D
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
Page 1 of 1
