2023年11月22日发(作者：台湾手机品牌htc)

- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

SPECIFICATION OF PRODUCT

for Lithium-ion rechargeable cell

Model name : INR18650-20R M

- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

Revision history

Revision Changes

No. / Author

v1.0 ‘13-07-30 First Edition In-Young Jang

Date(‘yr-m-d) Page Item Description

8 Packing Change drawing of package

v2.0 ’14-02-04 Kris Hur

Add pack guideline 13,14 Pack guideline

18 Contact information Change address of Headquarter

- 1/18-

- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

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 name INR18650-20R M

3. Nominal specifications

Item Specification

3.1 Nominal discharge capacity Charge: 1A, 4.20V, CCCV 100mA cut-off

3.2 Nominal voltage 3.6V

3.3 Standard charge CCCV, 1A, 4.20 ± 0.05 V, 100mA cut-off

3.4 Rapid charge CCCV, 4A, 4.20 ± 0.05 V, 100mA cut-off

3.5 Charging time

2,000mAh

Discharge: 0.2C, 2.5V discharge cut-off

Standard charge : 180min / 100mA cut-off

Rapid charge: 50min (at 25℃) / 100mA cut-off

3.6 Max. continuous discharge

20A(at 25℃), 60% at 250 cycle

(Continuous)

3.7 Discharge cut-off voltage

2.5V

End of discharge

3.8 Cell weight 45.0g max

3.9 Cell dimension

Height : 64.85 ± 0.15mm

Diameter : 18.33 ± 0.07mm

Charge : 0 to 50℃

(recommended recharge release < 45℃)

3.10 Operating temperature

Discharge: -20 to 75℃

(surface temperature)

(recommended re-discharge release < 60℃)

1 year -20~25℃(1*)

3.11 Storage temperature

3 months -30~45℃(1*)

(Recovery 90% after storage)

1 month -30~60℃(1*)

Note (1): If the cell is kept as ex-factory status (50±5% SOC, 25℃),

the capacity recovery rate is more than 90% of 10A discharge capacity

100% is 1,950mAh at 25℃ with SOC 100% after formation.

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

4. Outline dimensions

See the attachment (Fig. 1)

- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

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) Amp-meter and volt-meter

The amp-meter and volt-meter should have an accuracy of the grade 0.5mA and

mV 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 CCCV with charge current 0.5CmA

(1,000mA), constant voltage 4.2V and 100mA cut-off in CV mode at 25℃ for capacity.

.

7.2 Rapid charge

Rapid charge means charging the cell CCCV with charge current 4A and 100mA cut-off

at 25℃

7.3 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.

7.4 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

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

7.5 Initial internal impedance

Initial internal impedance measured at AC 1kHz after standard charge

Initial internal impedance ≤ 18mΩ

7.6 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%.

7.7 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.

Relative capacity 80% 100% 95% 95%

Charge temperature Discharge temperature

0℃ 25℃ 45℃ 50℃

25℃

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%.

7.8 Charge rate capabilities

Discharge capacity is measured with constant current 10A and 2.5V cut-off

after the cell is charged with 4.2V as follows.

Charge condition

Current Standard 1A Maximum rapid charge 4A

Cut-off 100mA 100mA

Relative

100% 97%

Capacity

Note: Percentage index of the discharge at 25℃ at 10A (=1,950mAh) is 100%

.

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

7.9 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 0.40A 4A 10A 18A 20A

Relative

100% 97% 100% 97% 95%

Capacity

Percentage index of the discharge at 25℃ at 10A (=1,950mAh) is 100%.

7.10 Cycle life

With standard charge and maximum continuous discharge.

Capacity after 250cycles,

Capacity ≥ 1,200mAh (60% of the nominal capacity at 25℃)

7.11 Storage characteristics

Standard rated discharge capacity after storage for 1 month at 60℃ from the standard

charged state is ≥ 90% of the initial 10A discharge capacity at 25℃

7.12 Status of the cell as of ex-factory

The cell should be shipped in 50 ± 5% charged state. In this case, OCV is from 3.60V

to 3.80V.

8. Mechanical Characteristics

8.1 Drop test

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, Voltage decrease≦0.025V, AC IR increase ≦1.0mΩ

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

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

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 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 15months 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 (3 months or more), It is strongly recommended

that the cell is preserved at dry and low-temperature.

11.2 Others

Any matters that specifications do not have, should be conferred with between the

both parties.

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

12. Packaging

See Fig.2, Package Drawing

Fig 2. Package Drawing

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

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 optimal 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 specified voltage does not cause any loss of performance

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.

- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

3.2.2 Otherwise, it may cause loss of performance 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.

3.3.2 Over-discharging may cause loss of performance characteristics of battery.

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.

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 performance 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 performance characteristics.

5. Cycle life

- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

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 the pack

in order to minimize shock, which can damage the cells.

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.

6.6.2 Cell voltage monitoring system.

The system (charger or pack) should be equipped with a device to monitor each

voltage of cell block to avoid cell imbalance which can cause damage to the cells.

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.

- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

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.

8.2.2 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.

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

- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

▣ Pack Design Guideline (For electrical design)

ItemPortable ITPower-ToolMedicalE-BikeE-ScooterEV/LEVESS/UPS

4.20V4.20V4.10V4.10V4.10V4.10V

4.35V4.35V4.20V4.20V4.20V4.20V

CC-CVCC-CVCC-CVCC-CVCC-CVCC-CVCC-CV

0.05C0.05C0.025C0.025C0.025C0.025C

4.10V4.10V4.05V4.05V4.05V4.05V

4.25V4.25V4.10V4.10V4.10V4.10V

3.00V2.50V3.00V3.00V3.00V3.00V3.00V

2.50V2.00V2.50V2.50V2.50V2.50V2.50V

2.50V2.50V2.50V2.50V2.50V2.50V2.50V

2.30V2.00V2.50V2.50V2.50V2.50V2.50V

2.00V2.00V2.00V2.00V2.00V2.00V2.00V

10㎂/Cell10㎂/Cell10㎂/Cell10㎂/Cell10㎂/Cell10㎂/Cell10㎂/Cell

↓ 1.00V↓ 1.00V↓ 1.00V↓ 1.00V↓ 1.00V↓ 1.00V↓ 1.00V

4.00V

(4.05V)

4.00V

(4.05V)

0.025C

(Continous)

4.00V

(4.05V)

4.00V

(4.05V)

□ Standard charging voltage (4.20V cell)

□ Standard charging voltage (4.35V cell)

□ Charging method

□ Full-charging cut-off current*

□ Voltage of Re-charging (4.20V cell)

□ Voltage of Re-charging (4.35V cell)

□ Min. voltage of

LCO

terminate discharging

LMO

□ Min. voltage of

over-discharging protection

□ Min. voltage of

NCA

terminate discharging

NCM

□ Min. voltage of

over-discharging protection

□ BMS Shut Down Voltage**

□ Max. consumption current of BMS

after shut down

□ Do not charge***

□ Pre-charging voltage range****

□ Current range of Pre-charging

Remark:

1.0V ~ 3.0V1.0V ~ 3.0V1.0V ~ 3.0V1.0V ~ 3.0V1.0V ~ 3.0V1.0V ~ 3.0V1.0V ~ 3.0V

0.1C ~ 0.5C0.1C ~ 0.5C0.1C ~ 0.5C0.1C ~ 0.5C0.1C ~ 0.5C0.1C ~ 0.5C0.1C ~ 0.5C

* Current of cell which full-charging shall be terminated.

** Voltage condition of BMS which shall be shut down.

*** Under 1.0V voltage, do not charge the cell.

**** Voltage range of cell which shall be charged by Pre-charging.

If a customer’s battery pack cannot meet the requirements above,

SDI cannot take responsibility for a quality issue about a battery cell.

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

▣ Pack Design Guideline (For mechanical design)

Item

Portable ITPower-ToolMedicalE-BikeE-ScooterEV/LEVESS/UPS

□ Need partitions(separator) between

BMS and a Cell

□ Need to check if the pack is designed

to be able to avoid thermal runaway

(1KWh↑)

□ Need to analyze the battery pack's

thermal distribution and its effect

on the pack's life cycle

□ Need to use a non-flammable

(VO level) case

□ Need to apply improved material

(Steel) to the case

□ Need to analyze the battery pack's

structure, system, installation status

and use environment

◎◎◎◎◎◎◎

◎◎◎

◎◎◎

◎◎◎◎◎◎◎

◎◎

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

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 20℃ 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 dedicated charger.

Use or charge the battery only in the dedicated 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 / seawater.

■ 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.

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

Don't step on the battery and throw or drop the battery on the hard floor to avoid mechanical hock.

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.

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.

Charge temperature ranges : 0℃ ~ 45℃

Discharge Temperature ranges : -20℃ ~ 60℃

Store the battery at temperature below 60℃

Cover terminals with proper insulating tape before disposal.

[ Caution! ]

■ Electrical misusage

Battery must be charge 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 4.2V.

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 discharging must be over 2.5V.

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

■ 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.

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 be contacted 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.

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- SAMSUNG SDI Confidential Proprietary -

Model INR18650-20RM Version No. 2.0

Design of the Battery Pack

Be sure adopting proper safe device such as PTC 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.

just in case one protective device is fault.

Please contact following offices when you need any help including safety concerns.

Be sure designing 2nd protective devices such as PTC & PCM at the same time to protect Cell

Samsung SDI emergency contact information

■ Samsung SDI Headquarter.

150-20, Gongse-ro, Giheung-gu, Yongin-si, Gyunggi-do, Korea

Tel: +82-31-8006-3100, Fax : +82-31-210-7887

■ Samsung SDI Cheonan Factory.

467, Beonyeong-ro, Seobuk-gu, Cheonan-si, Chungcheongnam-Do, Korea

Tel: +82-41-560-3114, Fax : +82-41-550-3399

■ Samsung SDI America Subsidiary

3655 North First St. San Jose CA 95134

Tel: +1-408-544-4541, Fax : +1-949-260-2221

■ Samsung SDI Taiwan Branch

9F-1,399 Ruey Kuang Road, Neihu, Taipei, Taiwan

Tel: +886-2-2656-8300, Fax : +886-2-2656-8329

■ Samsung SDI Malaysia factory.

Lot 635 & 660, Kawasan Perindustrian, Tuanku Jaafar, 71450

Sungai Gadut, Negeri Sembilan Darul Khusus, Malaysia

Tel: (+60)6-677-6160, 6153

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