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Energizer NH50 User Manual

Product datasheet, Specifications

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Classification:

Rechargeable

Chemical System:

Nickel-Metal Hydride (NiMH)

Designation:

IEC-HR20

Nominal Voltage:

1.2 Volts

Rated Capacity:

2500 mAh (to 1.0 volts)
Based on 500 mA (0.2C) discharge rate

Typical Weight:

73.0 grams

Typical Volume:

56.5 cubic centimeters

Jacket:

Plastic Label

0ºC to 40ºC

0ºC to 50ºC

Storage: -20ºC to 30ºC

Humidity: 65±20%

Value tolerances are ±20%.

general guidelines regarding environmental conditions.

Charge:

Operating and Storage Temperatures:

Operating at extreme temperatures,

©Energizer Holdings, Inc. - Contents herein do not constitute a warranty.

This datasheet contains typical information specific to products manufactured at the time of its publication.

11 milliohms

21 milliohms

Above values based on AC current set at 1.0 ampere.

Discharge:

To maintain maximum performance, observe the following

will significantly impact battery cycle life.

Specifications

(millimeters)

ENERGIZER NH50-2500

with state of charge, as follows:

9

The impedance of the charged cell varies

with frequency, as follows:

Frequency (Hz)

Impedance (milliohms)

1000

Important Notice

Typical Discharge Characteristics

Industry Standard Dimensions

Internal Resistance:

The internal resistance of the cell varies

Cell 1/2 Discharged

Cell Charged

AC Impedance (No Load):

(tolerance of ±20% applies to above values)

(Charged Cell)

PRODUCT DATASHEET

0.9

1.0

1.1

1.2

1.3

1.4

0

3

6

9

12

Ce

ll V

olta

ge

Hours of Discharge

Typical Performance at 21ºC

250 mA

(0.1C)

500 mA

(0.2C)

0.9

1.0

1.1

1.2

1.3

1.4

0.0

0.5

1.0

1.5

2.0

2.5

Ce

ll V

olta

ge

Hours of Discharge

Typical Performance at 21ºC

1.25 A

(0.5C)

5.0 A

(2.0C)

2.5 A

(1.0C)

Asia Pacific Region

+852‐31026623

1.50

Minimum

9.50

Maximum

34.20
32.30

(+)

(-)

61.50
59.50

18.0

Minimum

Form No. EBC - 8921AP

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