NICKEL METAL HYDRIDE HANDBOOK AUGUST 2005NICKEL METAL HYDRIDE BATTERIES: INDIVIDUAL DATA SHEETThis information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications are subject tomodification without notice. Contact Panasonic for the latest information.Typical Discharge CharacteristicsTypical Charge CharacteristicsHHR150AA 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 theyare used. In order to maximize battery safety, please consult Panasonicwhen determining charge / discharge specs, warning label contentsand unit design.Note: [It] was previously expressed as [C]. [It] is an IEC standard expressionfor 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(+)( )50.5 + 01.014.5 +- 00.70 10 20 30 40 50 60 70 80 90 1000.80.91.01.11.21.31.41.51.61.71.81.92.0Voltage (V)Charge Time (minutes)Charge: 1500mA(1 It)✕1.2hrs.0˚C20˚C40˚C0 1 2 3 4 5 60.80.91.01.11.21.31.41.51.61.71.8300mA(0.2 It)Charge: 1500mA(1 It)✕1.2hrs,20˚CDischarge Temperature: 20˚CDischarge Time (hours)Voltage (V)0.80 10 20 30 40 50 60 70 80 90 1000.91.01.11.21.31.41.51.61.71.81500mA(1 It)3000mA(2 It)Voltage (V)Discharge Time (minutes)Charge: 1500mA(1 It)✕1.2hrs,20˚CDischarge Temperature: 20˚CNominal Voltage 1.2VDischargeCapacity*Average**Rated (Min.)1580 mAh1500 mAh20mΩ150mA (0.1It) x 16hrs.1500mA (1It) x 1.2 hrs.Approx. Internal impedanceat 1000Hz at charged state.ChargeChargeDischargeStorageStandardRapidStandardRapidAmbientTemperature ˚C ˚F0˚C to 45˚C0˚C to 40˚C-10˚C to 65˚C-20˚C to 35˚C-20˚C to 45˚C-20˚C to 55˚C32˚F to 113˚F32˚F to 104˚F14˚F to 149˚F-4˚F to 95˚F-4˚F to 113˚F-4˚F to 131˚F< 1 year< 3 months< 1 monthDiameterHeightApproximateWeightmm inchGrams Ounces14.5+0/-0.750.0+0/-1.00.57+0/-0.031.97+0/-0.0626 0.92