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 HHR380A cylindrical l-a size (hr 17/67) dimensions (with tube) (mm) specifications * after charging at 0.1it for 16 hours, discharging at 0.2it. ** for reference only. *** for rapid charge: use dt/dt charge termination method. refer to the nickel metal hydride ?charge methods? section for further details. 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. 0 20 40 60 80 100 120 140 16 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 (minutes) charge: 2000ma- v=10mv 0?c 20?c 45?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 760ma(0.2 it) charge: 2000ma dt/dt=1.0 ?c /min,20 ?c disharge temperature: 20 ?c voltage (v) discharge time (hours) 0 10203040506070809010011012 0 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 2000ma(0.53 it) 3800ma(1 it) charge: 2000ma,dt/dt=1.0?c/min.20?c disharge temperature: 20 ?c discharge time (minutes) voltage (v) ( + ) ( ) 67.0 + - 0 1.5 17.0 + - 0 0. 7 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* average** rated (min.) 3800 mah 3700 mah 25m ? 370ma (0.1it) x 16hrs. 2000ma dt/dt approx. internal impedance at 1000hz at charged state. charge charge discharge storage standard rapid*** standard rapid ambient temperature ? c ? f 0?c to 45?c 0?c to 40?c -10?c to 65?c -20?c to 35?c -20?c to 45?c -20?c to 55?c 32?f to 113?f 32?f to 104?f 14?f to 149?f -4?f to 95?f -4?f to 113?f -4?f to 131?f < 1 year < 3 months < 1 month diameter height approximate weight mm inch grams ounces 17.0+0/-0.7 67.0+0/-1.5 0.67+0/-0.03 2.64+0/-0.06 53 1.87
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