Samsung 50E SDI 21700 5000mAh Battery

Samsung SDI INR21700-50E Lithium-ion Battery Cells

>100K in stock, 2023-08 fresh date code, shipping by sea or air in a short time.

SDS UN38.3 RoHS UL1642 CB IEC62133 test reports and certificates are available.

Samsung 50E Cell Specification

1. Scope
This product specification has been prepared to specify the rechargeable lithium-ion cell (“Cell” or “Cells”) to be supplied to the customer by Samsung SDI Co., Ltd.
2. Description and Model
2.1 Description Cell (lithium-ion rechargeable cell)
2.2 Model INR21700-50E
2.3 Site Manufactured in Korea or China
3. Nominal Specifications
3.1 Standard discharge Capacity Min 4,900mAh
- Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT
- Discharge : 0.2C(980mA), 2.5V cutoff @ RT
3.2 Rated discharge Capacity Min 4,753mAh
- Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT
- Discharge : 1C(4,900mA), 2.5V cutoff @ RT
3.3 Charging Voltage 4.2V
3.4 Nominal Voltage 3.63V
3.5 Charging Method CC-CV (constant voltage with limited current)
3.6 Charging Current Standard charge : 2,450mA
3.7 Charging Time Standard charge : 4hours
3.8 Max. Charge Current 4,900mA (not for cycle life)
3.9 Max. Discharge Current
9,800mA (for continuous discharge)
14,700mA (not for continuous discharge)
3.10 Discharge Cut-off Voltage 2.5V
3.11 Cycle life
Capacity ≥ 3,802mAh @ after 500cycles
(80% of the Rated Discharge Capacity @ RT)
- Charge : 0.5C(2,450mA), 4.2V, CCCV 0.05C(245mA) cut-off @ RT
- Discharge: 1C(4,900mA), 2.5V cut-off @ RT
3.13 Recovery characteristics
Capacity recovery (after the storage) ≥ 4,410mAh
(90% of the Standard discharge capacity @ RT)
- Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT
- Storage : 20 days @ 60’C
- Discharge : 0.2C(980mA) 2.50V cut-off @ RT
3.14 Cell Weight 69.5g max
3.15 Cell Dimension
Cell height : Max.70.80mm

Top Diameter : Φ Max.21.25mm

Samsung 50E Datasheet

Samsung 50E 21700 Battery