Panasonic Camera Accessories HHR450A User Manual

NICKEL METAL HYDRIDE BATTERIES: INDIVIDUAL DATA SHEET  
Typical Charge Characteristics  
HHR450A  
Cylindrical L-fat A size (HR 18/67)  
2.0  
1.9  
1.8  
1.7  
1.6  
1.5  
1.4  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
Dimensions (with Tube)  
(mm)  
Charge: 1500mA- V=10mV  
18.2+-0  
0.7  
(+)  
0˚C  
20˚C  
45˚C  
0
20 40 60 80 100 120 140 160 180 200 220  
Charge Time (minutes)  
67.0+-0  
1.5  
Typical Discharge Characteristics  
1.8  
Charge: 2000mA dT/dt=1.0˚C/min,20˚C  
Disharge Temperature: 20˚C  
1.7  
1.6  
1.5  
1.4  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
(
)
Specifications  
mm  
18.2+0/-0.7  
67.0+0/-1.5  
Grams  
inch  
900mA(0.2 It)  
0.72+0/-0.03  
2.64+0/-0.06  
Ounces  
Diameter  
Height  
0
1
2
3
4
5
6
Discharge Time (hours)  
Approximate  
Weight  
60  
2.12  
Nominal Voltage  
1.2V  
1.8  
1.7  
1.6  
1.5  
1.4  
1.3  
1.2  
1.1  
1.0  
0.9  
0.8  
Average**  
4500 mAh  
4200 mAh  
Discharge  
Capacity*  
Charge: 2000mA dT/dt=1.0˚C/min,20˚C  
Disharge Temperature: 20˚C  
Rated (Min.)  
Approx. Internal impedance  
at 1000Hz at charged state.  
25m  
Standard  
420mA (0.1It) x 16hrs.  
2000mA dT/dt  
Charge  
Rapid***  
F
˚
C
˚
Standard  
Charge  
0˚C to 45˚C  
0˚C to 40˚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  
Rapid  
Discharge  
< 1 year  
2000mA(0.44 It)  
4500mA(1 It)  
-10˚C to 65˚C  
-20˚C to 35˚C  
-20˚C to 45˚C  
-20˚C to 55˚C  
0
20  
40  
60  
80  
100  
120  
140  
Discharge Time (minutes)  
Storage  
< 3 months  
< 1 month  
* 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.  
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  
AUGUST 2005  
NICKEL METAL HYDRIDE HANDBOOK  
modification without notice. Contact Panasonic for the latest information.  
This 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 to  
 

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