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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 with 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

HHR150AA

 

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

(

+

)

(   )

50.5

+

0

1.0

14.5

+

-

0

0.7

0

10

20

30

40

50

60

70

80

90

100

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: 1500mA(1 It)

1.2hrs.

0˚C

20˚C
40˚C

0

1

2

3

4

5

6

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

300mA(0.2 It)

Charge: 1500mA(1 It)

1.2hrs,20˚C

Discharge Temperature: 20˚C

Discharge Time (hours)

Voltage (V)

0.8

0

10

20

30

40

50

60

70

80

90

100

0.9

1.0

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1500mA(1 It)
3000mA(2 It)

Voltage (V)

Discharge Time (minutes)

Charge: 1500mA(1 It)

1.2hrs,20˚C

Discharge Temperature: 20˚C

Nominal Voltage

1.2V

Discharge

Capacity*

Average**

Rated (Min.)

1580 mAh

1500 mAh

20m

150mA (0.1It) x 16hrs.

1500mA (1It) x 1.2 hrs.

Approx. Internal impedance

at 1000Hz at charged state.

Charge

Charge

Discharge

Storage

Standard

Rapid

Standard

Rapid

Ambient

T

emperature

˚

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

14.5+0/-0.7

50.0+0/-1.0

0.57+0/-0.03

1.97+0/-0.06

26

0.92

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