3.6V-2600mAh Samsung-ICR18650-26J Battery
ICR18650-26J
The Samsung ICR18650 26JM battery comes up with a nominal capacity of 2600mAh, the voltage of 3.63V .
This is an absolutely excellent cell for anyone seeking high performance 18650 cells.
HIGHLIGHTS OF Samsung ICR 18650 26J
Nominal capacity: 2600mAh
Minimum capacity: 2550mAh
Nominal voltage: 3,6V
Charge voltage: 4,20V±0,05V
Maximum charge current: 2C 5,2A
Minimum discharge voltage: 2,75V
Chemistry: LiNiCoMnO2
Diameter: 18,20mm ± 0,05
Length: 64,80mm ± 0,05
Weight: 45g ± 0,01
MIND
Do not incinerate;
Do not disassemble;
Do not short positive and negative contacts;
Do not expose to heat;
Do not completely discharge;
Do not use force to install a li-ion battery;
Use only high quality battery charger;
Charge fully before first use;
Store in cold and dry place at approximately nominal voltage
APPEARANCE
There shall be no such defects as deep scratch, crack, rust, discoloration or leakage, which may adversely affect the commercial value of the cell.
Diameter : 18.40 mm(MAX)
Diameter is defined as the largest data value measured on the “A” area of a cylindrical cell.
Height :65.2mm(MAX)
Nominal Specification of Samsung-18650-26J
| Item | Specification |
|---|---|
| Nominal Capacity | 2600mAh (0.2C,2.75V discharge) |
| Minimum Capacity | 2550mAh(0.2C,2.75V discharge) |
| Charging Voltage | 4.2 ±0.05V |
| Nominal Voltage | 3.63V |
| Charging Method | cC-CV(constant voltage with limited current) |
| Charging Current | Standard charge: 1300mA |
| Rapid charge:2600mA | |
| Charging Time | Standard charge:3hours |
| Rapid charge:2.5hours | |
| Max. Charge Current | 2600mA(ambient temperature 25℃) |
| Max. Discharge Current | 5200mA(ambient temperature 25℃) |
| Discharge Cut-off Voltage | 2.75V |
| Cell Weight | 45.0g max |
| Operating temperature(surface temperature) | Charge : 0 to 45℃ |
| Discharge: -20 to 60℃ | |
| Cell Dimension | Height:65.00mm max |
| Diameter:18.40mm max | |
| Operating Temperature | 1 year: -20~25℃(1*) |
| 3 months : -20~45℃(1*) | |
| 1 month : -20~60℃(1*) |
Note: If the cell is kept as ex-factory status (50% of charge), the capacity recovery rate is more than 80%.
Characteristics
Standard Charge
This “Standard Charge” means charging the cell with charge current 1300mA and constant voltage 4.2V at 25℃ for 3hours.
Standard Discharge Capacity
The standard discharge capacity is the initial discharge capacity of the cell, which is measured with discharge current of 520mA with 2.75V cut-off at 25℃ within 1hour after the standard charge.
Standard Discharge Capacity ≥ 2550mAh
Initial internal impedance
Initial internal impedance measured at AC 1kHz after Standard charge. Initial internal impedance ≤ 100mΩ
Temperature Dependence of Discharge Capacity
Capacity comparison at each temperature, measured with discharge constant current 520mA and 2.75V cut-off after the standard charge is as follows.
| Charge Temperature | Discharge temperature | |||
|---|---|---|---|---|
| 25°C | -10°C | 0°C | 25°C | 40°C |
| Relative Capacity | 60% | 80% | 100% | 80% |
Note:
If charge temperature and discharge temperature is not the same, the interval for temperature change is 3 hours. Percentage as an index of the Standard discharge capacity (=2550mAh) is 100%
Temperature Dependence of Charge Capacity
Capacity comparison at each temperature, measured with discharge constant current 550mA and 2.50V cut-off at 25°C after the Standard charge is as follow temperature.
| Charge temperature | Discharge temperature | |||
|---|---|---|---|---|
| 0°C | 25°C | 45°C | 25°C | |
| Relative Capacity | 80% | 100% | 80% | |
Note:
If charge temperature and discharge temperature is not the same, the interval for temperature change is 3 hours. Percentage as an index of the Standard discharge capacity (=2550mAh) is 100%.
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