Panasonic Lithium Ion Hanbook
Contents
1. in safety equipment is activated preventing the battery from charging further and heating the battery can destroy the safety equipment and can cause additional heating breaking or ignition of the battery 2 Do not continue charging the battery if it does not recharge within the specified charging time Doing so may cause the battery to become hot explode or ignite Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE4 SEPTEMBER 1999 SAFETY PRECAUTIONS FOR THE LITHIUM ION BATTERY PACK CONTINUED N CAUTION The temperature range over which the battery can be charged is 0 C to 45 C Charging the battery at temperatures outside of this range may cause the battery to become hot or to break Charging the battery outside of this temperature range may also harm the performance of the battery or reduce the battery s life expectancy When Discharging the Battery N WARNING Do not discharge the battery using any device except for the specified device When the battery is used in devices aside from the specified device it may damage the performance of the battery or reduce its life expectancy and if the device causes an abnormal current to flow it may cause the battery to become hot explode or ignite and cause serious injury N CAUTION The temperature range over which the battery can be discharged is 10 C to 60 C Use of the battery outside of this temperature range may damage the performance of the battery or may reduce its life e2. 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C eo o O o 20 C RECOVERY co e Voltage Storage Conditions Fully charged Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant current 240 mA up to 3 0V at 20 C Current Capacity Recovery Ratio O o 2 0 3 0 4 0 3 4 Discharge Capacity Wh Period Month Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Voltage g Capacity Capacity mAh Current mA Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant current 1200 mA up to 3 0V at 20 C Charge Di i i Number of Cycles Cycles Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 18 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650H CGR18650H Cylindrical Model Discharge Characteristics 5 0 Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant current up to 3 0 V at 20 C External Dimensions mm 2 18 3 0 5 lt lt lt gt 800 1000 Capacity mAh 980 mA max 2 hours 20 C Discharge Conditions Constant current 280 mA 64 7 0 3 With Tube 200 400 600 800 1000 1200 1400 1600 1800 Capacity mAh Specifications Nominal Voltage
3. 3 0V at 20 C es e Current Capacity Recovery Ratio 96 C1 o 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 i 3 4 Discharge Capacity WH Charge Conditions Constant voltage constant current 4 2 V 4 75 550 mA max 2 hours 20 C Period Month Storage Conditions 20 C for 6 months from fully charged Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 156 mA up to 3 0V at 20 C ana m o p vid es OU UM After Storage First Time Capacity Retention NN After Storage Second Time Capacity Recovery 0 200 400 600 800 Capacity mAh Capacity mAh Current mA Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 780 mA up to 3 0V at 20 C Charge Discharge Rest Period 20 min 200 300 Number of Cycles Cycles Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 16 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR17670HC CGR17670HC Cylindrical Model Discharge Characteristics 5 0 Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant current up to 3 0V at 20 C External Dimensions mm 2 17 046 800 1000 1200 1400 Capacity mAh With Tube 800 1000 1200 Capacity mAh Specifications Nominal Voltage Sta
4. 3 0V at 20 C 100 200 300 400 500 60 Length of Storage Months Capacity mAh 0 Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 22 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP345010 CGP345010 Prismatic Model Discharge Characteristics Charge Conditions Constant voltage constant current 4 2 V 945 mA max 2 hours 20 C External Dimensions mm 2 34 0 0 3 10 3 0 3 600 800 1000 1200 1400 1600 Capacity mAh Charging Conditions Constant voltage constant current 4 2 V 945 mA max 2 hours 20 C Discharge Conditions Constant current 1350 mA up to 3 0V at 20 C Ecl n RN 49 8 0 5 LELREGRMISC 600 800 1000 1200 1400 1600 Capacity mAh Tube Specifications Nominal Voltage Standard Capacity 1400mAh 34 aoe 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 945 mA max 2 hours 20 C the average of the capacity ending Current voltage of 3 V at 20 C that is discharged at a stan dard current 270 mA 2 Dimensions of a fresh battery Discharge Capacity Wh g n 4 2 V 945 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C arge Conditions 4 2 V 945 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Current 5 Discharge Capacity Wh Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 23 SEPTEMBER 1999 LI
5. Standard Capacity 1500mAh 18 3 0 5mm Dimentions Height 64 7 0 3mm Weight Approx 40g Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant current 1400 mA 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 980 mA max 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 280 mA 2 Dimensions of a fresh battery Capacity mAh arge Conditions 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Discharge Voltage V Current Discharge Capacity Wh Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 19 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR18650H Discharge Characteristics Storage Characteristics ge Condit g 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C 20 C RETENTION O Oc O O O Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant current 280 mA up to 3 0V at 20 C Current e Capacity Retention Ratio 96 N co A OF O O O 3 4 5 3 4 Discharge Capacity Wh Period Month e e arge Conditions 4 2 V 980 mA max 2 hours 20 C Discharge Conditions C
6. We recommend that batteries be charged about once per year to prevent overdischarge 5 Use of the Batteries oee the section on Safety Precautions for the Lithium lon Battery Pack 6 Other The Chemical Reaction Because batteries utilize a chemical reaction they are actually considered a chemical product As such battery performance will deteriorate over time even if stored for a long period of time without being used In addition if the various usage conditions such as charge discharge ambient temperature etc are not maintained within the specified ranges the life expectancy of the battery may be shortened or the device in which the battery is used may be damaged by electrolyte leakage If the batteries cannot maintain a charge for long periods of time even when they are charged correctly this may indicate it is time to change the battery 7 Please Note The performance and life expectancy of batteries depends heavily on how the batteries are used In order to insure safety be sure to consult with Panasonic in advance regarding battery charging and discharging specifications and equipment structures when designing equipment that includes these batteries Please Note Panasonic assumes no liability for problems that occur when the Notes and Precautions for use listed above are not followed Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE3 SEPTEMBER 1999 SAFETY PRECAUTIONS FOR THE LITHIUM ION BATTERY PACK e Safety Wa
7. especially in situations where the user may forget to turn the equipment off Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE2 SEPTEMBER 1999 NOTES AND PRECAUTIONS CONTINUED 3 Equipment Design 1 Installing Battery Packs in the Equipment To avoid damage to the battery pack make sure that the battery pack is positioned away from heat sources in the equipment or in the battery charger 2 Mechanisms to Prevent Dropping Be sure to use a battery pack lock mechanism to prevent the battery pack from being ejected when the equipment is dropped or receives a sudden impact 3 Preventing Short Circuits and Reversed Connections Use a terminal structure that makes it unlikely that the terminals will be shorted by metallic necklaces clips hairpins etc Structure the battery and the terminals to the battery in such a way that the battery pack cannot be put in backwards when installed in the charger or the equipment 4 Inclusion in Other Equipment If the battery is built into other equipment use caution to strictly avoid designing airtight battery compart ments 5 Terminal Materials in the External Equipment Use materials that are highly resistant to corrosion such as nickel or nickel coated copper If contact resistance is an issue we recommend that you use contact plating such as gold plating on the terminals 4 Storing the Batteries The batteries should be stored at room temperature charged to about 30 to 5096 of capacity
8. for overcharging overdischarging and overcurrent for a single cell battery pack Please contact Panasonic when two or more cells are connected or when actually using this or other circuits Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE9 SEPTEMBER 1999 OVERCHARGE OVERDISCHARGE OVERCURRENT SAFETY CIRCUITS CONTINUED e Battery Pack Block Diagram Reference Example The diagram below shows a diagram of a lithium ion battery pack The battery pack includes the batteries the safety circuits and thermistors 1 The Safety Circuits 1 1 The Controller IC The controller IC measures the voltage for each cell or for each parallel battery block and shuts off a control switch to either prevent overcharging if the voltage exceeds the specified voltage range or to prevent overdischarging if the voltage falls below the specified voltage range Moreover the voltage of the control switch is measured on both ends and in order to prevent overcurrent both control switches are shut off if the voltage exceeds specifications 1 2 The Control Switches The control switches usually comprise FET structures and they turn off the charge or discharge depending on the output of the controller IC 1 3 The Temperature Fuse Reference Materials If the control switches experience abnormal heating this fuse cuts off the current non restoring 2 he Thermistors The thermistors are included in order to accurately measure the battery temperature within
9. the capacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 156 mA 2 Dimensions of a fresh battery Capacity mAh arge Conditions g 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Current 1 5 2 0 29 3 0 Discharge Capacity Wh Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 15 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR17500 Discharge Characteristics Storage Characteristics ge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C eo o O o 20 C RETENTION O nN O O O O O Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 156 mA up to 3 0V at 20 C Current e Capacity Retention Ratio 96 IN eS Bo O o 1 0 1 5 2 0 2 5 3 0 i 3 4 Discharge Capacity WH Period Month arge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C 20 C RECOVERY Voltage O eo A eo Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 156 mA up to
10. the contents of the user s manual to the children The caregiver should provide adequate supervision to insure that the device is being used as explained in the user s manual 2 When the battery is worn out insulate the terminals with adhesive tape or similar materials before disposal 3 Immediately discontinue use of the battery if while using charging or storing the battery the battery emits an unusual smell feels hot changes color changes shape or appears abnormal in any other way Contact your sales location or Panasonic if any of these problems are observed 4 Do not place the batteries in microwave ovens high pressure containers or on induction cookware 5 In the event that the battery leaks and the fluid gets into one s eye do not rub the eye Rinse well with water and immediately seek medical care If left untreated the battery fluid could cause damage to the eye 2 While Charging N WARNING 1 Be sure to follow the rules listed below while charging the battery Failure to do so may cause the battery to become hot explode or ignite and cause serious injury e When charging the battery either use a specified battery charger or otherwise insure that the battery charging conditions specified by Panasonic are met e Do not attach the batteries to a power supply plug or directly to a car s cigarette lighter e Do not place the batteries in or near fire or into direct sunlight When the battery becomes hot the built
11. the lithium ion battery packs The battery or charger measures the resistance value of the thermistor between the T terminal and the negative terminal and during the charging process controls the charge current along with controlling until the charge is terminated Battery Pack oafety Circuits Controller IC Temperature Fuse Control SW Control SW e The battery pack must be equipped with a noise filter at the voltage detectors in the block diagram above to insure that outside noise does not cause the battery to malfunction Please check against the final product e Please include a total charge timer and a charge completion timer on the charging circuit in order to provide redundant safety control Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 10 SEPTEMBER 1999 HOW TO CHARGE THE BATTERIES We recommend the following charging process to insure the optimal performance of the lithium ion battery e Applicable Battery Packs The discussion below assumes that the battery packs are equipped with internal safety circuits to prevent overcharging and overdischarging and assumes that the battery is a single cell battery e Charging Method The lithium ion battery can be charged by the constant voltage constant current charging method found in the Notes and Precautions at the beginning of this document See page 2 Notes and Precautions e Functions and Performance Required in the Charger Recommendations 1
12. Charge Voltage The voltage between the charging terminals should be no more than 4 20 V Set this at 4 20 V max after taking into account fluctuations in power supply voltages temperature deviations etc The charge voltage varies according to model number For example please charge CGP30486 at 4 10 volt 2 Charge Current The reference charge current should be 0 7 CmA 3 Ambient Temperature of the Battery Pack During Charge 0 C to 45 C Consult Panasonic if the battery pack is to be used outside of this temperature range 4 Low Voltage Battery Pack Charge When the voltage per cell is 2 9 V or less charge using a charge current of 0 1 CmA or less 5 Termination of Charging The system will determine that the battery is full by detecting the charge current Stop charging once the current has reached 0 1 CmA to 0 07 CmA Note that there will be some degree of variation for each individual battery 6 Charge Timer A total charge timer and a charge completion timer should be included 7 Countermeasures for Battery Problems Select an overvoltage guard in the power supply so that there will be no excessive voltage applied to the battery even if there is a problem with the power supply e The discussion above assumes a single cell battery If two or more cells will be used or if there are other situations please consult with Panasonic Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 11 SEPTEMBER 1999 FLOWCHART FOR CHARGING THE LIT
13. HIUM ION BATTERY PACKS Lithium lon Battery Pack Charge Flowchart Example Reference example of charging a single cell lithium ion battery pack OCV Battery pack load open voltage START Dr P T Charge total timer count Low temperature threshold setting value Battery pack insertion check Battery temperature High temperature threshold setting value Constant voltage YES i Charge current A i Electrical current set value i Electrical current set value Charge total timer count T Charge complete timer count Recharge timer count Total timer end decision s the battery pack inserted 4 YES Battery temperature check A tmin tbat tmax NO Wait Is voltage check 1 no load higher than the charge completion voltage 4 1Vor4 2V Voltage check 2 no load 0 7 CmA charge 0 1 CmA charge CV mode post transition Enter into CVn 292 current check ichg lt iset1 ES NO Charge complete l Charge complete timer Re charge timer end decision Charge stop current check Overdischarge check OCV voltage gt 3V YES Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 12 SEPTEMBER 1999 GLOSSARY OF TERMINOLOGY FOR LITHIUM ION BATTERIES Words Relating to the Characteristics of Batteries Energy Density The amount of energy that can be produced per unit mass or per unit volume Energy density is expressed in units of Wh kg Wh 1 etc O
14. Lithium lon Batteries Table of Contents Notes and uizeiiirm 2 Safety Precautions for the Lithium lon Battery Pack 4 Overview of Lithium lon Batteries 6 Features of Lithium lon Batteries 8 Overcharge Overdischarge Overcurrent Safety Circuits 9 How to Charge the Batteries seu 11 e Flowchart for Charging the Lithium lon Battery Packs Glossary of Terminology for Lithium lon Batteries 13 Specification Summary Table sss 14 Individual Data Sheets ecce 15 Battery Pack Specification Checklist 26 Charger Specification Checklist 27 LITHIUM ION BATTERIES HANDBOOK PAGE1 SEPTEMBER 1999 NOTES AND PRECAUTIONS e Safety Precautions for the Lithium lon Battery Pack Use of Lithium lon Batteries and the Design of Equipment That Uses These Batteries In general lithium ion batteries are used in battery packs that contain both lithium ion batteries and battery protection circuits Both items are sealed in a container made of a material such as resin so that the battery pack cannot be easily disassembled 1 Charging the Batteries The constant voltage c
15. Panasonic Batteries Lithium lon Batteries Technical Handbook 99 International English Version FT f PC J T i a PDF File Technical Handbook Copyright 1999 Matsushita Battery Industrial Co Ltd All rights Reserved No part of this technical handbook pdf file may be changed altered reproduced in any form or by any means without the prior written permission of Matsushita Battery Industrial Co Ltd NOTICE TO READERS It is the responsibility of each user to ensure that each battery application system is adequately designed safe and compatible with all conditions encountered during use and in conformance with existing standards and requirements Any circuits contained herein are illustrative only and each user must ensure that each circuit is safe and otherwise completely appropriate for the desired application This literature contains information concerning cells and batteries manufactured by Matsushita Battery Industrial Co Ltd This information is generally descriptive only and is not intended to make or imply any representation guarantee or warranty with respect to any cells and batteries Cell and battery designs are subject to modification without notice All descriptions and warranties are solely as contained in formal offers to sell or quotations made by Matsushita Battery Industrial Co Ltd Panasonic Sales Companies and Panasonic Agencies LITHIUM ION BATTERIES TABLE OF CONTENTS Panasonic
16. RIES HANDBOOK PAGE 13 SEPTEMBER 1999 SPECIFICATION SUMMARY TABLE Specifications Typical Nominal Diameter Thickness Approx Sape roce ETE ee iage V man Width mm Felght mm mm Weight 9 D 830 i129 495205 25 Cylindrical CGR17670HC 209 67203 35 amp CGR18650H 4 1500 183 505 647403 40 CGP30486 Prismatic DCGP34506_ 4 2V Charge 4 1V Charge Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 14 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR17500 CGR17500 Cylindrical Model Discharge Characteristics 550 mA max 2 hours 20 C 45 Discharge Conditions Constant current up to 3 0V at 20 C 156mA External Dimensions mm 2 A Ln SSS EN EN i201 e BART D P Capacity mAh 49 5 0 5 Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C Discharge Conditions Constant current 156 mA With Tube Capacity mAh Specifications Nominal Voltage Standard Capacity 830mAh 17 05 mm Height 49 5 0 5mm Weight Approx 25g Dimentions 2 Charge Conditions Constant voltage constant current 4 2 V 550 mA max 2 hours 20 C 1 After a fresh battery has been charged at con Discharge Conditions Constant current 780mA stant voltage constant current 4 2 V 550 mA max 2 hours 20 C the average of
17. THIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP345010 Discharge Characteristics Cycle Life Characteristics ging 4 2 V 945 y mak 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Voltage Capacity mAh Current Charge Conditions Constant voltage constant current 4 2 V 945 mA max 2 hours 20 C 3 4 5 200 300 Discharge Capacity Wh Number of Cycles Cycles Charge Conditions Constant voltage constant current 4 2 V 945 mA max 2 hours 20 C Capacity mAh Current mA Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 24 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP34506 CGP34506 Prismatic Model Discharge Characteristics Charge Conditions Constant voltage constant current 4 2 V 600 mA max 2 hours 20 C 4 5 Discharge Conditions Constant current at 20 C External Dimensions mm 2 33 8 0 3 bo 0 3 L 1000 Capacity mAh Charge Conditions Constant voltage constant current 4 2 V 600 mA max 2 hours 20 C Discharge Conditions Constant current 850 mA 49 5 0 5 With Tube 1000 1200 Specifications Pinn ransa 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 600 mA max 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 170 mA 2 Dimensions of a fresh battery Charge C
18. apacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 120 mA 2 Dimensions of a fresh battery Capacity mAh 300 400 Charge Conditions Constant voltage constant current 4 1 V 420 mA max 2 hours 20 C Capacity mAh Current mA Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE21 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP30486 Cycle Life Characteristics Storage Characteristics Capacity mAh Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 1 V 420 mA max 2 hours 20 C Discharge Conditions Constant current 120 mA up to 100 420 mA max 2 hours 20 C Discharge Conditions Constant current 600 mA up to 3 0V at 20 C Capacity Recovery Ratio 96 e Discharge Rest Period 20 min 3 0V at 20 C 200 300 Number of Cycles Cycles Length of Storage Months Storage Conditions 20 C for 4 months from fully charged Charge Conditions Constant voltage constant current 4 1 V 420 mA max 2 hours 20 C Discharge Conditions Constant current 120 mA up to 3 0V at 20 C S O Before Storage m 7 m _ a E E iln M ue xr 2 Charging Conditions Constant voltage constant current After Storage First Time Capacity Retention 0 700 80 4 1 V 420 mA max 2 hours 20 C Discharge Conditions Constant current 120 mA up to After Storage Second Time Capacity Recovery
19. d case 2 Soft pack 3 Other Battery Pack Materials Specify Battery amp Structure Used 17500 17670HC 18650H 30486 345010 34506 _ Px X S Rated Capacity mAh Charging Method 1 Fast 2 Standard 3 Other Charge Current A Charge Time hours Discharge Ending Voltage V Thermistor 1 Standard Present Absent Standard 10 KW 25 C 2 Other Drop Strength 1 Present cm 2 Absent Flame Retardance Requirements 1 Present 2 Absent Dimensions width x length x height mm or less sua g or less Label Terminal Configuration Fuel Gauge Specifications Range of load currents Load current waveform Accuracy Display method Mode change Communications data Charge function LITHIUM ION BATTERIES HANDBOOK PAGE 26 1 Not required 2 Required Details of label specified elsewhere mA to 1 Waveheight 3 Stopperiod 1 10 2 5 3 Other 1 LED 2 Communications 3 LED and communications communications method 1 1 5 1 mA mA 2 Conductive period mSec mSec Not required 2 Required Modes suspend etc 1 2 Remainder 2 Voltage 3 Current 4 Temperature ID code 6 Other 1 Not required 2 Required SEPTEMBER 1999 CHARGER SPECIFICATION CHECKLIST Charger Specification Checklist Fill in the blanks below to determine specifications when making inquiries or when ordering 1 General 1 Start of Deliv
20. ery 2 Delivery Destination 3 Operating Temperature 4 Ambient Humidity Applicable Specifications Applicable Recipient Application SD LIED On N Basic Specifications ak x Charging Method Charge Current Charge Time Charger Model Display LED Power Supply Voltage Drop strength Dimensions Weight Label a SOONDOSWN Panasonic Special Conditions for Use Battery Pack Compatibility Month Year _ Number of units per month Total volume units 1 Domestic 2 Overseas Name of country Standard where standard is 0 C to 45 C Custom C to C Standard where standard is 45 to 85 non condensing Custom to No 2 Yes 1 Automotive 2 Outdoors 3 Other Electrical Appliance and Material Control Law 2 UL 3 Other Customer 2 Panasonic 3 Other Portable telephone 2 AV equipment Personal computer 4 Other Nom as nla GQ uW TNM 17500 17670HC 18650H 30486 345010 384506 __ Px J S FG 1 Present 2 Absent 1 Fast 2 Standard 3 Other A Contact Panasonic regarding charging conditions hours Pocket Type 1 Unit 2 Units Other No of Units ___V ____Hz RangeofFluctuation Vto V Hzto X Hz cm width x length x height mm or less g or less 1 Not required 2 Required Details of label LITHIUM ION BATTERIES HANDBOOK PAGE 27 SEPTEMBER 1999 MEMO Panasonic L
21. ety of measures to insure safety along with an anti explosion valve that releases gas if the internal pressure exceeds a specific value thereby preventing the battery from explodeing Negative Terminal Lead ANN p D Positive Electrode heehee te heh Se ee he he Ha ume cium cum da i i 4 d r il NE a J Ul p f j 4 Insulation Plate IG AN e Safety Panasonic s lithium ion batteries CGR17500 CGR17670HC CGR18650H CGP30486 CGP345010 and CGP34506 have obtained UL1642 approval Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 6 SEPTEMBER 1999 OVERVIEW THE LITHIUM ION BATTERIES CONTINUED e Battery Reaction The lithium ion battery makes use of lithium cobalt oxide which has superior cycling properties at high volt ages as the positive electrode and a highly crystallized specialty carbon as the negative electrode It uses an organic solvent optimized for the specialty carbon as the electrolytic fluid The chemical reactions for charge and discharge are as shown below Charge LiCoO2 __ Lit x CoO2 xLi xe Discharge Positive Electrode Charge Negative Electrode C xLi xe i CLix Discharge Charge Battery as a Whole LiCoO2 C a Lii x CoO2 CLix Discharge The principle behind the chemical reaction in the lithium ion battery is one where the lithium in the positive electrode lithium cobalt oxide material is ionized during cha
22. ithium Ion Battery Handbook Page 28 May 1999
23. ndard Capacity 1250mAh 17 05 mm Dimentions Height 66 7 0 3mm Weight Approx 35g Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C ge Conditions Constant current 1200 mA 1 After a fresh battery has been charged at con stant voltage constant current 4 2 V 840 mA max 2 hours 20 C the average of the capacity ending voltage of 3 V at 20 C that is discharged at a stan dard current 240 mA 2 Dimensions of a fresh battery Capacity mAh arge Conditions 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C Current 2 0 3 0 4 0 Discharge Capacity Wh Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 17 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGR17670HC Discharge Characteristics Storage Characteristics ge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant wattage up to 3 0 V at 20 C eo o O o 20 C RETENTION O nN O O O O o Storage Conditions Fully charged Charge Conditions Constant voltage constant current 4 2 V 840 mA max 2 hours 20 C Discharge Conditions Constant current 240 mA up to 3 0V at 20 C Current e Capacity Retention Ratio 96 N ES Bo O o 2 0 3 0 4 0 3 4 Discharge Capacity Wh Period Month arge Conditions Constant voltage constant current 4
24. onditions Constant voltage constant current 4 2 V 600 mA max 2 hours 20 C Current mA Capacity mAh Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 25 SEPTEMBER 1999 BATTERY PACK SPECIFICATION CHECKLIST DHA N Ko c c ED CJ OS UI e CO Iu OBRONI e 1 2 Panasonic Battery Pack Specification Checklist Fill in the blanks below to determine specifications when making inquiries or when ordering batteries Battery Pack General Schedule 1 Completion of design evaluation Month Year 2 Completion of mass production evaluation Month Year 3 Start of delivery Month Year Number of units k packs per month Total volume k packs Delivery Destination 1 Domestic 2 Overseas Name of country Operating Temperature 1 Standard where the standard is 0 C to 45 C 2 Custom Cto C Ambient Humidity 1 Standard where standard is 45 to 85 non condensing 2 Custom to Special Conditions for Use 1 No 2 Yes 1 Automotive 2 Outdoors 3 Other Applicable Specifications 1 Electrical Appliance and Material Control Law 2 UL 3 Other Applicable Recipient 1 Customer 2 Panasonic 3 Other Application 1 Portable telephone 2 AV equipment 3 Personal computer 4 Other FG Fuel Gauge 1 Required 2 Not required if required fill in item 3 Battery Pack Basic Specifications Battery Pack Configuration 1 Har
25. onstant current method is used to charge lithium ion batteries See Figure below Schematic diagram of the charging process assuming a single cell Constant voltage constant current Oooo Doo Eo ee D c 1 l om a iit a ie ey LL ST or o Duration MEN P votage Voltage ee t E 1 Charge Voltage The maximum voltage is 4 2 V x the number of cells connected in series 2 Charge Current We recommend 0 7 CmA When the voltage per cell is 2 9V or less charge using a charge current of 0 1CmA or less Contact Panasonic for information regarding pulse charging 3 Charge Temperature The batteries should be charged at temperatures between 0 C and 45 C 4 Reverse polarity Charging Verify the polarity of the batteries before charging to insure that they are never charged with the polarity reversed 2 Discharging the Batteries 1 Discharge Current The current should be maintained at 1 0 CmA or less Consult Panasonic if you plan to discharge the batteries with a current in excess of 1 0 CmA 2 Discharge Temperature The batteries should be discharged at a temperature between 10 C and 60 C Consult Panasonic if you plan to discharge the batteries at temperatures less than 10 C 3 Discharge Termination Voltage Avoid discharging at voltages less than 3 0 V per cell Overdischarge can damage the performance of the battery Equip the unit with a mechanism to prevent overdischarge
26. onstant wattage up to 3 0 V at 20 C 20 C RECOVERY Voltage Storage Conditions Fully charged 20 C Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant current 280 mA up to 3 0V at 20 C Capacity Recovery Ratio 96 Current 3 4 5 3 4 Discharge Capacity Wh Period Month lt gt O Q O Current mA Charge Conditions Constant voltage constant current 4 2 V 980 mA max 2 hours 20 C Discharge Conditions Constant current 1400 mA up to 3 0V at Capacity mAh Number of Cycles Cycles Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 20 SEPTEMBER 1999 LITHIUM ION BATTERIES INDIVIDUAL DATA SHEETS CGP30486 CGP30486 Prismatic Model Discharge Characteristics External Dimensions mm 2 29 8 0 3 300 400 Capacity mAh Charge Conditions Constant voltage constant current 4 1 V 420 mA 2 hours 20 C Discharge Conditions Constant current 120 mA 47 5 0 5 With Tube 400 Capacity mAh Specifications Nominal Voltage 3 7V Standard Capacity 630mAh arging Conditions a 420 mA max 2 hours 20 C Discharge Conditions Constant current 600mA Width 29 8 0 3mm mentions Height 475 0 5mm ADAE BE SIUE Weight Approx 23g 1 After a fresh battery has been charged at con stant voltage constant current 4 1 V 420 mA max 2 hours 20 C the average of the c
27. rge and moves from layer to layer in the negative electrode During discharge the ions move to the positive electrode and return to the original compound Schematic Diagram of the Chemical Reaction of the Lithium lon Battery Positive Electrode Negative Electrode Discharge Specialty Carbon Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE7 SEPTEMBER 1999 FEATURES OF THE LITHIUM ION BATTERIES e High Energy Density Because the lithium ion batteries are high voltage light weight batteries they boast a higher energy density than rechargeable nickel cadmium Ni Cd batteries or nickel metal hydride Ni MH batteries Lithium lon Batteries Mass Energy Density Wh kg 150 200 250 300 350 Volumetric Energy Density Wh 1 e High Voltage Lithium ion batteries produce 3 7 volts approximately three times the voltage of rechargeable Ni Cd batteries or Ni MH batteries This will make it possible to v Necd 0 Ni cd Q Nica d make smaller lighter equipment Con Q e No Memory Effect Lithium ion batteries have none of the memory effects seen in rechargeable Ni Cd batteries E S o memory effect refers to the phenomenon li E where the apparent discharge capacity of a GT op battery is reduced when it is repetitively discharged incompletely and then recharged oom tei lil 5 5 Charge Constant voltage 4 1 V with a Discharge 133 mA at 20 C maximum of 500 mA current for two hours at 20 C Di
28. rnings 1 When Using the Battery N WARNING 1 Misusing the battery may cause the battery to get hot explode or ignite and cause serious injury Be sure to follow the safety rules listed below e Do not place the battery in fire or heat the battery e Do not install the battery backwards so that the polarity is reversed e Do not connect the positive terminal and the negative terminal of the battery to each other with any metal object Such as wire Do not carry or store the batteries together with necklaces hairpins or other metal objects Do not pierce the battery with nails strike the battery with a hammer step on the battery or otherwise subject it to strong impacts or shocks e Do not solder directly onto the battery e Do not expose the battery to water or salt water or allow the battery to get wet 2 Do not disassemble or modify the battery The battery contains safety and protection devices which if damaged may cause the battery to generate heat explode or ignite 3 Do not place the battery on or near fires stoves or other high temperature locations Do not place the battery in direct sunshine or use or store the battery inside cars in hot weather Doing so may cause the battery to generate heat explode or ignite Using the battery in this manner may also result in a loss of performance and a shortened life expectancy N CAUTION 1 If the device is to be used by small children the caregiver should explain
29. s the specified current during charge this is the integral of the current value over the charging time The units are ampere hours Ah High Current This refers to a discharge that has a large electrical current relative to the capacity of Discharge the battery This is also known as high rate discharge Standard Capacity The standard value for the amount of electricity that can be used from a completely charged battery at the standard temperature with a standard discharge current to the ending voltage The units are ampere hours Ah Fresh Battery A fresh battery refers to a battery that has been charged and discharged five or less times within one month of manufacturing Capacity This is the electrical ability of the battery Normally this refers to ampere hours of capacity and the units are either Ah or C coulombs Capacity Retention If the standard capacity is indexed to 100 this is the capacity ratio when the battery Ratio is first discharged under specified conditions after it has been stored for a specified period of time Capacity Recovery If the standard capacity is indexed to 100 this is the maximum capacity ratio that Ratio can be obtained after repetitively charging and discharging the battery under specified conditions after it has been stored a specific period of time Fluid Leakage This refers to the leakage of electrolytic fluid to the outer surface of the battery Panasonic LITHIUM ION BATTE
30. scharge 133 mA completed after two hours at 20 C Hold Time h e Flat Discharge Voltage The use of the specialty carbon creates an extremely flat discharge voltage profile allowing the production of stable power throughout the discharge period of the battery Battery CGR18650 Discharge 250 mA a ins Specialty o eoe C Panasonic s Tal Product s 000 150 Pickens ee mAh 0 Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE 8 SEPTEMBER 1999 OVERCHARGE OVERDISCHARGE OVERCURRENT SAFETY CIRCUITS e The Functions of the Safety Circuits Typical Functions The voltages listed below are typical values and are not guaranteed The charge voltage varies according to model number 1 The Overcharge Safety Function The charge stops when the voltage per cell rises above 4 30 0 05 V The charge restarts when the voltage per cell falls below 4 00 0 15 V 2 The Overdischarge Safety Function The discharge stops when the voltage per cell falls below 2 3 0 1 V The discharge restarts when the voltage per cell rises above 3 0 0 15 V 3 The Overcurrent Safety Function The discharge is stopped when the output terminals are shorted The discharge restarts when the short is removed e Reference Example of the Safety Circuits Battery Pack Unusable Region Charge Batteries Region Used by the Set Discharge Overdischarge Region Unusable Region e The safety circuits in the diagram above are
31. vercharge Continued charging after the battery has reached a fully charged state Generally charging more than necessary is unsafe and will have a harmful influence on the performance of the battery Overdischarge Discharge of the battery below the established ending voltage Nominal Voltage The voltage that is used as the battery voltage listed on the battery Cycle Life An attribute that indicates the time it takes per charge and discharge cycle when the Characteristics battery is repetitively charged and discharged under specified parameters Time Ratio C This metric is used to indicate the magnitude of the electrical current during charge or discharge It is indicated in terms of a multiple of a value that indicates the capacity of the battery and the value is expressed in units of electrical current Generally the electrical current for charge or discharge is expressed in terms of a multiplier of C For example if the capacity is 1500 mAh we have the following 0 1 C 0 1 x 1500 mA 150 mA 0 2 C 0 2 x 1500 mA 300 mA Self Discharge The amount to which the capacity of the battery is reduced without there being any current discharged through an external circuit Ending Voltage The voltage that indicates the limit at which to stop the electrical discharge This voltage roughly corresponds to the limit for use in practical applications Amount of Charge This is the amount of electricity that is used in charging the battery When there i
32. xpectancy To insure the safe use of this battery contact Panasonic when designing a device that uses this battery Panasonic LITHIUM ION BATTERIES HANDBOOK PAGE5 SEPTEMBER 1999 OVERVIEW OF LITHIUM ION BATTERIES Meeting the Needs of Portable Electronic Devices Lithium lon Batteries a sa F on E x L m 1 t J E a T Ez e Overview Panasonic lithium ion batteries products of Panasonic s long experience with batteries and leading edge battery technology are excellent sources for high energy power in a variety of portable devices such as por table computers and cellular phones Light weight and boasting high voltage ratings 3 7 V these high energy density batteries provide a variety of features that will contribute to the weight reduction and downsizing of portable products e Structure The lithium ion battery has a three layer coiled The Structure of Lithium lon Batteries Cylindrical structure within its case These three layers are comprised of a positive electrode plate made with lithium cobalt oxide as its chief active ingredient Bi Paaie aa EGI a negative electrode plate made with a specialty E E ALN ADESSO carbon as its chief active ingredient and a Gasket a4 x M Positive Terminal Lead separator layer ye Separators Insulation Plate MZ Negative Electrode Uscmcm cm ACHSCHRON CSCERCUR URS Um WA Uo WE c A s cw cac a cR TUN LLL The battery is equipped with a vari
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