The Samsung INR 21700 50S is a high-performance lithium-ion rechargeable cell designed for high energy and mid range discharge rates.

This cell offers a typical discharge capacity of 5,000mAh and a minimum rated discharge capacity of 4,800mAh, ensuring reliable power for demanding applications. 

It has a nominal voltage of 3.6V and supports both standard and rated charging, with respective charging times. The cell is capable of a substantial power output, with a maximum continuous discharge current of 25A (without temperature cut) and 45A (with 80℃ temperature cut).

Its cycle life is exceptional, maintaining a capacity of at least 2,940mAh after 250 cycles under rated charge and discharge conditions.

The INR21700-50S also exhibits excellent retention characteristics, recovering to at least 90% of its rated capacity after 30 days of storage at 60℃. The product specifications include operating temperature ranges, dimensions, and safety testing information




anufacturer
Samsung SDI


Model
50S


Size
21700


Positive Terminal
Flat Top


Nominal Capacity
5000mAh


Continuous Discharge Rating (max)
25A with no temperature cut / 45A with 80C temperature cut


Nominal Voltage
3.6V


Maximum Voltage
4.2V


Discharge cut-off Voltage
2.5V


Protected
No


Rechargeable
Yes


Approx. Dimensions
20.45mm x 70.55mm


Approx. Weight
70.19g