge [A]
Max continuous charge [A]
Continuous discharge [A]
Max continuous discharge [A]
Charge cut-off [V]
Discharge cut-off [V]
3.6
17.64
4.9
2.45
4.9
0.98
9.8
4.2
2.5

Chemistry

Ni-based
Graphite
Positive electrode (cathode)
Negative electrode (anode)

Geometry & Mechanical

Height [mm]
Diameter [mm]
Mass [g]
Volume [cm
3
]
70.8
20.25
​
​
Samsung

Samsung INR21700-50E

Li-ion
Cylindrical 21700

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