LC-WTP127R2 for pitch backup systems in wind turbines expected life: 10 years at 20 , 6 years at 25 (based on a weekly discharge cycle of max 15 seconds) dimensions(mm) specification duration of discharge vs. discharge current characteristics large current discharge characteristics(25 ) peak current(a for milliseconds) 160 150 140 130 120 112 105 94 86 80 75 discharge current(a) 144 135 126 117 108 101 95 85 78 72 68 discharge time(sec) 3 6 10 15 20 25 30 40 50 60 70 peak current(a for milliseconds) 70 66 62 59 55 52 49 46 44 42 40 discharge current(a) 63 60 56 53 50 47 44 42 40 38 36 discharge time(sec) 80 90 100 110 120 130 140 150 160 170 180 the cut off volta g e should be more than 8.0v.batter y should be char g ed after each dischar g e. charging method **please consult us for the ri g ht control volta g e if the ambient tem p erature is different. operating temperature range * for stora g e , p lease ensure that batter y is full y char g ed. -40 ~ 50 -20 ~ 50 -20 ~ 50 **control voltage: 13.6v~13.8v at 20 ~25 with temperature compensation, initial current: 1.08a or smaller *storage charge discharge battery case resin: flame-retardant (ul94v-0) contents indicated (including the recycl e markin g ,etc ) are sub j ect to chan g e without notice. terminal approx. mass nominal voltage 12v rated capacity(20hr) dimensions length total height width faston 250m 2.50 kg height 100 mm 7.2ah 151 mm 64.5 mm 94 mm temperature dependency of capacity (20 hour rate) self discharge (25 ) 21 m ? 1 hour rate 4.9ah 0 100% fully charged battery internal resistance (25 ) 40 102% after 6 months 82% 85% 25 65% -15 64% after 3 months 91% after 12 months capacity (25 ) 6.5ah 3 hour rate 5.8ah 10 hour rate 20 hour rate 7.2ah 0.1 0.3 1 31030 100 1 3 5 10 30 60 3 5 10 20 30 (minute) (hour) 40 25 0 -15 duration of discharge discharge current(a) terminal type 6.35 4.5 1/2
influence of temperature on trickle life residual capacity test result constant-voltage constant-current charge characteristics for trickle use discharge capacity by temperature and by discharge current discharge characteristics(25 ) panasonic storage battery (shenyang) co., ltd no. 51 kunminghu street, shenyang economic & technical development zone,110141 china tel: 86 24 25818921 fax: 86 24 62786318 website: http://www.panasonicbattery.cn 2010.03 due to the potential energy stored in the batteries, please read precautions for handling the rechargeable valve regulated lead acid batteries before using batteries. if improper handling or use of the batteries without understanding precautions for handl caution 0.1 1 10 100 0 102030405060 temperature ( ) service life (years) charging voltage 2.275v/cell 0.0 5.0 10.0 15.0 20.0 0.360a 1.80a 7.20a 21.6a (minute) (hour) 40 0 1 2 4 6 8 10 20 40 60 2 4 6 8 10 20 terminal voltage(v) duration of discharge 0 20 40 60 80 100 120 -150 153045 battery temperature( ) capacity(%) 0.05c a 0.10ca 0.50ca 1.00ca 2.00ca 3.00ca 0.25c a 0 20 40 60 80 100 120 02468101214161820 storage period (month) capacity retention ratio (%) 5 (41 H ) 25 (77 H ) 30 (86 H ) 40 (104 H ) 0 20 40 60 80 100 120 140 160 0 4 8 12162024 charge tim e (h) charge quantity(%) 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 battery voltage(v) 0.3 0.2 0.1 0 char g e current ( ca ) battery voltage charge current charge quantity (to-discharge quantity discharge ? 100% (0.05ca*20h) ? 50% (0.05ca*10h) charge charge voltage 13.7v(2.28v/cell) charge current 0.15c a temperature 25 (77 H ) ? ? 2/2
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