NICKEL CADMIUM BATTERIES: INDIVIDUAL DATA SHEET
P-400DH
D size (KR33/62) Type: H
Dimensions (with tube)
(mm)
Typical Charge Characteristics
1.8
1.7
1.6
Charge: 133mA(0.033It)x 48hrs.
0˚C
20˚C
45˚C
Voltage (V)
33.0 -
+0
1.0
1.5
1.4
1.3
1.2
1.1
1.0
(
+
)
0.9
0
10
20
30
40
50
60
Charge Time (hours)
61.0
+ 0
-
1.5
120
100
"H" Type P-400DH
Capacity Ratio (%)
80
60
( )
40
Specifications
20
Diameter
Height
Approximate
Weight
mm
33.0 +0/-1.0
61.0 +0/-1.5
Grams
139g
inch
1.30 +0/-0.04
2.40 +0/-0.06
Ounces
4.9
Charge:
133mA(0.033It)x 48hrs.
Discharge: 4000mA(1It), Cut-off voltage 1.1V.
0
-10
0
10
20
30
40
50
Temperature
˚
C)
(
Nominal Voltage
Discharge
Capacity*
Average**
Rated (Min.)
1.2V
4400mAh
4000mAh
7mΩ
400mA (0.1It) x 16 hrs.
200mA (0.05It) x 30h and over
133mA (0.033It) x 48h and over
˚C
0˚C to 50˚C
-20˚C to 65˚C
-20˚C to 35˚C
-20˚C to 45˚C
˚F
32˚F to 122˚F
-4˚F to 149˚F
-4˚F to 95˚F
-4˚F to 113˚F
Typical Discharge Characteristics
1.7
1.6
1.5
Charge: 133mA(0.033It)x 48hrs., 20˚C.
Discharge: 4000mA(1It).
Voltage (V)
Approx. Internal impedance at
1000Hz at charged state
Standard
Charge
Trickle
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0
10
20
30
40
50
60
70
80
90
0˚C
20˚C
45˚C
Max
Current
Min
Current
Ambient
Temperature
Charge
Discharge
< 2 years
Storage
< 6 months
Discharge Time (minutes)
* 0.2It discharge capacity after charging at 0.1It for 16 hours.
** 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
NICKEL CADMIUM HANDBOOK, PAGE 64
AUGUST 2003
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