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Model
-SAMSUNG SDI Confidential Proprietary
INR18650-15L Version No.
3.22
SPECIFICATION OF PRODUCT
for Lithium-ion Rechargeable Cell
Model : INR18650-15L1
NMC version
Jul., 2010
Samsung SDI Co., Ltd.
Energy Business Division

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-SAMSUNG SDI Confidential Proprietary
Model INR18650-15L Version No. 3.22
Sang-Uck Kim
Contents
1. Scope
2. Description and model name
2.1. Description
2.2. Model name
3. Nominal specification
4. Outline dimensions
5. Appearance
6. Standard test conditions
6.1. Environmental conditions
6.2. Measuring equipments
7. Characteristics
7.1. Standard charge
7.2. Standard discharge capacity
7.3 Standard rated discharge capacity
7.4. Initial internal impedance
7.5. Temperature dependence of discharge capacity
7.6. Temperature dependence of charge capacity
7.7. Charge rate capabilities
7.8. Discharge rate capabilities
7.9. Cycle life
7.10. Storage characteristics
7.11. Status of the cell as of ex-factory
8. Mechanical Characteristics
8.1. Drop test
8.2. Vibration test
9. Safety
9.1 Overcharge test
9.2 External short-circuit test
9.3 Reverse charge test
9.4 Heating test
10. Warranty
11. Others
11.1 Storage for a long time
11.2 Others
12. Packing
Proper use and handling of lithium ion cells
Handling precaution and prohibitions of lithium Ion rechargeable cells and batteries
Samsung SDI emergency contact information
Additional remarks
Revision history
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Model
-SAMSUNG SDI Confidential Proprietary
INR18650-15L Version No. 3.22
Sang-Uck Kim
1. Scope
This product specification has been prepared to specify the rechargeable lithium-ion cell
('cell') to be supplied to the customer by Samsung SDI Co., Ltd.
2. Description and model
2.1 Description
lithium-ion rechargeable cell
2.2 Model
INR18650-15L1
3. Nominal Specifications
Item
Specification
3.1 Nominal discharge capacity
1,500mAh
(standard charge /0.2C discharge, 2.5V cut-off)
3.2 Minimum capacity
1,450mAh (1C disch., 2.5V discharge)
3.3 Charging voltage
4.2 ± 0.05 V
3.4 Nominal voltage
3.5 Charging method
3.6 Charging current
3.7 Charging time
3.8 Max. discharge current
(continuous)
3.9 Discharge cut-off voltage
3.6V
CC-CV
(100mA cut-off)
Standard charge: 0.5C
Rapid charge: 4A
Standard charge : 150min
Rapid charge: 40min (at 25)
18A (at 25), 60% at 250cycle
2.5V
3.10 Cell weight
43.0g max
3.11 Cell dimension
3.12 Operating temperature
(surface temperature)
3.13 Storage temperature
Height : 64.85 ± 0.15mm
Diameter : 18.15 ± 0.10mm
Charge : 0 to 50
(recommended recharge release < 45)
Discharge: -20 to 75
(recommended re-discharge release < 60)
1 year: -20~25(1*)
3 months: -30~45(1*)
1 months: -30~60(1*)
Note (1): If the cell is kept as ex-factory status (50% of charge),
the capacity recovery rate is more than 90% of standard discharge capacity.
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-SAMSUNG SDI Confidential Proprietary
Model INR18650-15L Version No. 3.22
Sang-Uck Kim
4. Outline dimensions
See the attachment (Fig. 1)
5. Appearance
There shall be no such defects as scratch, rust, discoloration, leakage which
may adversely affect commercial value of the cell.
6. Standard test conditions
6.1 Environmental conditions
Unless otherwise specified, all tests stated in this specification are conducted at
temperature 25±5and humidity 65±20%.
6.2 Measuring equipment
(1) Ammeter and voltmeter
The ammeter and voltmeter should have an accuracy of the grade 0.5 or higher.
(2) Slide caliper
The slide caliper should have 0.01 mm scale.
(3) Impedance meter
The impedance meter with AC 1kHz should be used.
7. Characteristics
7.1 Standard charge
This "Standard charge" means charging the cell with charge current
0.75A and constant voltage 4.2V 100mA cut-off at 25.
7.2 Standard discharge capacity
The standard discharge capacity is the initial discharge capacity of the cell, which is
measured with discharge current of 1,500mA with 2.5V cut-off at 25within 1hour
after the standard charge.
Standard discharge Capacity 1,450mAh
7.3 Standard rated discharge capacity
The standard discharge capacity is the initial discharge capacity of the cell, which is
measured with discharge current of 10A with 2.5V cut-off at 25within 1hour
after the standard charge.
Standard rated discharge Capacity 1,450mAh
7.4 Initial internal impedance
Initial internal impedance measured at AC 1kHz after standard charge.
Initial internal impedance 30m
7.5 Temperature dependence of discharge capacity
Capacity comparison at each temperature, measured with discharge
constant current 10A and 2.5V cut-off after the standard discharge 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 as an index of the capacity at 25(=1,450mAh) is 100%.
7.6 Temperature dependence of charge capacity
Capacity comparison at each temperature, measured with discharge constant current
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-SAMSUNG SDI Confidential Proprietary
Model INR18650-15L Version No. 3.22
Sang-Uck Kim
10A and 2.5V cut-off after the standard charge is as follows.
Charge temperature
Discharge temperature
05254550
Relative capacity 80% 90% 100% 95% 95%
25
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 capacity at 25(=1,450mAh) is 100%.
7.7 Charge rate capabilities
Discharge capacity is measured with constant current 10A and 2.5V cut-off at 25
after the cell is charged with 4.2V as follows.
Charge Condition
Current
0.75A
Rapid 4A
Cut-off
100mA
100mA
Relative
Capacity
100%
98%
Note: Percentage as an index of the discharge capacity at 25and 0.75A charging
(=1450mAh) is 100%.
7.8 Discharge rate capabilities
Discharge capacity is measured with the various currents in under table and 2.5V
cut-off after the standard charge.
Discharge condition
Current
0.3A
4A
10A 15A 18A
Relative
Capacity
104%
97%
100%
97%
95%
Note: Percentage as an index of the capacity at 25(=1,450mAh) is 100%.
7.9 Cycle life
Each cycle is an interval between the charge (charge current 0.75A) with 100mA cut-off
and the discharge (discharge current 18A) with 2.5V cut-off.
Capacity after 250cycles,
Capacity 870mAh (60% of the standard capacity at 25)
7.10 Storage characteristics
Capacity after storage for 1 month at 60from the standard charge,
measured with discharge current 10A with 2.5V cut-off at 25.
Capacity retention(after the storage) 1,015mAh (70% of the capacity at 25)
7.11 Status of the cell as of ex-factory
The cell should be shipped in 50% charged state. In this case, OCV is from 3.730V to
3.790V.
8. Mechanical Characteristics
8.1 Drop test
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