The Samsung INR21700-50S is a rate-type high-capacity lithium-ion battery cell suitable for consumer electronics, electric vehicles, and power tools, using nickel manganese lithium (INR) chemical composition. Its performance specifications are as follows:
Nominal voltage: 3.6V
Standard capacity: 5000mAh, with a minimum capacity of 4800mAh
Charge cut-off voltage: 4.2V
Discharge end voltage: 2.5V
Standard charge current: 2.5A (0.5C)
Maximum charge current: 6A (1.2C)
Maximum discharge current: 45A (9C)
Internal resistance: ≤14mΩ
Weight: 72g
Operating temperature: -20°C to 60°C
Cycle life: Up to 250 times
This battery has a cylindrical design with a green cell sleeve film color. There is a marking on one side of the cell, including information such as the model "INR21700-50S", the manufacturer "Samsung SDI", and the batch number. At the same time, there are usage warnings for the cell: Do not throw the cell into a fire source. After use, it should be placed in a dedicated battery recycling bin and not be littered randomly.
