nickel metal hydride handbook august 2005 nickel metal hydride batteries: individual data sheet this information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty w ith respect to any cells and batteries. cell and battery designs/specifications are subject to modification without notice. contact panasonic for the latest information. typical discharge characteristics typical charge characteristics HHR370AH cylindrical l-fat a size (hr 18/67) dimensions (with tube) (mm) specifications 1 after charging at 0.1it for 16 hours, discharging at 0.2it. 2 for reference only. 3 need specially designed control system control system: dt/dt cut-off; 1 to 2c/min - u v cut-off; - u v per cell = 5 to 10 mv t-control; t=65c rapid charger timer; 2.4h (at 1.25a) trickle timer; within 2h 4 with control system battery performance and cycle life are strongly affected by how they are used. in order to maximize battery safety, please consult panasonic when determining charge / discharge specs, warning label contents and unit design. ( + ) ( ) 67.0 + - 0 1 .5 18.2 + - 0 0.7 0246810121416182 0 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 voltage (v) charge time (hours) charge: 330ma(0.1 it) ? 16hrs. -10?c 25?c 60?c -20-100 1020304050607 0 30 40 50 60 70 80 90 100 110 120 capacity ratio (%) temperature (?c) charge: 330ma(0.1 it) ? 15hrs disharge: 660ma(0.2 it),cut off voltage 1.0v disharge temperature: 20?c 012345 6 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 voltage (v) charge time (hours) 0?c 25?c 60?c charge: 330m a(0.1 it) ? 16hrs, 25 ?c disharge: 660m a(0.2 it) note: [it] was previously expressed as [c]. [it] is an iec standard expression for the amount of charge or discharge current and is expressed as: it(a) = cn (ah)/1h. [it] is the reference test current in ampres [cn] is the rated capacity of the cell or battery in ampere-hours. n = the time base [hours] for which the rated capacity is declared nominal voltage 1.2v discharge capacity 1 average 2 rated (min.) 3700 mah 3500 mah 20m ? 370ma x 16hrs. 1750ma x 2.4 hrs. 4 185ma x 32 hrs. 123ma x 48 hrs. approx. internal impedance at 1000hz at charged state. charge charge discharge storage standard rapid 3 low rate standard rapid ambient temperature ? c ? f -10?c to 60?c -10?c to 45?c -10?c to 60?c -20?c to 35?c -20?c to 45?c -20?c to 55?c -20?c to 65?c 14?f to 140?f 14?f to 113?f 14?f to 140?f -4?f to 95?f -4?f to 113?f -4?f to 131?f -4?f to 149?f < 1 year < 6 months < 1 month < 1 week diameter height approximate weight mm inch grams ounces 18.2+0/-0.7 67.0+0/-1.5 0.72+0/-0.03 2.64+0/-0.06 60 2.12
|
