1. Scope
This product specification has been prepared to specify the rechargeable lithium-ion cells
to be supplied to the customer by Samsung SDI Co., Ltd. (“Samsung SDI”)
2. Description and Model
2.1 Description Cell (Samsung 26J3, SDI 26J3)
2.2 Model ICR18650-26J (Version 3)
2.3 Site Manufactured in Malaysia
3. Nominal specifications (*¹)
Item Specification
3.1 Standard discharge capacity
Min 2,550mAh
- Charge : 0.5C (1300mA), 4.2V 20mA or 3hr cut-off @RT
- Discharge : 0.2C (520mA), 2.75V cut-off @RT
*1C=2,600mA (Typical Capacity 2,600mAh)
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 Standard charge: 1,300mA
3.6 Charging Time Standard charge: 3hours
3.7 Max. Charge Current 2,600mA (not for cycle life)
3.8 Max. Discharge Current 10A (Continuous discharge @RT)
3.9 Discharge Cut-off Voltage 2.75V (End of discharge)
3.10 Cycle life
Capacity ≥ 1,785mAh @ after 500cycles
(70% of the Standard Discharge Capacity @ RT)
- Charge : 0.5C (1.3A), 4.20V, 130mA or 3hr cut-off @ RT
- Discharge : 1C (2.6A), 2.75V cut-off @ RT
3.11 Storage characteristics
Capacity recovery(after the storage) ≥ 2,040mAh (80% of
the Standard capacity @ RT)
- Charge : 0.5C(1,300mA), 4.2V 20mA or 3hr cut-off @ RT
- Storage : 30 days (@ RT)
- Discharge : 0.2C(520mA), 2.75V cut-off @ RT
3.12 Cell Weight 46g max
3.13 Cell Dimension
Height : Max. 65.0 mm
Diameter : Max.18.4 mm
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