CYCLON SELECTION GUIDE - EnerSys

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CYCLON SELECTION GUIDECHARGING RECOMMENDAT I O N S :Broadly speaking, a battery may be recharged using either aconstant voltage (CV) charger or a constant current (CC) charger,or a modification of either or both of these.The exact regime chosen generally depends upon the time andeconomic constraints imposed by the system. Constant currentcharging is widely used in cyclic applications where a recharge mustbe accomplished in a relatively short time period. Constant voltagecharging, where a single voltage level is applied across the batteryterminals, is the most suitable method to recharge CYCLON p r o d-ucts. Depending on the CV charger’s current limit, it is possible torecharge these batteries from a 100% discharged condition to betterthan 95% state of charge in less than one hour, using only the cycliccharge voltage.Since not all of the charge returned is accepted to replenish theelectro-chemical potential, a good rule of thumb to use is that thecharge returned should be 105% to 110% of the capacity deliveredon the previous discharge.Most current waveforms are not pure DC nor are they pure sinewaves. Therefore, consult the EnerSys Application Support Departmentfor assistance when evaluating the charger current waveforms for yourspecific application.Constant voltage chargingConstant voltage (CV) charging should be within the followingr a n g e s :Fast Chargers: Per cell: 2.45 to 2.50 volts @ 25°C12 volts: 14.70 to 15.0 volts @ 25°CFloat Chargers: Per cell: 2.27 to 2.35 volts @ 25°C12 volts: 13.62 to 14.10 volts @ 25°CTo avoid thermal runaway in warmer temperatures, and to improvecharge acceptance in colder temperatures, the charger voltage shouldbe compensated by approximately 3 millivolts per cell per degreeCentigrade variance from 25°C. This is a negative coefficient, with thevoltage being lowered as the temperature increases, and vice versa.There is no need to limit the inrush current to the battery duringthe initial phase of constant voltage charging. The internal resistanceof EnerSys CYCLON Single Cells and Monoblocs allows for largeinrush current without damage.Certificate Number EMS 39520, ISO 14001 CertifiedCertificate Number FM 32099, ISO 9001 CertifiedPublication No. US-CYC-SG-001 February 20038
CYCLON SELECTION GUIDECYCLON PRODUCT FA M I LY (All capacities at 10 hr. rate 25°C to 1.67 vpc)CYCLON 2V single cell:D I M E N S I O N SInternal res. Nominal short Height withP r o d u c t s Part of fully charged circuit current for D i a m e t e r H e i g h t t e r m i n a l s We i g h t Ta b s( c a p a c i t y ) N u m b e r cell mΩ @ 25°C charged cell in. (mm) in. (mm) in. (mm) oz. (gm) in. (mm)D cell 0810 - 0004 5 . 0 400 A 1.35 2.41 2.68 6.28 .187 x .025( 2 . 5 A h ) ( 34 . 3 ) (61.2) ( 68 . 1 ) ( 178 . 0 ) (4.75 x 0.64)DT cell 0860 - 0004 5 . 0 400 A 1.35 3 . 78 4 . 05 9.68 .187x .025( 4 . 5 A h ) ( 34 . 3 ) (96.0) ( 102 . 9 ) ( 274 . 4 ) (4.75 x 0.64)X cell 0800 - 0004 3 . 5 570 A 1 . 75 2 . 87 3 . 21 12 . 77 .250 x .025( 5 . 0 A h ) ( 44 . 5 ) ( 72 . 9 ) ( 81 . 5 ) ( 362 . 0 ) (6.35 x 0.64)E cell 0850 - 0004 3 . 0 665 A 1 . 75 3 . 94 4 . 28 17 . 28 .250 x .025( 8 . 0 A h ) ( 44 . 5 ) ( 100 . 1 ) ( 108 . 7 ) ( 489 . 9 ) (6.35 x 0.64)J cell 0840 - 0004 2 . 5 800 A 2 . 04 4 . 85 5 . 34 29 . 60 0.312 x 0.032( 12 . 0 A h ) ( 51 . 8 ) ( 123 . 2 ) ( 135 . 6 ) ( 839 . 2 ) (7.92 x 0.81)BC cell 0820 - 0004 1 . 5 1335 A 2 . 57 6 . 25 6 . 82 58 . 88 M6 (-) and( 25 A h ) ( 65 . 3 ) (158.8) ( 173 . 2 ) ( 1669 . 2 ) M8 (+) terminalsCYCLON 4V monobloc:Internal res.D I M E N S I O N Sof fully charged Nominal shortP r o d u c t s Part Monobloc mΩ circuit current for L e n g t h W i d t h Height We i g h t Ta b s( c a p a c i t y ) N u m b e r @ 25°C charged Monobloc in. (mm) in. (mm) in. (mm) lb. (kg) in. (mm)D 0819 - 0010 10 . 0 400 A 3 . 13 1 . 81 2 . 75 . 80 0.187 x .025( 2 . 5 A h ) ( 79 . 5 ) (46.0) ( 69 . 9 ) (. 36 ) (4.75 x 0.64)X 0809 - 0010 7 . 0 570 A 3 . 80 2 . 12 3 . 02 1 . 62 .250 x .025( 5 . 0 A h ) ( 96 . 5 ) ( 53 . 8 ) ( 76 . 7 ) (. 74 ) (6.35 x 0.64)E 0859 - 0010 6 . 0 665 A 3 . 81 2 . 13 4 . 00 2 . 11 0.250 x .025( 8 . 0 A h ) ( 96 . 8 ) ( 54 . 1 ) ( 101 . 6 ) (. 96 ) (6.35 x 0.64)CYCLON 6V monobloc:Internal res.D I M E N S I O N Sof fully charged Nominal shortP r o d u c t s Part Monobloc mΩ circuit current for L e n g t h W i d t h Height We i g h t Ta b s( c a p a c i t y ) N u m b e r @ 25°C charged Monobloc in. (mm) in. (mm) in. (mm) lb. (kg) in. (mm)D 0819 - 0012 15 . 0 400 A 4 . 48 1 . 81 2 . 75 1 . 15 0.187 x .025( 2 . 5 A h ) ( 113 . 8 ) (46.0) ( 69 . 9 ) (. 52 ) (4.75 x 0.64)X 0809 - 0012 10 . 0 570 A 5 . 48 2 . 12 3 . 02 2 . 16 0.250 x .025( 5 . 0 A h ) ( 139 . 2 ) ( 53 . 8 ) ( 76 . 7 ) (. 98 ) (6.35 x 0.64)E 0859 - 0012 8 . 0 665 A 5 . 48 2 . 13 4 . 00 3 . 15 0.250 x .025( 8 . 0 A h ) ( 139 . 2 ) ( 54 . 1 ) ( 101 . 6 ) ( 1 . 43 ) (6.35 x 0.64)All dimensions, excluding weight and tabs, are maximum9Certificate Number EMS 39520, ISO 14001 CertifiedCertificate Number FM 32099, ISO 9001 CertifiedPublication No. US-CYC-SG-001 February 2003
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Page 20 and 21: CYCLON 4V/6V MONOBLOC STANDARD ASSE
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