3.6V-2000mAh Samsung INR-18650 20R Battery
Samsung INR 18650-20R
The inr18650 samsung 20r comes up with a nominal capacity of 2000mAh, the voltage of 3.6V .
The LG MF1 is a lithium-ion cell intended for use in high current 18650 battery packs. It can power a wide range of devices including a car black box, vehicle traveling data recorder, or wireless device. Samsung 18650 batteries are highly regarded for performance and safety.
This is an absolutely excellent cell for anyone seeking high performance 18650 cells.
HIGHLIGHTS OF Samsung18650-20R
Capacity: 2000mAh
Rated Voltage 3.6V – 3.7V
Charging cycle termination voltage 4.20V ± 0.05V
max discharge current: 22A
Do not discharge deeper than 2.5V
Plus pool: Flat top
Chemistry: Li-ion
Protection circuit: Without
Diameter: 18.2mm
Height: 64.9mm
Weight: 42.4g
Storage temperature: 1 month: -20°C ~ 60°C, 3 months: -20°C ~ 45°C, 1 year: -20°C ~ 20°C
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 : 18.33 ± 0.07mm
Diameter is defined as the largest data value measured on the “A” area of a cylindrical cell.
Height : 64.85 ± 0.15mm
Nominal Specification of inr18650 Samsung 20r
| ltem | Specification |
|---|---|
| Nominal discharge capacity | 2,000mAhCharge: 1A,4.20VCCCV 100mA cut-off, |
| Discharge: 0.2C, 2.5V discharge cut-off | |
| Nominal voltage | 3.6V |
| Standard charge | CCCV,1A,4.20±0.05 V,100mA cut-off |
| Rapid charge | CCCV,4A.4.20±0.05 V 100mAcut-off |
| Charging time | Standard charge:180min/100mA cut-off |
| Rapid charge: 50min (at 25 ℃)/ 100mA cut-off | |
| Max. continuous discharge(Continuous) | 22A(at 25℃),60% at 250 cycle |
| Discharge cut-off voltageEnd of discharge | 2.5V |
| Cell weight | 45.0g max |
| Cell dimension | Height:64.85±0.15mm |
| Diameter: 18.33± 0.07mm | |
| Operating temperature(surface temperature) | Charge : 0 to 50℃ (recommended recharge release < 45℃) |
| Discharge: -20 to 75℃(recommended re-discharge release < 60 ) | |
| Storage Temperature | 1.5 year -30~25 ℃ |
| 3 months -30~45℃ | |
| 1 month -30~60 ℃ |
Characteristics
Standard charge
This “Standard charge” means charging the cell CCCV with charge current 0.5CmA (1,000mA), constant voltage 4.2V and 100mA cut-off in CV mode at 25℃ for capacity. .
Rapid charge
Rapid charge means charging the cell CCCV with charge current 4A and 100mA cut-off at 25℃
Nominal discharge capacity
The standard discharge capacity is the initial discharge capacity of the cell, which is measured with discharge current of 400mA(0.2C) with 2.5V cut-off at 25℃ within 1hour after the standard charge. Nominal discharge capacity ≥ 2,000mAh Which complying to the minimum capacity of IEC61960 standard.
Standard rated discharge capacity
The standard rated discharge is the discharge capacity of the cell, which is measured with discharge current of 10A with 2.5V cut-off at 25℃ within 1hour after the standard charge. Standard rated discharge capacity ≥ 1,950mAh
Initial internal impedance
Initial internal impedance measured at AC 1kHz after standard charge. Initial internal impedance ≤ 18mΩ
Temperature dependence of discharge capacity
Capacity comparison at each temperature, measured with discharge constant current 10A and 2.5V cut-off after the standard charge is as follows.
| Discharge Temperature | ||||
|---|---|---|---|---|
| -20℃ | -10℃ | 0℃ | 25℃ | 60℃ |
| 60% | 75% | 80% | 100% | 100% |
Note:
If charge temperature and discharge temperature is not the same, the interval for temperature change is 3 hours. Percentage index of the discharge at 25℃ at 10A (=1,950mAh) is 100%.
Temperature dependence of charge capacity
Capacity comparison at each temperature, measured with discharge constant current 10A and 2.5V cut-off after the standard charge is as follows.
| Charge temperature | Discharge temperature | |||||
|---|---|---|---|---|---|---|
| 0℃ | 5℃ | 25℃ | 45℃ | 50℃ | 25℃ | |
| Relative capacity | 80% | 90% | 100% | 95% | 95% | |
Note:
If charge temperature and discharge temperature is not the same, the interval for temperature change is 3 hours. Percentage index of the discharge at 25℃ at 10A (=1,950mAh) is 100%.
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