Samsung INR21700-50S 21700 lithium battery

Item

Specification

3.1 Standard discharge capacity

Typ. 5,000mAh

-Charge: 0.5C(2.5A), 4.20V, 0.05C(250mA) cut-off @ RT

-Discharge: 0.2C(1A), 2.5V cut-off @ RT

*1C=5.000mA

3.2 Rated discharge capacity

Min. 4,800mAh

-Charge:1.2C(6A), 4.20V, 0.02C(100mA)cut-off @RT

-Discharge: 10A, 2.5V cut-off @ RT

3.3 Nominal voltage

3.6V

3.4 Standard charge

CCCV, 2.5A, 4.20 V, 250mA cut-off

3.5 Rated charge

CCCV, 6A, 4.20 V, 100mA cut-off

3.6 Charging time

Standard charge : 150min / 250mA cut-off(@ RT) Rated charge: 100min / 100mA cut-off(@ RT)

3.7 Max. continuous discharge (Surface temperature)

25A(Without temperature cut) 45A(With 80℃ temperature cut)

3.8 Max. charge current

10A (for step charge) 6A (continuous charge)

3.9 Discharge cut-off voltage

2.5V (End of discharge)

3.10 Cycle life

① Capacity ≥ 2,940mAh @ after 250cycles (60% of the standard capacity @ RT)

• Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT

• Discharge: 25A , 2.5V cut-off @ RT

• Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT

• Discharge: 45A, 2.5V cut-off

② Capacity ≥ 2,940mAh @ after 100cycles (60% of the standard capacity @ RT)

(80℃ cut-off, re-discharge release < 50℃) @ RT

3.11 Retention characteristics

Capacity recovery(after the storage) ≥ 4,320 mAh (90% of the rated capacity @ RT)

• Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT

• Storage : 30 days (@ 60℃)

• Discharge : 10A , 2.5V cut-off @ RT

3.12 Cell weight

72.0g max

3.13 Cell dimension

Height : Max 70.62mm Diameter : Max 21.25mm

3.14 Operating temperature (Ambient)

Charge : 0 to 60℃ Discharge: -20 to 60℃

3.15 Operating temperature(*2) (Surface)

Charge : 0 to 60℃

(recommended recharge release < 45℃)

Discharge: -20 to 80℃

(must re-discharge release < 60℃)

3.16 Operating temperature (For safety certificate)

Charge : -10 to 60℃

3.17 Recovery 90% after storage(*3)

1 year 0~25℃

3 months 0~45℃

1 month 0~60℃