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 HHR210A cylindrical a size (hr 17/50) dimensions (with tube) (mm) ( + ) ( ) 50.0 + - 0 1.5 17.0 + - 0 0 .7 specifications * after charging at 0.1it for 16 hours, discharging at 0.2it. ** for reference only. 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 10 20 30 40 50 60 70 80 90 100 110 12 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: 2100ma(1 it) ? 1.2hrs. 0?c 20?c 40?c 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 012345 6 420ma(0.2 it ) voltage (v) discharge time (hours) charge: 2100ma(1 it) ? 1.2hrs,20?c discharge temperature: 20?c 0 10203040506070809010 0 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 2100ma(1 it) 4200ma(2 it) voltage (v) discharge time (minutes) charge: 2100ma(1 it) ? 1.2hrs,20?c discharge temperature: 20?c 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.) 2200 mah 2100 mah 20m ? 210ma (0.1it) x 16hrs. 2100ma (1it) x 1.2 hrs. 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 50.0+0/-1.5 0.67+0/-0.03 1.97+0/-0.06 38 1.34
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