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
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 |