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LIR2032 Specification


Lithium-ion Rechargeable Cell Battery Model No.: LIR2032

Specs Approval

Name of Customer :

Name of Supplier:

TELONG ENERGY TECHNOLOGY.,CO LTD.
Building B,Anjia Industrial Zone, HuanGuan South Road, GuanLan Town, ShenZhen City, GuangDong Province, China TEL:+86-755-29052355 FAX:+86-755-27981742 E-mail:telongbattery@sztlg.com http://www.sztlg.com

1. Applicable Scope
This specs approval is applied only for the lithium-ion rechargeable cell battery produced by Telong.

2. Type of Products
? Type : Lithium-ion rechargeable cell battery ? Model : LIR2032

3

General Features
Long Cycle Life
Under normal usage, the cycle life of the battery can be ≥500 circles while with capacity ≥ 80%

High Power Density
High power density makes the battery light in weight and small in dimension. It can be used in small devices.

Safe and Reliable
No floating metal lithium assures a safer usage.

High working voltage
Working voltage is up to 3.6V, approx. 3 times of the voltage of NI-MH or NI-CD, which reduces the quantity of the battery needed in certain application.

No memory effect
No memory effect assures a constant maximum application.

Low self-discharge rate : ≤7%/month Good Consistency Good consistency is showed in battery capacity, internal resistance, discharge platform and capacity retention. A strict complete internal quality control is subject to the ISO9000 system in the company’s production.

4.Spec Chart
Item Model Nominal Voltage(v) Nominal Capacity(mAh) Resistance(mΩ) Dimension Diameter(mm) Height(mm) Weight(g) Standard features LIR2032 3.60 40±2 ≤600 20.0-0.2 3.2+0.2 2.8 20.0mm-0.2 3.2mm+0.2

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Internal resistance test standard: CC charge 0.5mA / voltage up to 4.25V; Then CV charge. Terminate charging when the charging current value is less than 0.05CmA. Rest for 60 minutes, then test the battery by 1000Hz internal resistance tester.

5.

Battery Characteristics
Temperature:20℃±1 Relative Humidity:≤75%±5 Atmosphere pressure:1atm

5.1 Test Conditions

5.2 Discharge Characteristics
The test should be conducted under the condition below: In a temperature of 20±5℃, CC charge 0.5CmA / voltage up to 4.25V; Then CV charge. Terminate charging when the charging current value is less than 0.05CmA. Rest for no more than 60 minutes, Discharge CC at 0.5CmA to 2.75V.

5.3 Charge Characteristics
The battery can be charged by one of the following methods: Standard Charge : Temperature 20±1℃, CC charge at 0.5CmA to 4.25V; turn to CV charge; Terminate charging when the charging current value is less than 0.05CmA. Fast Charge: Temperature 20±5℃, CC charge at 1.0CmA to 4.25V; turn to CV charge; Terminate charging when the charging current value is less than 0.05CmA. For charging/discharging characteristics at various currents see fig 1 or 2. For discharging characteristics at various temperatures see fig 3 or 4. For Storage characteristics see fig 4. For cycle life characteristics see fig 5.

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Fig.1 Charging Characteristics at various currents

不同电流条件下的充电特性曲线
Charging Characteristics at Various Current
4.5 Charge voltage 4.2 4.0 Charge voltage (V) Charge capacity 3.5 40
Charge: CC/CV, 4.2V, 20° C 30 8mA 40mA

3.0

Charge current 2.5 20

2.0 0 1.0 2.0 2.5 3.0 4.0 5.0 6.0 7.0 7.5 Charge time (hours)

0

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Charge capacity (mAh)

Fig. 2

Discharge Characteristics at various currents

不同电流条件下的放电特性曲线
Discharging Characteristics at Various Currents
4.5

4.0 Battery voltage (V)

0.5CmA 0.2CmA

3.5

1.0CmA

3.0 2.75

Charge: CC/CV, 20° C,4.2V, 40mA x 2.5hrs.
2.5 0 20 40 60 80 100 120 Discharge Capacity (%)

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Fig. 3

Discharging Characteristics at various Temperatures

不同温度条件下的放电特性曲线
Discharging Characteristics at Various Temp.
4.5

Charge: CC/CV, 20° C,4.2V, 40mA x 2.5hrs. Discharge: Constant current 8mA
4.0 Battery voltage (V)

60° C 20° C

3.5

-10° C 0° C
3.0 2.75 2.5 0 20 40 60 80 100 120 Discharge Capacity (%)

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Fig. 4

Storage Characteristics

不 温 条 下 自 电 线 同 度 件 的 放 曲
Storage Characteristics
100 90

20°C
80

60°C
Capacity Retention (%) 70 60 50 40 30 20 10 0 0 1

40°C

Capacity retention: (residual capacity after storage/ intial discharge capacity) x 100%
2 3

Storage Period (m onths)

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Fig. 5

Cycle Life Chart

循环寿命特性曲线
Cycle Life
100

80 Discharge Capacity (%)

60

40

Charge: CC/CV, 20° C,4.2V, 40mA x 2.5hrs. Discharge: 20mA, End Voltage=2.75V Temp: 20° C

20

0 0 100 200 300 400 500 Number of Cycles

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6.

Important Notes
? Keep away from source of fire and/or heat. ? Do not disassemble battery and/or battery pack. Do not connect the positive and negative pole directly using conductive metal; avoid short circuit. ? Do not put the battery into water or damp it. ? Do not cut the battery. ? Do not strike or needle the battery. ? Charge the battery using specified chargers. ? Do not solder the battery directly. ? Observe the correct polarity (+/-) ? Do not use the battery in un-specified application. ? Do not mix the battery in usage with other types of battery. ? Read the instruction manual carefully before use.

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