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| www..com LIR2032 1. Preface The purpose of this product specification is to provide technical information for the rechargeable Lithium-ion button battery LIR2032, supplied by Guangzhou Markyn battery Co., Ltd. 2. Description and Model 2.1 Description 2.2 Model 3. Specification 3.1 Rated Capacity 3.2 Charging Voltage 3.3 Nominal Voltage 3.4 Constant 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 4.Appearance Rechargeable Lithium-ion button battery LIR2032 35mAh 4.20V 3.7V at 0.2C mA Constant voltage 4.20V Constant current:17mA 3.00V 35mA 35mA >500 cycles at 1C mA discharge 0ae ~ 45ae -20ae ~ 60ae -20ae ~ 60ae U 75% ~200 ~90 2.6g <550m| 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 15~25ae and the humidity 45~85%RH. LIR2032 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 Full 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 35mA CC-0.2CmA CV- 4.2V total 5hrs >4.15V <550m| Within 1hr after full charge,discharge until final discharge,at 0.2C mA and measure the capacity ~35mAh Until final discharge voltage 35 mA Charge:CCCV,CC- 0.5CmA,CV- 4.2V for 5hr Discharge capacity Discharge:0.5CmA to 3.00V,This charge/discharge shall be repeated 500 times After full charging,the battery shall be stored at 402ae and humidity 80A 5%for 21 days 1)After full charge at 205ae ,stand at -202ae for 18h,then discharge at 0.2C mA and measure the capacity 2)After full charge at 205ae ,stand at 552ae for 2hrs ,then discharge at 1C mA and measure the capacity After full charging,stand at 205ae for 28 days,measure the discharge capacity according to item 7.8 should be >70% of item 6.8 No leakage should be observed by visual inspection Discharge capacity should be>60% of item 6.8 and no abnormality on its appearance and stucture Discharge capacity should be>85% of item 6.8 6.11 Leakage Proof 6.12 Temperature Characteristics 6.13 Charge Retension LIR2032 7.1 Charge/Discharge Characteristics Charge:CC/CV 4.2V, 7mA(0.2C)*8hrs Discharge:17mA(0.5C) Cut-off at 3.00V Temperature:25 7.3 Temperature Characteristics Charge: CC/CV 4.2V 0.2CA*8hrs Discharge:0.5CA,Cut-off at 3.00V 7.2 Charge/Discharge Cycle Life Charge:CC/CV 4.2V 0.5CA*5hrs Discharge:0.5CA,Cut-off at 3.00V Temperature:25 8. Dimension(Bare cell) mm GM Battery Co., Ltd www.gmbattery.com |
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