LIR1254

LIR1254
Model:LIR1254
Brand:LIDEA
Origin:Made In China
Category:Electronics & Electricity / Battery, Storage Battery & Charger
Label:LIR1254
Price: ¥8 / pc
Min. Order:1000 pc

Product Description


1.   Preface:  
The purpose of this product specification is to provide technical information for the rechargeable Lithium-ion button battery L I R 1 2 54 , man u factured and supplied by Shenzhen  Lidea  Battery Co., Ltd.
 
2.   Description and Model
 

 2.1 Description

Rechargeable Lithium-ion button battery

 2.2 Model

L I R 1 2 54

 
3.   Specification

 

 3.1 Capacity

45 ± 5 mAh

 3.2 Charging Voltage

4.20V

 3.3 Nominal Voltage

3.7 V at 0.2C mA

  3.4 Standard Charging Method

Constant current: 9 mA Constant voltage 4.20V

 3.5 Cut-off Discharge Voltage

2.75 V

 3.6 Max.Discharge Current

45 mA

 3.7 Max.Charge Current

45 mA

 3.8 Cycle Life

>500 cycles at 0.2C mA discharge

 3.9 Ambient Temperature

 

   for Standard Charge

0 ℃ ~45 ℃

   for Discharge

-20 ℃ ~60 ℃

 3.10 Storage

 

     for within the temperature

-20 ℃ ~60 ℃

   for within the humidity

≤ 75%

 3.11 Energy Density

 

Wh/L

 

    Wh/Kg

 

 3.12 Weight of Bare Cell

~1.7 g

 3.13 Charge State Internal Impedance

≤ 1 0 00m Ω  

 
4.   Appearance
Appearance shall be free from any remarkable scratch,flaws, rust, discoloration or electrolyte leakage   (visible or by smell) .
 
5. Standard Test condition
    5.1   Environment Conditions: Unless otherwise specified,all test stated in this Product Specification are conducted within the temperature 15~25℃ and the humidity 45~85%RH.
    5.2   Test Equipment:
Impedance meter: The impedance meter with AC 1kHz should be used .  

6. Test Procedure and Its Standard
 

 Item

 Measuring Procedure

 Standard

6.1 Appearance

Visual

No Defect and Leak

6.2 Dimension

Caliper

As item 8

6.3 Weight

Scale

As item 3.12

6.4 Maximum Charge Current

CCCV(Constant Current Constant Voltage)

45 mA

6 .5 Full charge

CC / CV

Charge it with 0.2CmA constant current till 4.2V(Max), then charge it with constant voltage 4.2V until the charging current drops to 0.01C.

6.6 Open Circuit Voltage

Within 1hr after full charge,measure
Open circuit voltage

>4.15V

6.7 Internal Impedance

Measure the battery with 1kHz AC

≤ 1 0 00m Ω  

6.8 Discharge Capacity

Within 1hr after full charge,discharge until final discharge,at 0.2C mA and measure the capacity

> 45 mAh

6.9 Maximum Discharge Current

Until final discharge voltage

45   mA

6.10 Charge/Discharge Cycle Life

Discharge:0.2CmA   to   3.00V,This charge/discharge shall be repeated 500 times Charge:CCCV,CC- 0.2CmA,CV- 4.2V until the CC is below 0.01CmA.

Discharge capacity should be >70% of item 6.8

6.11 Leakage Proof

After full charging,the battery shall be stored at 40±2 ℃  and humidity 80 ± 5%   for 21 days .

No leakage should be
observed by visual
inspection

6.12 Temperature Characteristics

After full charge at 20±5 ℃ ,   stand at -20±2 ℃  for 18h rs ,   then discharge at 0.2C mA and measure the capacity .
After full charge at 20±5 ℃ ,   stand at 55±2 ℃  for 2hrs , then discharge at 1C mA and measure the capacity .  

Discharge capacity should be>60% of item 6.8 and no abnormality on its appearance and st r ucture .

6.13 Charge Reten t ion

After full charging,   stand at 20±5 ℃  d ischarge capacity for 28 days,   measure the discharge should be>85% of item capacity according to item 6.8 .

7.   Dimension(Bare cell ) mm
LIR1254 1LIR1254 2LIR1254 3LIR1254 4

Member Information

DONGGUAN LIDEA ELECTRONICS.,LTD
Country/Region:Guang Dong - China
Business Nature:Manufacturer
Phone:13922841937
Contact:JASON WU (manager)
Last Online:02 Aug, 2024