Energizer HR20 Product Data Sheet

PRODUCT DATASHEET
Rechargeable D-2500 (HR20)
Industry Standard Dimensions
(millimeters)
9.50
Maximum
18.0
Minimum
Typical Discharge Characteristics
Typical Performance at 21ºC
1.4
1.3
1.2
500 mA
1.1
(0.2C)
1.0
0.9
0 3
Hours of Discharge
Typical Performance at 21ºC
1.4
1.3
1.2
1.1
5.0 A
1.0
(2.0C)
0.9
0.0 0.5 1.0
Hours of Discharge
This datasheet contains information specific to battery chargers manufactured at the time of its publication.
Form No. EBC - 8828EU
1.50
34.20
Minimum
32.30
(+)
61.50
59.50
(-)
250 mA
(0.1C)
6 9 12
1.25 A
(0.5C)
2.5 A
(1.0C)
1.5 2.0 2.5
Important Notice
©Energizer Holdings, Inc. - Contents herein do not constitute a warranty.

Specifications

Classification: ACCU 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
Internal Resistance:
The internal resistance of the cell varies
with state of charge, as follows:
Cell Charged
11 milliohms
(tolerance of ±20% applies to above values)
AC Impedance (No Load):
The impedance of the charged cell varies
with frequency, as follows:
Frequency (Hz)
1000
Above values based on AC current set at 1.0 ampere.
Value tolerances are ±20%.
Operating and Storage Temperatures:
To maintain maximum performance, observe the following
general guidelines regarding environmental conditions.
Charge: 0ºC to 40ºC
Discharge: 0ºC to 50ºC
Storage: -20ºC to 30ºC
Humidity: 65±20%
Operating at extreme temperatures,
will significantly impact battery cycle life.
European Region
+ 44 (0) 208 920 2306
www.energizer.eu
D
Cell 1/2 Discharged
21 milliohms
Impedance (milliohms)
(Charged Cell)
9
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