-SAMSUNG SDI Confidential Proprietary –
Model
INR18650-15L
Version No.
3.21
SPECIFICATION OF PRODUCT
for Lithium-ion Rechargeable Cell
Model : INR18650-15L
NMC version
Jul., 2010
Samsung SDI Co., Ltd.
Energy Business Division
-SAMSUNG SDI Confidential Proprietary –
Model
INR18650-15L
Version No.
3.21
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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-SAMSUNG SDI Confidential Proprietary –
Model
INR18650-15L
Version No.
3.21
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
INR18650-15L
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
3.6V
3.5 Charging method
3.6 Charging current
3.7 Charging time
CC-CV
(100mA cut-off)
Standard charge: 0.5C
Rapid charge: 4A
Standard charge : 150min
Rapid charge: 40min (at 25℃)
3.8 Max. discharge current
(continuous)
18A (at 25℃), 60% at 250cycle
3.9 Discharge cut-off voltage
2.5V
3.10 Cell weight
43.0g max
3.11 Cell dimension
Height : 64.85 ± 0.15mm
Diameter : 18.15 ± 0.10mm
3.12 Operating temperature
(surface temperature)
Charge : 0 to 50℃
(recommended recharge release < 45℃)
Discharge: -20 to 75℃
(recommended re-discharge release < 60℃)
3.13 Storage temperature
1 year:
3 months:
1 months:
-20~25℃(1*)
-30~45℃(1*)
-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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Model
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Version No.
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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±5℃ and 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 25℃ within 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 25℃ within 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
≤ 30mΩ
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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Model
INR18650-15L
Version No.
3.21
Sang-Uck Kim
10A and 2.5V cut-off after the standard charge is as follows.
Charge temperature
Relative capacity
Discharge temperature
0℃
5℃
25℃
45℃
50℃
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
100%
98%
Capacity
Note: Percentage as an index of the discharge capacity at 25℃ and 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
104%
97%
100%
97%
95%
Capacity
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 60℃ from 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 3.79V to
3.85V.
8. Mechanical Characteristics
8.1 Drop test
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Model
INR18650-15L
Version No.
3.21
Sang-Uck Kim
Test method: Cell (as of shipment or full charged) drop onto the oak-board
(thickness: ≥ 30mm) from 1.0m height at a random direction 6 times.
Criteria: No leakage
8.2 Vibration test
Test method: As to the UN transportation regulation(UN38.3), for each axis (X and Y
axis with cylindrical cells) 7Hz→200Hz→7Hz for 15min, repetition 12 times totally
3hours, the acceleration 1g during 7 to 18Hz and 8g (amplitude 1.6mm) up to 200Hz.
Criteria: No leakage, with less than 10mV of OCV drop
9. Safety
9.1 Overcharge test
Test method: To charge with 20A-20V at 25℃ for 2hr.
Criteria: No fire, and no explosion.
9.2 External short-circuit test
Test method: To short-circuit the standard charged cell(or 50% discharged cell)
by connecting positive and negative terminal by less than 50mΩ wire for 10min.
Criteria: No fire, and no explosion.
9.3 Reverse charge test
Test method: To charge the standard charged cell with charge current 10A
By 0V for 2.5 hours.
Criteria: No fire, and no explosion.
9.4 Heating test
Test method: To heat up the standard charged cell at heating rate 5℃ per minute up to
150℃ and keep the cell in oven for 10 minutes.
Criteria: No fire, and no explosion.
10. Warranty
Samsung SDI will be responsible for replacing the cell against defects or poor workmanship
for 18months from the date of shipping. Any other problem caused by malfunction of the
equipment or mix-use of the cell is not under this warranty.
The warranty set forth in proper using and handling conditions described above and
excludes in the case of a defect which is not related to manufacturing of the cell.
11. Others
11.1 Storage for a long time
If the cell is kept for a long time(3months or more), It is strongly recommended
that the cell is preserved at dry and low-temperature.
11.2 Other
Any matters that specifications does not have, should be conferred with
between the both parties.
12. Packing
See Fig.2, Package Drawing
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Model
INR18650-15L
Version No.
3.21
Sang-Uck Kim
18.15±0.10mm
64.85±0.15mm
Unit : mm
Fig.1. Outline dimensions of INR18650-15L
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-SAMSUNG SDI Confidential Proprietary –
Model
INR18650-15L
Version No.
3.21
Sang-Uck Kim
96 PCS in small box
Master carton (192 PCS)
Tape
Fig.2. Package drawing
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-SAMSUNG SDI Confidential Proprietary –
Model
INR18650-15L
Version No.
3.21
Sang-Uck Kim
Proper use and handling of lithium ion cells
See before using lithium-ion cell
Supplied by
Samsung SDI Co., Ltd.
1. General
This document has been prepared to describe the appropriate cautions and
prohibitions, which the customer should take or employ when the customer uses
and handles the lithium ion cell to be manufactured and supplied by Samsung SDI Co.,
Ltd., in order to obtain optimum performance and safety.
2. Charging
2.1 Charging current
Charging current shall be less than maximum charge current specified in
the product specification.
2.2 Charging voltage
Charging shall be done by voltage less than that specified in the product specification.
2.3 Charging time
Continuous charging under appropriate voltage does not cause any loss of
characteristics. However, the charge timer is recommended to be installed
from a safety consideration, which shuts off further charging at time specified
in the product specification.
2.4 Charging temperature
The cell shall be charged within a range of specified temperatures in
the product specification.
2.5 Reverse charging
The cell shall be connected, confirming that its poles are correctly aligned.
Inverse charging should be strictly prohibited. If the cell is connected
improperly, it may be damaged.
3. Discharging
3.1 Discharging
3.1.1 The cell shall be discharged at less than maximum discharge current
specified in the product specification.
3.2 Discharging temperature
3.2.1 The cell shall be discharged within a range of temperatures specified in
the product specification.
3.2.2 Otherwise, it may cause loss of characteristics.
3.3 Over-discharging
3.3.1 The system should equip with a device to prevent further discharging
exceeding discharging cut-off voltage specified in the product
specification.(over-discharging)
3.3.2 Over-discharging may cause loss of performance, characteristics and
battery function.
3.3.3 Over-discharging may occur by self-discharge if the battery is left for
a very long time without any use.
3.3.4 The charger should equip with a device to detect voltage of cell block and to
determine recharging procedures.
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Model
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Version No.
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Sang-Uck Kim
4. Storage
4.1 Storage conditions
4.1.1 The cell should be stored within a range of temperatures specified
in the product specification.
4.1.2 Otherwise, it may cause loss of characteristics, leakage and/or rust.
4.2 Long-term storage
4.2.1 The cell should be used within a short period after charging because
long-term storage may cause loss of capacity by self-discharging.
4.2.2. If long-term storage is necessary, the cell should be stored at lower
voltage within a range specified in the product specification, because
storage with higher voltage may cause more loss of characteristics.
5. Cycle life
5.1 Cycle life performance
5.1.1 The cell can be charged/discharged repeatedly up to times specified in
the product specification with a certain level of capacity specified in the
product specification.
5.1.2 Cycle life may be determined by conditions of charging, discharging,
operating temperature and/or storage.
6. Design of system
6.1 Connection between the cell and the battery
6.1.1 The cell should not be soldered directly with other cells. Namely, the cell
should be welded with leads on its terminal and then be soldered with
wire or leads to solder.
6.1.2 Otherwise, it may cause damage of component, such as separator and
insulator, by heat generation.
6.2 Positioning the battery in the system
6.2.1 The battery should be positioned as possible as far from heat sources
and high temperature components.
6.2.2 Otherwise, it may cause loss of characteristics.
6.2.3 The recommended spacing between the cells is more than 1mm.
6.3 Mechanical shock protection of the battery
6.3.1 The battery should be equipped with appropriate shock absorbers in order to
minimize shock.
6.3.2 Otherwise, it may cause shape distortion, leakage, heat generation
and/or rupture and/or open circuit.
6.4 Short-circuit protection of the cell
6.4.1 The cell equips with an insulating sleeve to protect short-circuit which
may occur during transportation, battery assembly and /or system operation.
6.4.2 If the cell sleeve is damaged by some cause such as outside impact,
it may cause short-circuit with some wiring inside the battery.
6.5 Connection between the battery and charger/system
6.5.1 The battery should be designed to be connected only to the specified
charger and system.
6.5.2 A reverse connection of the battery, even in the specified system,
should be avoided by employing special battery design such as
a special terminals.
6.6 Pack design
6.6.1 The current consumption of the battery pack should be under 10uA
at sleep mode.
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Model
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Version No.
3.21
Sang-Uck Kim
6.6.2 Cell Voltage monitoring system.
The system (Charger or Pack) should equip with a device to monitor each
voltage of cell block and to stop charging if the cell imbalance happened.
6.6.4 The battery pack or system should have warning system such as over
temperature, over voltage, over current, and so on.
7. Battery pack assembly
7.1 Prohibition of usage of damaged cell
7.1.1 The cell should be inspected visually before battery assembly.
7.1.2 The cell should not be used if sleeve-damage, can-distorsion and/or
electrolyte-smell is detected.
7.2 Terminals handling
7.2.1 Excessive force on the negative terminal should be avoided when
external lead is welled.
7.3 Transportation
7.3.1 If the cell is necessary to transported to other place, such as the
battery manufacturer, careful precautions should be taken to avoid
damage of cell.
8. Others
8.1 Disassembly
8.1.1 The cell should not be dismantled from the battery pack.
8.1.2 Internal short-circuit caused by disassembly may lead to heat generation
and/or venting.
8.1.3 When the electrolyte is coming in contact with the skin or eyes,
flush immediately with fresh water and seek medical advice.
8.2 Short-circuiting
8.2.1 Short-circuit results in very high current which leads to heat generation.
8.2.3 An appropriate circuitry should be employed to protect accidental
short-circuiting.
8.3 Incineration
8.3.1 Incinerating and disposing of the cell in fire are strictly prohibited,
because it may cause rupture and explosion.
8.4 Immersion
8.4.1 Soaking the cell in water is strictly prohibited, because it may cause
corrosion and leakage of components to be damaged to functions
8.5 Mixing use
8.5.1 Different types of cell, or same types but different cell manufacturer's shall not be
used, which may lead to cell imbalance, cell rupture or damage to system due to
the different characteristics of cell.
8.6 Battery exchange
8.6.1 Although the cell contains no environmentally hazardous component,
such as lead or cadmium, the battery shall be disposed according to
the local regulations when it is disposed.
8.6.2 The cell should be disposed with a discharged state to avoid heat generation
by an inadvertent short-circuit.
8.7 Caution
The Battery used in this device may present a risk of fire or chemical burn if
mistreated.
Do not disassemble, expose to heat above 100℃ or incinerate it.
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Model
INR18650-15L
Version No.
3.21
Sang-Uck Kim
Replace battery with those of Samsung SDI only.
Use of another battery may cause a risk of fire or explosion.
Dispose of used battery promptly.
Keep battery away from children.
Do not disassemble and do not dispose of battery in fire.
8.8 Warning – Attached
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Model
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Version No.
3.21
Sang-Uck Kim
Handling precaution and prohibitions of lithium rechargeable cells and batteries
Inaccurate handling of lithium ion and lithium ion polymer rechargeable battery may cause leakage, heat,
smoke, an explosion, or fire.
This could cause deterioration of performance or failure. Please be sure to follow instructions carefully.
1.1 Storage
Store the battery at low temperature (below 25℃ is recommended), low humidity, no dust and no
corrosive gas atmosphere.
1.2 Safety precaution and prohibitions
To assure product safety, describe the following precautions in the instruction manual of the
application.
[ Danger!]
■ Electrical misusage
Use stipulated charger.
Use or charge the battery only in the stipulated application.
Don't charge the battery by an electric outlet directly or a cigarette lighter charger.
Don't charge the battery reversely.
■ Environmental misusage
Don't leave the battery near the fire or a heated source.
Don't throw the battery into the fire.
Don't leave, charge or use the battery in a car or similar place where inside of temperature may be
over 60℃.
Don't immerse, throw, wet the battery in water / sea water.
■ others
Don't fold the battery cased with laminated film such as pouch and polymer.
Don't store the battery in a pocket or a bag together with metallic objects such as keys, necklaces,
hairpins, coins, or screws.
Don't short circuit (+) and (-) terminals with metallic object intentionally.
Don't pierce the battery with a sharp object such as a needle, screw drivers.
Don't heat partial area of the battery with heated objects such as soldering iron.
Don't hit with heavy objects such as a hammer, weight.
Don't step on the battery and throw or drop the battery on the hard floor to avoid mechanical shock.
Don't disassemble the battery or modify the battery design including electric circuit.
Don't solder on the battery directly.
Don't use seriously scared or deformed battery.
Don't put the battery into a microwave oven, dryer ,or high-pressure container.
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-SAMSUNG SDI Confidential Proprietary –
Model
INR18650-15L
Version No.
3.21
Sang-Uck Kim
Don't use or assemble the battery with other makers' batteries, different types and/or models of
batteries such as dry batteries, nickel-metal hydride batteries, or nickel-cadmium batteries.
Don't use or assemble old and new batteries together.
[ Warning! ]
Stop charging the battery if charging isn't completed within the specified time.
Stop using the battery if the battery becomes abnormally hot, order, discoloration, deformation, or
abnormal conditions is detected during use, charge, or storage.
Keep away from fire immediately when leakage or foul odors are detected. If liquid leaks onto your
skin or cloths, wash well with fresh water immediately.
If liquid leaking from the battery gets into your eyes, don't rub your eyes and wash them with clean
water and go to see a doctor immediately.
If the terminals of the battery become dirty, wipe with a dry cloth before using the battery.
The battery can be used within the following temperature ranges. Don't exceed these ranges.
The operating temperature is based on the cell surface temperature in the hottest position in pack.
Charge temperature ranges
: 0℃ ~ 50℃
Discharge Temperature ranges : -20℃ ~ 75℃
Store the battery at temperature below 60℃
Cover terminals with proper insulating tape before disposal.
[ Caution! ]
■ Electrical misusage
Battery must be charged with constant current-constant voltage (CC/CV).
Charge current must be controlled by specified value in cell specification.
Cut-off voltage of charging must be less than 4.2 + 0.05V
Charger must stop charging battery by detecting either charging time or current specified in cell’s
specification.
Discharge current must be controlled by specified value in cell’s specification.
Cut-off voltage of full discharging and recharging must be over 2.5V.
■ others
Keep the battery away from babies and children to avoid any accidents such as swallow.
If younger children use the battery, their guardians should explain the proper handling method and
precaution before using.
Before using the battery, be sure to read the user's manual and precaution of it's handling.
Before using charger, be sure to read the user's manual of the charger.
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Model
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Version No.
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Before installing and removing the battery from application, be sure to read user's manual of the
application.
Replace the battery when using time of battery becomes much shorter than usual.
Cover terminals with insulating tape before proper disposal.
If the battery is needed to be stored for an long period, battery should be removed from the
application and stored in a place where humidity and temperature are low.
While the battery is charged, used and stored, keep it away from object materials with static electric
chargers.
Safety handling procedure for the transporter
■ Quarantine
Packages that are crushed, punctured or torn open to reveal contents should not be
transported. Such packages should be isolated until the shipper has been consulted,
provided instructions and, if appropriate, arranged to have the product inspected and
repacked.
■ Spilled product
In the event that damage to packaging results in the release of cells or batteries,
the spilled products should be promptly collected and segregated and the shipper
should contact for instructions.
Design of positioning the battery pack in application and charger
To prevent the deterioration of the battery performance caused by heat, battery shall be positioned
away from the area where heat is generated in the application and the charger.
Design of the battery pack
Be sure adopting proper safe device such as PCM specified type or model in Cell Specification. If you
intend to adopt different safety device which is not specified in Cell Specification, please contact
Samsung SDI to investigate any potential safety problem.
Be sure designing 2nd protective devices such as PCM at the same time to protect cell just in case
one protective device is fault.
Please contact following offices when you need any help including safety concerns.
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Model
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Version No.
3.21
Samsung SDI emergency contact information
■ Samsung SDI Cheonan factory QA
508, Sungsung-dong, Cheonan-si, Chungnam, Korea
Tel:(+82)70-7125-1834 Fax:(+82)41-560-3697
■ Samsung SDI America office.
18600 Broadwick Street Rancho Dominguez CA 90220
Tel:(+1)310-900-5205 Fax:(+1)310-537-1033
■ Samsung SDI Taiwan office.
Rm. 3010, 30F., 333, Keelung Rd. Sec. 1, Taipei, Taiwan
Tel:(+886)2-2728-8469 Fax:(+886)2-2728-8480
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Sang-Uck Kim
-SAMSUNG SDI Confidential Proprietary –
Model
INR18650-15L
Version No.
3.21
Sang-Uck Kim
Additional remarks
■ Cell Package : The bare cell is packed by which packaging material, PET tube.
■ Model name and part number marking : there are three lines on the cell tube as follows.
Line 1 : INR18650-15L --- Cell Model Name
Line 2 : SAMSUNG SDI ---Cell manufacturer
Line 3 : 120
---Part number of INR18650-15L
■ Lot marking : There are two line on the cell metal can as follows.
st
Line 1 : 115A --- 1 digit: line number ( “1” means Line No. 1)
nd
rd
2 ~3 digit: Model Name (“15” is INR18650-15x NMC)
th
4 digit: Year ( “A” is 2010)
st
Line 2 : 4E1C5 --- 1 digit: Month ( “4” is Apr. ; A is Oct., B is Nov., C is Dec)
nd
th
2 digit: Date (“E” is 15 day ; 1, 2 is 2... , 10 is A, 11 is B…)
rd
3 digit: Serial No. of winding
th
4 digit: Reel No ( “C” is C reel ; A is A reel, B is B reel, ... F is F reel)
th
5 digit: Winding Machine No. ( “1” is No.1 winder)
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Model
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Version No.
3.21
Sang-Uck Kim
Revision history
Version
Date(‘yr-m-d)
Changes/Author
Reason of change
1.0
‘06-06-27
First version
First version
/Sang-Uck Kim
1.5
’09.09.21
Cell dimension modification
Dimension correction
Height 65.0 max 64.60±0.15
Diameter 18.4 max 18.15±0.10
Standard charge 0.91 0.65A
Standard charge 0.5C
Standard discharge 1300mAh
Adapting standard rated discharge 10A
Standard rated discharge 10A
For cell w/o temperature cut-off during
Max charge current 4A 6A
cycle life
Max discharge current 15A 18A
Based on practical performance
Operating temperature base: surface
Based on cell surface temperature
temperature of cell
Charge: 0 to 50℃
(recharge release < 45℃)
Discharge: -20 to 75℃
(Re-discharge release < 60℃)
Cell/Date code marking correction
Package number correction
96 in small box, 192 in master cartoon
/Sang-Uck Kim
1.6
’10.03.18
Max charge current 6A 4A
Testing facility
/Sang-Uck Kim
3.0
’10.04.22
Part number: 096 120
For NMC cell
Vibration test method to UN38
Vibration test method complied to UN38
Height 65.0 max 64.85±0.15
With Unified Cap-CID Ass’y
/Sang-Uck Kim
3.1
’10.05.21
Cell model name15L for 15Q NMC
According to manufacturing system
/Sang-Uck Kim
3.2
’10.06.08
Charging time correction
Complying to cell performance
Standard 300150, rapid 3040 min
/Sang-Uck Kim
3.21
’10.07.05
Missing clause 3.6: charge current
/Sang-Uck Kim
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Standard 0.5C, rapid (max) charge 4A