D
Classification: Rechar
g
eabl
e
Chemical S
y
stem: Nickel-Metal H
y
dride
(
NiMH
)
Desi
g
nation: IEC-HR20
Nominal Volta
g
e: 1.2 Volts
Rated Ca
p
acit
y
: 2500 mAh
(
to 1.0 volts
)
Based on 500 mA (0.2C) discharge rate
Typ
ical Wei
g
ht: 73.0
g
rams
Typ
ical Volume: 56.5 cubic centimeter
s
Jacket: Plastic Label
0ºC to 40ºC
0ºC to 50ºC
Stora
g
e: -20ºC to 30ºC
Humidit
y
: 65±20%
V
alue 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
A
bove values based on AC current set at 1.0 ampere
.
Discharge:
To maintain maximum performance, observe the followin
g
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
Im
p
ortant Notice
Typical Discharge Characteristics
Industry Standard Dimensions
Internal Resistance:
The internal resistance of the cell varies
Cell 1/2 Discharged
Cell Charged
A
C 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
036912
Cell Voltage
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
Cell Voltage
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