High Durability Twicell
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8. E oleh LINCE EAL Bie BRAKE
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10. FDK CORPORATION ioreon International Department Battery Sales Division Terasaki No 2 Bldg 1 8 29 Nishimiyahara Yodogawa ku Osaka shi Osaka 532 0004 Japan Tel 81 6 7662 5650 Fax 81 6 7662 5651 FDK AMERICA INC Corporate Office 250 E Caribbean Drive MS 200 Sunnyvale CA 94089 U S A Tel 1 408 215 6500 Fax 1 408 215 6501 FDK AMERICA INC Dallas Office 2801 Telecom Parkway MS C1R Richardson Texas 75082 U S A Tel 1 972 231 2531 Fax 1 972 479 3093 FDK ELECTRONICS GMBH Corporate Office Heerdter Lohweg 89 40549 Dusseldorf Germany Tel 49 211 537464 0 Fax 49 211 593549 FDK ELECTRONICS GMBH Munich Office Einsteinring 24 85609 Aschheim Munich Germany Tel 4989 3306680 0 Fax 4989 3306680 50 FDK SINGAPORE PTE LTD 4 Leng Kee Road 04 08 SiS Bldg Singapore 159088 Singapore Tel 65 6472 2328 Fax 65 6472 5761 FDK HONG KONG LTD Suite 1607 08A 16 F Tower3 China Hong Kong City 33 Canton Road Tsim Sha Tsui Kowloon Hong Kong Tel 852 2799 9773 Fax 852 2755 4635 FDK KOREA LTD
11. High Capacity Twicell Label design for reference only High Capacity Twicell WiFeatures High energy density High capacity Twicell achieves a higher energy density by using exclusively developed materials and construction High capacity Twicell can allow for an extended run time in various applications Rapid charging capability When using a specifically designed charger Twicell batteries may be charged in as little as 1 1 hours A charge control module is also available Requires special charge control circuit Wide ranging line up FDK high capacity batteries are available in a variety of options and are ideal for compact applications Applications Audio equipment 2 way radios other communication devices and notebook computers Bik
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13. e 0 40C 0 40C 0C 0C
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15. WFeatures Superior high rate discharge characteristics FDK s original electrode manufacturing process coupled with specialized current collectors minimize internal impedance which in turn enables high rate discharging and guarantees a stable discharge voltage Improved reliability over wide range operating temperatures Twicell is able to achieve minimal variation in performance over a wide temperature range Powerful range FDK offers a wide range of high rate discharge cells allowing for adaptation into numerous applications HW Applications Power tools cordless cleaners electric motor applications etc Bik Po BLL ce WL ATL p
16. 2 0 1It 16 0 2lt 3 4 High Durability Twicell HZ Label design for reference only High Durability Twicell AURET Features BR Superior service life High durability Twicell achieves a superior service life for continuous low rate charging and charge discharge cycles when compared with our high capacity type High durability Twicell offers better performance for cordless phones back up power devices etc Powerful range A wide range of high durability Twicell has been developed to suit a variety of applications Our recently developed T series is C the latest of our solutions and offers higher dur
17. 1 1 1 me Ee P SACL Pur Characteristics HR AAU HR AAU Charge Characteristics Discharge Temperature Characteristics 0 ipe 120 1 6 3 Alt 0 5lt OH a ao w Cell voltage V F ho Discharge capacity O Charge 0 1It 16h at 20 C 20 Rest 3 Discharge 1It E V 1 0V re at 20 C ao 20 40 60 80 100 120 140 160 0 10 20 30 40 Charge input Ambient temperature C Discharge Characteristics Charge Discharge Cycle Characteristics 1 5 120 Charge 0 1Itx16h 1 4 Discharge 0 2 1 3lt 100 Co
18. Cell voltage V Discharge capacity Q 40 Charge 1It AV 10mV H Rest 1h Discharge 1It E V 1 0V 20 est 1h ry 08 at 20 C 0 at 20 C a0 20 40 60 80 100 120 0 100 200 300 400 500 Discharge capacity Number of cycles MRatings lt High Capacity Twicell i itv Mini i Quick Charge Dimensions mm incl tube Weight Model No eie ea conn umo apas AETA ar ca AM ere Current mA Time hr Diameter D Height H approx g v mAh 1 mAh 2 mA h D H g 4 HR AAAU 1 2 730 650 730 1 1 10 5 44 5 13 HR 5 4AAAU lez 850 760 850 ed 10 5 50 0 iS HR AAUE 1 2 1400 1250 1400 11 14 5 50 0 25 HR AAU Lz 1650 1500 1650 Wet 14 2 50 0 28 HR 4 5AU 1 2 2150 1950 2150 1 1 17 0 43 0 35 HR AU 1 2 2700 2450 2700 ile 17 0 50 0 40 HR 4 3AU 1 2 4000 3600 3000 1 4 17 0 67 5 55 HR 4 3FAU ke 4500 4100 3000 1 6 18 0 67 5 62 1 Typical capacity when a single cell is discharged at 0 2It after being charged at 0 1It for 16 hours 2 Minimum capacity when a single cell is discharged at 0 2It after being charged at 0 1It for 16 hours 3 Consult FDK according to conditions of use 4 Including tube 1 0 1It 16 0 2It
19. ELLS BA TUS Super lattice Hydrogen Absorbing Alloy Technological Advance x 1 High capacity 1 ABs 1096 2 Superior discharging 2 3 High operating Voltage 3 The Super lattice Alloy was First Applied ABg AB i ABs type ABs small absorption stable AB type AB2 Conventional Alloy Super lattice Alloy pea ce large absorption High capacity 120 unstable 9 High recovery capacity after deep discharge Z 0 are earths A 3 XER a Magnesium Rare earths J Low self discharge High operating voltage 100 High durability Conventional Alloy Super lattice Alloy WFeatures of Twicell Batteries Excellent high rate discharge performance and over charge over discharge capability FDK s original electrode manufacturing process coupled with spec
20. 700 1 1 10 5 44 5 13 HR 4 5AAUC 1 2 1100 1000 1100 lel 14 2 43 0 23 HR AAUC QW 1 2 1200 1100 1200 1 1 14 2 50 0 22 HR 4 5AUC eZ 1700 1550 1700 1 1 170 43 0 35 HR 4 3FAUHPC 1 2 2700 2500 2700 1 1 18 1 5 67 0 5 58 HR 4 3FAUPC 12 3200 3050 3200 isl 181 67 0 59 HR 4 3FAUC 1 2 3700 3300 3000 1 4 18 0 67 5 62 HR DUC 1 2 ap 7300 6500 5000 iY 1 Typical capacity when a single cell is discharged at 0 2It after being charged at 0 1It for 16 hours 2 Minimum capacity when a single cell is discharged at 0 2It after being charged at 0 1It for 16 hours 3 Consult FDK according to conditions of use 4 Including tube 34 0 S93 5 With paper tube Other cells are with heat shrink tube 1 0 1It 16 0 2lt 2 0 1It 16 0 2It 3 4 5 High Rate Discharge Twicell Label design for reference only High Rate Discharge Twicell
21. 11F Gwanghwamun Kyobo Bldg Jongro 1ga Jongro Ku Seoul 110 774 Korea Tel 82 2 582 8452 Fax 82 2 582 8453 FDK TAIWAN LTD 8F 4 No 57 Sec 1 Chongqing S Rd Zhongzheng Dist Taipei City 100 Taiwan R O C Tel 886 2 2311 5161 Fax 886 2 2311 5123 FDK THAILAND CO LTD 23rd Floor Exchange Tower 388 Sukhumvit Road Kwaeng Klongtoey Khet Klongtoey Bangkok 10110 Thailand Tel 66 2 302 1517 Fax 66 2 302 1733 D K http www fdk co jp 105 8677 5 36 11 TEL 03 3434 2238 FAX 03 3434 2857 532 0004 1 8 29 2 TEL 06 7662 5650 FAX 06 7662 5651 VEGETABLE VOC GLINK 14 01 8000
22. AV 10mv H 5 Bit It 2 Rest oie A Discharge 1It E V 1 0V a Rest 1h at 20 C a at 20 C 0 20 40 60 80 100 120 0 100 200 300 400 500 Discharge capacity MRatings lt High Durability Twicell Number of cycles lt T series T Voltage V Model No Typical Capacity mAh 1 Minimum Capacity mAh 2 Quick Charge 3 Dimensions mm incl tube mm 4 Weight Current mA Time hr mA h Diameter D Height H D H approx g g 4 HR AAAUT 1 2 500 460 500 1 1 10 5 44 5 12 HR AAULT 12 1000 950 1000 ils 14 2 49 0 25 HR 4 5FAUPT 1 2 1650 1500 1650 1 1 18 1 43 2 5 39 HR 5 4SCUT 12 lt High Durability Twicell gt KIT BIL Model No viege V 3250 3000 C series C Typical Capacity mAh Minimum Capacity mah 2 3250 det Quick Charge 3 23 0 50 0 Dimensions mm incl tube mm 4 67 Weight Current mA Time hr mA h Diameter D Height H D H approx g g 4 HR AAAUC 1 2 700 650
23. HS Characteristics HR 3UTG HR 3UTG Self Discharge Characteristics 110 100 20 C S 80 2 o A 40 C g 60 O 40 3 20 H Charge 1It AV 10mv at 20 C Storage Temp 20 C 40 C Discharge 0 37It E V 1 0v at 20 C 0 I I I 0 60 120 180 240 300 360 Storage Term Days Discharge Temperature Characteristics 1 5 I I I Charge 1It AV 10mv at 20 C 1 4 Rest 3 Discharge 1It E V 1 0V ke gt O 10 0 8 0 20 40 60 80 100 120 Discharge Capacity MRatings Dry Cell Compatible Twicell Model No mo Voltage V Typical Capacity mAh Minimum Capacity mAh 2 Charge Temperature Characteristics 0 1 8 20 C 40 C Cell Voltage V Charge 1It AV 10mV I I 0 20 40 60 Charge Input 80 100 Discharge Characteristics 12
24. 0 2It 31 Twicell Batteries Handling Precautions Carefully read this instruction manual before using Twicell batteries for the first time Important For your safety and that of your customers observe all cautionary information provided in this manual Save this manual for future reference The following information is intended to highlight potential safety hazards that can be associated with the misuse misapplication or damage to Twicell batteries Please carefully evaluate the information in this section when using Twicell batteries single cell or packed cells or when using or manufacturing equipment incorporating Twicell batteries This manual is no substitute for your independent evaluation of equipment incorporating Twicell batter ies Customers incorporating Twicell batteries into their equipment must assure that their completed product has been properly designed manufactured and tested End users of equipment incorporating Twicell batteries should also be provided with sufficient warnings and instructions on their safe opera tion As appropriate some or all of the following warnings and information should be incorporated by you into the instruction manual accompanying your equipment A DANGER Failure to carefully observe the following proce dures and precautions can result in leakage of bat tery fluid electrolyte heat generation bursting fire and serious personal injury Ne
25. 0 15 Charge Discharge 0 2 1 2lt I 11t AV 10mV Cell Voltage V 0 8 at 20 C 0 20 40 60 80 Discharge Capacity 100 Quick Charge 3 Dimensions mm incl sleeve mm 4 Current mA Time hr mA h Diameter D Height H D HH 120 Weight approx g g HR 4UTG 1 2 800 750 800 1 1 10 5 44 5 13 HR 4UQ 5 2 600 550 600 1 OS 44 5 11 HR 4U 1 2 1000 930 1000 1 1 10 5 44 5 13 HR 3UTG 12 2000 1900 2000 Tel 14 35 50 4 2r HR 3UQ 12 1000 950 1000 1 1 14 2 50 4 19 2500 EZ 2300 2500 14 35 50 4 30 HR 3U 2700 2500 del 2700 14 5 50 4 1 Typical capacity when a single cell is discharged at 0 2It after being charged at 0 1It for 16 hours 2 Minimum capacity when a single cell is discharged at 0 2It after being charged at 0 1It for 16 hours 3 Consult FDK according to conditions of use 3 4 4 Including sleeve 1 0 1It 16 0 2It 5 5 Low self discharge model 2 0 1It 16
26. FDK P Ni MH BATTERY PRODUCTS GUIDE FDK Ni MH BATTERY PRODUCTS GUIDE FDK s line up of TWICELL batteries offer an exceptional solution to your energy needs and may be used in a wide variety of applications to enhance performance while extending runtime WAL RREHAN SOUROS TYP Y JAR AERAR EUC ROR RAEC ERLE High Capacity Twicell High Durability Twicell ARA For communication equipment notebook computers etc For cordless phones shavers back up power supplies etc 0 High Rate Discharge Twicell Dry Cell Compatible Twicell For power tools electric vehicles other electric motor applications etc For digital cameras audio equipment other household use etc Label design for reference only High Capacity Twicell EE High Durability Twicell aes High Rate Discharge Twicell Dry Cell Compatible Twicell
27. Ta Characteristics HR 4 3FAUP HR 4 3FAUP Charge Characteristics Discharge Temperature Characteristics I7 120 09 SS 1lt 18 0 5lt 80 G 60 Ail 14 8 60 g 13 E 40 2 Charge 1It AV 10mV at 20 C 12 E 2 Rest 3h H at 20 C Discharge 5A E V 0 8V io 20 40 60 80 100 120 140 160 9 6 0 10 20 30 40 Charge input Ambient temperature C Discharge Characteristics Charge Discharge Cycle Characteristics 15 i i 120 Charge 1It AV 10mV 1 4 Discharge 5 10 20 30 40A F SS 5A 2 80 g 12 A S 20A 8 60 gt o so 40 Charge 1It AV 10mV O 1 0 40A s Rest 15min 2 Discharge 5A E V 0 8V 20 Rest 15min at 20 C P at 20 C 025 20 40 60 80 100 120 0 700 200 300 400 500 Discharge capacity Number of cycles MRatings High Rate Discharge Twicell gt Voltage Typical Capacity Minimum Capacity Bae D aa coe a Current mA Time hr Diameter D Height H approx g V mA
28. ability than our standard C series for applications such as emergency lighting etc T W Applications HAR T series Emergency lighting back up power applications etc T C series Cordless phones shavers C back up power applications etc BENNY IP y Var Ta Characteristics HR AAUC HR AAUC Charge Characteristics Discharge Temperature Characteristics i 120 1 6 ttt g 100 215 2 80 0 1lt g S14 60 amp 8 13 40 A Charge 0 1Itx16h at 20 C 2 20 Rest 3h H Discharge 1It E V 1 0V T at 20 C a 0 20 40 60 80 100 120 140 160 0 10 20 30 40 Charge input Ambient temperature C Discharge Characteristics Charge Discharge Cycle Characteristics OFMBU 41 TIDE 15 120 Charge 0 1Itx16h 1 4 Discharge 0 2 1 3It H 100 z 2 80 o 3 bn Q 8 amp 60 o 2 0 2lt 8 40 Charge 1It
29. atible Twicell is well suited for equipment that requires high capacity performance such as digital cameras Long cycle life economical solution Twicell can reduce the amount of wasted generated in comparison to dry cells powering the identical application by reducing the need to replace after every use Powerful range A wide range of products including our industry leading low self discharge high voltage offer consumers the ultimate solution E Applications For digital cameras PDA audio equipment remote control clock etc X Please consult your local FDK agent regarding applications z 3 Nes 4 TIdOIAAL White label design for industrial use only DELER IEA BAe
30. e the board If direct attachment is necessary please consult with FDK representatives
31. h mAh mA h D H g 4 HR 4 5FAUP 1 2 1950 1800 1950 1 1 18 1 5 43 2 5 39 HR 4 3FAUP 2 an acai qe 164 a2 4000 3750 4000 HR SCUP 1 2 2600 2400 2600 1 1 23 0 43 5 HR SCU 1 2 3000 2700 3000 el 23 0 43 5 HR DU 1 2 10000 9300 5000 2 2 34 0 59 3 Model No 670 1 Typical capacity when a single cell is discharged at 0 2It after being charged at 0 1It for 16 hours 2 Minimum capacity when a single cell is discharged at 0 2It after being charged at 0 1It for 16 hours 3 Consult FDK according to conditions of use 4 Including tube 5 With paper tube Other cells are with heat shrink tube 1 0 1It 16 0 2lt 2 0 1It 16 0 2It 3 4 5 Dry Cell Compatible Twicell PEGANI Ged Light green label design for reference only Convenient Twicell WFeatures Dry cell compatible form factor Dry cell compatible Twicell can be used in most equipment using dry cells World leading capacity in retail use rechargeable batteries Dry cell comp
32. ialized current collectors minimize internal impedance which in turn enables high rate discharging and guarantees a stable discharge voltage Wide range line up and interchangeability with standard dry cells Customized assemblies are also available for a variety of applications and can be adjusted to accommodate specific space requirements Long cycle life and Economical Dry cell compatible Twicell With discharge capacity virtually equal to that of conventional dry cells FDK Twicell batteries offer the additional benefits of minimal internal resistance as well as outstanding discharge characteristics under high rate discharge conditions FDK Twicell batteries also have an excellent storage characteristics Even after long periods of storage Twicell guarantees superior rates of recovery capacity by extended charge discharge cycles
33. less al kaline solution electrolyte If the skin or clothing comes in contact with fluid from Twicell battery thoroughly wash the area immediately with clean water from the tap or another source Battery fluid can irritate the skin When the operating time of a Twicell battery be comes much shorter than its initial operating time even after recharged it should be replaced to a new battery as its battery life has ended A CAUTION Do not strike or drop Twicell batteries Sharp im pacts or concussions to Twicell batteries may cause leakage of battery fluid heat generation bursting and fire Store Twicell batteries out of the reach of babies and small children When charging or using a bat tery do not let babies or small children remove the battery from the charger or the equipment being used Children should not use Twicell batteries unless they have been carefully instructed on the contents of this instruction manual and their parents or guardians have confirmed that the children under stand and appreciate the proper usage and safety hazards presented by the batteries Be sure to charge Twicell batteries within a tem perature range of 0 to 40 C degrees Celsius When used at temperatures outside this range 0 to 40 C the batteries may cause leakage of battery fluid or heat generation It could also impair perfor mance or shorten service life of Twicell batteries Do not charge Twicell battery when it has bee
34. n cooled to 0 C or below Doing so may cause leak age of battery fluid impair performance or shorten operating life of Twicell batteries Do not use or store battery at high temperature such as in strong direct sunlight in cars during hot weather or directly in front of a heater This may cause leakage of battery fluid It could also impair performance and shorten operating life of Twicell batteries Do not use old and new batteries mixed together or batteries at different charge levels Do not use the Twicell battery mixed together with a dry cell or other battery of different capacity type or brand name This may cause leakage of battery fluid and heat generation When more than two batteries are to be used to gether charge them simultaneously prior to use If they are not charged at the same time it could cause leakage of battery fluid and heat generation Do not connect Twicell batteries in parallel as this may cause leakage of battery fluid heat gen eration bursting and fire For the recommended charging method for Twicell batteries read the battery charger s instruc tion manual carefully If Twicell batteries do not perform or function well with certain equipment refer to the instruction manual or warnings of the subject equipment Do not charge Twicell batteries beyond the rec ommended time described in the instruction manu al for charger or equipment Over charging cause leakage of battery fluid heat ge
35. nd heat generation Keep Twicell batteries or the equipment out of the reach of babies and small children in order to avoid them swallowing batteries In the event the batteries are swallowed consult a doctor immedi ately Do not charge or use Twicell batteries with the and terminals reversed Charging batteries with the terminals reversed may discharge rather than charge the batteries or it may cause abnormal chemical reaction in the batteries Using batteries with the terminals reversed may discharge with of abnormal current leakage of battery fluid heat generation bursting and fire Do not over charge Twicell batteries by exceed ing the predetermined charging period specified by the battery charger s instructions or indicator If Twicell batteries are not fully charged after the bat tery charger s predetermined charging period has elapsed stop the charging process Prolonged charging may cause leakage of battery fluid heat generation bursting Be sure to handle recharged batteries carefully as they may be hot Do not remove the outer tube from a battery or damage it Doing so will expose the battery to the risk of a short circuit and may cause leakage of battery fluid heat generation bursting and fire lf Twicell batteries leak fluid change color change shape or change in any other way do not use them otherwise they may cause heat genera tion bursting and fire Twicell batteries contain the strong color
36. neration bursting and fire It could also impair performance and shorten service life of Twicell batteries After long term storage there is a possibility that the battery could not be fully charged In order to fully charge it charge and discharge the battery for a few times Be sure to turn off the equipment after use of Twicell batteries as this may result in leakage of battery fluid After they have been removed from equipment store Twicell batteries in a dry place and within the recommended storage temperature range This will help preserve the batteries performance and durability and to minimize the possibility of leakage of battery fluid or corrosion For the indicated stor age temperature range refer to the rating table of this catalog FDK recommends a temperature range from 20 to 30 C for longer service life Before using the Twicell be sure to read the op eration manual and all precautions carefully then store the manual and precautions carefully to use as reference when the need arises If you have specific questions about the operation manual or the precautions contact FDK at the location listed on the last page of this manual lf corrosion heat generation or other abnormali ties with new Twicell batteries are detected Imme diately stop using them and return them to the store that they were purchased from lf the Twicell battery terminals become dirty clean them with a soft dry cloth prior to use Dir
37. prevent danger are built into batteries single cell or packed cells If these are damaged excessive current flow may cause loss of control during charging or discharging of the bat tery leakage of battery fluid heat generation bursting and fire Never solder lead wires directly on to Twicell bat teries The heat of the soldering operation may melt the insulation damage the gas release vents or pro tective devices cause leakage of battery fluid heat generation bursting and fire The positive and negative terminals of Twicell batteries are predetermined Do not force the terminal connection to a charger or equipment If the terminals can not be easily connected to the charger or equipment check if the and termi nals are correctly positioned If the terminals are reversed during charging the battery may be dis charged rather than charged Furthermore re versed connections may cause abnormal chemical reaction in the battery the flow of abnormal cur rents leakage of battery fluid heat generation bursting and fire The gas release vent which releases internal gas is located in the positive terminal of the Twicell battery For this reason never deform this section or cover or obstruct its gas release structure If this section is deformed or covered or obstructed the gas release vent will not function properly pos sibly causing leakage of battery fluid heat genera tion bursting and fire Do no
38. t on the terminals can result in poor contact with the equipment loss of power or inability to charge Types and Applications of Twicell Batteries Application Type High Capacity Twicell High Durability Twicell High Rate Discharge Twicell Dry Cell Compatible Twicell Radio Audio Music Player Wireless Speaker Microphone IC Recorder Portable TV Digital Camera Camera DVD Player Professional VCR Notebook Computer Tablet PC PDA Data Entry Cordless Mouse Information 5 2 Portable Printer Server Back up Systems Uninterrupted Power Systems UPS 2 Way Radio Cordless Phone mmunication Ge E Wireless LAN Base station Back up Electric Razor Toothbrushes Home Application PP Vacuum Cleaner Power Tool Drill screwdriver etc Power Tool Garden Tool Lownmower Pressure Washer etc Fire Alarm Emergency Emergency light Emergency Comunication Home security Securty Electronic Lock Light Photographic Lighting Equipment Light Remote Control Toys T a Game Machine controller Medical Equipment Medical Saas Welfare tool Construction Solar Powered Equipment Electric Motor applications Electric Carrier Transport Power Assisted Bicycles or Vehicles e call In Vehicle e toll Tracking System Measuring Instrument Robots O
39. t directly connect Twicell batteries to a di rect power source or the cigarette lighter socket in acar High voltage may cause excessive current flow leakage of battery fluid heat generation bursting and fire Do not use Twicell batteries in any equipment other than those specified by FDK Depending on the equipment being used doing so may cause abnormal current flow leakage of battery fluid heat generation bursting and fire Twicell batteries contain the strong colorless al kaline solution electrolyte The alkaline solution is extremely corrosive and will cause skin damage If any fluid from Twicell battery comes in contact with a user s eyes they should immediately flush their eyes and wash them thoroughly with clean water enough from a tap or another source and consult a doctor urgently The strong alkaline solution can damage eyes and lead to permanent loss of eye sight When Twicell batteries are to be incorporated in equipment or housed within a case avoid air tight structures as this may lead to the equipment or case being damaged or may be harmful to users A WARNING Do not apply water seawater or other oxidizing reagents to Twicell batteries as this can cause rust and heat generation If a battery becomes rusted the gas release vent may no longer operate and can result in bursting Do not connect more than 21 Twicell batteries in series as this may cause electrical shocks leak age of battery fluid a
40. ther Remote Controller Dry Cell applied Products Typical applications are shown in the table For other purposes consult FDK A Precautions for Incorporating Assembled Batteries When batteries are used at high temperature their charge efficiency decreases and degradation of their performance and material properties is accelerated To prevent this keep the battery away from heat generating parts such as in transformers and attempt to improve the heat diffusion of equipment and battery Reverse charging of battery may cause leakage of electrolyte strong alkaline aqueous solution thus calling for alkaline resistant materials in the periphery of the battery Together with the electrolyte oxygen or hydrogen gas may leak During design measures must be incorporated to prevent combustion which may be caused by sparks from motors or switches Avoid contact type connections such as those employing a spring as an oxidized coating will form on the contact surface after prolonged periods of use leading to possible improper contact If a contact type connection is used remove the battery and wipe the contact with a cloth every few months to improve conductivity Select the material for the connection plate that has excellent resistance to alkaline The materials that contain copper may cause a trouble like rust Avoid direct attachment to a printed board as leakage will corrod
41. ver dispose of Twicell batteries in a fire or heat them Doing so may melt the insulation damage the gas release vents or protective devices ignite hydro gen gas cause leakage of battery fluid electrolyte heat generation bursting and fire Do not connect the positive and negative terminals of Twicell batteries together with electri cally conductive materials including lead wires Do not transport or store Twicell batteries with their uncovered terminals or connected with a metal necklace or other conductive material Doing so may short circuit a battery which would result in excessive current flow and possibly cause leakage of battery fluid heat generation bursting and fire When carrying or storing batteries use a special case Only charge Twicell batteries using those specific chargers that satisfy FDK s specifications Only charge batteries under the conditions specified by FDK Failure to follow proper charging proce dures may cause excessive current flow loss of control during charging leakage of battery fluid heat generation bursting and fire Never disassemble Twicell batteries Doing so may cause an internal or external short circuit or result in exposed material of battery reacting chemically with the air It may also cause heat generation bursting and fire Also this is danger ous as it may cause splashing of alkaline fluid Never modify or reconstruct Twicell batteries Protective devices to
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