Samsung 50GB SDI 21700 Li-ion Battery Cells
>100K in stock, original packaging, shipping by truck, ocean or air in a quick time.
SDS UN38.3 RoHS SGS BIS CB IEC62133 UL1642,Technical Report are available!
SDI 50GB Nominal Specification
Typical Energy: 18.15Wh (4.2V, 0.2C discharge)
Energy Density (759Wh/L, Typical)
Energy Density (258Wh/kg, Typical)
3.1 Standard discharge Capacity1 Standard discharge Capacity
5000mAh Min. 4,900mAh
- Charge: 0.33C(1617mA),4.2V, 0.025C(123mA) cutoff @ RT
- Discharge : 0.2C(980mA), 2.5V cutoff @ RT
* 1C = 4,900mA
2 Charging Voltage 4.2V
3 Nominal Voltage 3.63V
4 Charging Method CC-CV (constant voltage with limited current)
5 Charging Current 0.33C (1,617mA)
6 Charging Time 4hours
7 Max. Charge Current 1C (4,900mA)
8 Max. Discharge Current
9,800mA (for continuous discharge)
14,700mA (not for continuous discharge)
9 Discharge Cut-off Voltage 2.5V
10 Cycle life: Capacity ≥ 3,920mAh @ after 1,000cycles
(80% of the Standard Discharge Capacity @ RT)
- Charge : 0.33C(1,617mA), 4.2V, CCCV 0.05C(245mA) cut-off @ RT
- Discharge: 1C(4,900mA), 2.5V cut-off @ RT
11 Recovery characteristics
Capacity recovery (after the storage) ≥ 4,410mAh (90% of the Standard Discharge Capacity @ RT)
- Charge : 0.33C(1,617mA), 4.2V, CCCV 0.05C(245mA) cut-off @ RT
- Storage : 30 days @ 60’C
- Discharge : 0.2C(980mA) 2.5V cut-off @ RT
12 Cell Weight Max.71.0±1.5
13 Cell Dimension
Cell Height : Max. 70.15mm
Diameter : Max. Φ 21.10mm
14 Operating Temperature(Cell Surface Temperature)
Charge : 0 to 45°C
Discharge : -20 to 60°C
Discharge : -20 to 60°C
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