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 ( + ) ( ) 50.5 + - 0 1.0 14.5 + - 0 0 .7 HHR210AA/b cylindrical aa size (hr 15/51) dimensions (with tube) (mm) 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. 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 60 80 100 40 20 0 120 140 16 0 2.0 1.8 1.6 1.4 1.2 1.0 0.8 voltage (v) charge: 1100ma (0.55 it), - ? v=5mv 0?c 20?c 40?c discharge time (hrs.) 123 0 45 6 voltage (v) charge: 200ma(0.1 it) x 16 hrs., 20?c discharge temperature: 20?c 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 discharge time (hours) 400ma (0.2it) 10 20 30 0 40 50 60 70 80 90 10 0 voltage (v) charge: 1100ma (0.55it), - ? v, 20?c discharge temperature: 20?c 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 discharge time (min.) 4000ma (2it) 2000ma (1it) nominal voltage discharge capacity* average** rated (min.) approx. internal impedance at 1000hz at charged state. charge charge standard standard rapid rapid discharge storage < 1 year < 3 months < 1 month ambient temperature 1.2v 2080mah 2000mah 25m ? 200ma (0.1it) x 16 hrs. 1200ma (1it) x 2 hrs. 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 113 f 14 f to 149 f -4 f to 95 f -4 f to 113 f -4 f to 131 f mm inch diameter height approximate weight 14.5 +0/-0.7 0.57 +0/-0.3 50.5 +0/-1.0 1.99 +0/-0.5 grams ounces 29 1.02
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