LIR2450

PowerStream Li-ion Button Cell Lir2450 Data Sheet 1. Preface 2. Description and Model 2.1 Description 2.2 Model 3. Specification 3.1 Capacity Nominal Typical 3.2 Charging Voltage 3.3 Nominal Voltage 3.4 Standard Charging Method 3.5 Cut-off Discharge Voltage 3.6 Max.Discharge Current 3.7 Max.Charge Current 3.8 Cycle Life 3.9 Ambient Temperature for Standard Charge for Discharge 3.10 Storage for within the temperature for within the humidity 3.11 Energy Density Wh/L Wh/Kg 3.12 Weight of Bare Cell 3.13 Charge State Internal Impedance ~200 ~90 ~5.5g 500 cycles at 0.2C mA discharge Rechargeable Lithium-ion button battery LiR2450 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 C and the humidity 45~85%RH. http://www.powerstream.com/licoin.htm PowerStream Li-ion Button Cell Lir2450 Data Sheet 5.2 Test Equipment (1) Impedance meter The impedance meter with AC 1kHz should be used 6.Test Procedure and Its Standard Item Measureing Procedure 6.1 Appearance Visual 6.2 Dimension Caliper 6.3 Weight Scale 6.4 Maximum Charge Current CCCV(Constant Current Constant Voltage) 6.5 F ull charge CCCV 6.6 Open Circuit Voltage 6.7 Internal Impedance 6.8 Discharge Capacity 6.9 Maximum Discharge Current 6.10 Charge/Discharge Cycle Life Within 1hr after full charge,measure Open circuit voltage Measure the battery with 1kHz AC Standard No Defect and Leak As item 8 As item 3.12 100mA CC-0.2CmA CV- 4.2V total 8h >4.15V 100mAh Until final discharge voltage 200 mA Charge:CCCV,CC- 0.2CmA,CV- 4.2V total 8h Discharge capacity Discharge:0.2CmA to 3.00V,This charge/discharge shall be repeated 500 should be >70% times of item 6.8 After full charging,the battery shall No leakage should be be stored at 40±2 degrees C, humidity observed by visual 80.5 %for 21 days inspection 1)After full charge at 20±5C ,stand at -20±2C for 18h,then discharge Discharge capacity at 0.2C mA and measure the capacity should be>60% of item 2)After full charge at 20±5 C ,stand at 6.8 and no abnormality 55±2C for 2hrs ,then discharge on its appearance and at 1C mA and measure the capacity stucture After full charging,stand at 20±5C Discharge capacity for 28 days,measure the discharge should be>85% of item capacity according to item 6.8 6.8 6.11 Leakage Proof 6.12 Temperature Characteristics 6.13 Charge Retention http://www.powerstream.com/licoin.htm PowerStream Li-ion Button Cell Lir2450 Data Sheet 7.1 Charge/Discharge Characteristics Charge:CC/CV 4.2V, 50mA(0.5C), total 5h Current 1mA Discharge:50mA(0.5C) Cut-off at 3.00V Temperature:25 C 7.3 Temperature Characteristics Charge: CC/CV 4.2V 0.5CA,total 5h Discharge:0.5CA,Cut-off at 3.00V 4.3 3.9 3.5 3.1 2.9 0.5 0.5 0.5 0.5 C = 0.5 7.2 Charge/Discharge Cycle Life Charge:CC/CV 4.2V 0.2CA, total 8h Discharge:0.2CA,Cut-off at 3.00V Temperature:25 C 8. Dimension(Bare cell) mm http://www.powerstream.com/licoin.htm