Samsung SDI INR21700-50G

The Samsung SDI INR2170050G

Nominal Specifications (*1)

3.1 Standard discharge Capacity

Min. 4,850mAh

- Charge: 0.33C(1600mA),4.2V, 0.025C(121mA) cutoff @ RT

- Discharge : 0.2C(970mA), 2.5V cutoff @ RT

* 1C = 4850mA 3.2 Charging Voltage 4.2V

3.3 Nominal Voltage 3.63V

3.4 Charging Method CC-CV (constant voltage with limited current)

3.5 Charging Current 0.33C (1600mA)

3.6 Charging Time 4hours

3.7 Max. Charge Current 1C (4850mA)

3.8 Max. Discharge Current 9,700mA (for continuous discharge)

14550mA (not for continuous discharge)

3.9 Discharge Cut-off Voltage 2.5V

3.10 Cycle life

Capacity ≥ 3, 880mAh @ after 1,000cycles

(80% of the Standard Discharge Capacity @ RT)

- Charge : 0.33C(1,600mA), 4.2V, CCCV 0.05C(242.5mA) cut-off @RT

- Discharge: 1C(4,850mA), 2.5V cut-off @ RT

3.11 Recovery characteristics

Capacity recovery (after the storage) ≥ 4,365mAh

(90% of the Standard Discharge Capacity @ RT)

- Charge : 0.33C(1,600mA), 4.2V, CCCV 0.05C(242.5mA) cut-off @ RT

- Storage : 30 days @ 60’C

- Discharge : 0.2C(970mA) 2.5V cut-off @ RT

3.12 Cell Weight Max. 69.5g

3.13 Cell Dimension Cell Height : Max. 70.15mm

Diameter : Max. Φ 21.10mm

3.14 Operating Temperature(*2)

(Cell Surface Temperature)

Charge : 0 to 45°C

Discharge : -20 to 60°C