NICKEL METAL HYDRIDE BATTERIES: INDIVIDUAL DATA SHEET
Typical Charge Characteristics
HHR120AA
Cylindrical 4/5AA size (HR 15/43)
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: 600mA(1 It)✕1.2hrs.
14.5+0
0.7
-
0˚C
20˚C
45˚C
(+)
0
10
20
30
40
50
60
70
80
90 100
Charge Time (minutes)
43.0+0
1.0
-
Typical Discharge Characteristics
1.8
Charge: 1200mA(1 It)✕1.2hrs,20˚C
DischargeTemperature: 20˚C
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
( )
Specifications
240mA(0.2 It)
mm
inch
14.5+0/-0.7
43.0+0/-1.0
Grams
0.57+0/-0.03
1.69+0/-0.04
Ounces
Diameter
Height
0
1
2
3
4
5
6
Discharge Time (hours)
Approximate
Weight
23
0.81
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
Charge: 1200mA(1 It)✕1.2hrs,20˚C
Discharge Temperature: 20˚C
Average**
Rated (Min.)
1220 mAh
1150 mAh
Discharge
Capacity*
Approx. Internal impedance
at 1000Hz at charged state.
19mΩ
120mA (0.1It) x 16hrs.
1200mA (1It) x 1.2 hrs.
Standard
Charge
Rapid
1200mA(1 It)
2400mA(2 It)
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
0
10
20
30
40
50
60
70
80
90 100
Rapid
Discharge
< 1 year
Discharge Time (minutes)
-10˚C to 65˚C
-20˚C to 35˚C
-20˚C to 45˚C
-20˚C to 55˚C
Storage
< 3 months
< 1 month
* 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
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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