NICKEL CADMIUM BATTERIES: INDIVIDUAL DATA SHEET
P-70AARC/FT
AA size Type: R
Dimensions (with tube)
(mm)
Typical Charge Characteristics
1.8
1.7
1.6
0˚C
20˚C
45˚C
Charge: 70mA(0.1It)x 15hrs.
Voltage (V)
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0
2
4
6
8
10
12
14
14.5
+ 0
-
0.7
(
+
)
16
18
Charge Time (hours)
48.3
+ 0
-
1.0
1.8
1.7
1.6
10˚C
20˚C
40˚C
Charge: 700mA(1It)x 1.5hrs.
Voltage (V)
1.5
1.4
1.3
1.2
1.1
1.0
( )
Specifications
Diameter
Height
Approximate
Weight
Nominal Voltage
Rated (Min.)
Approx. Internal impedance at
1000Hz at charged state
Standard
Charge
Rapid***
Ambient
Temperature
0.9
0
20
40
60
80
100
120
mm
14.5 +0/-0.7
48.3 +0/-1.0
Grams
22g
inch
0.57 +0/-0.03
1.90 +0/-0.04
Ounces
0.78
1.2V
740mAh
Charge Time (minutes)
Typical Discharge Characteristics
1.7
1.6
Discharge
Capacity*
Average**
Charge: 70mA(0.1It)x 15hrs., 20˚C.
Discharge Temperature : 20˚C.
Voltage (V)
700mAh
13mΩ
70mA (0.1It) x 16 hrs.
700mA (1It) x 1.5 hrs.
˚C
˚F
0˚C to 45˚C 32˚F to 113˚F
10˚C to 40˚C
-20˚C to 65˚C
-20˚C to 35˚C
-20˚C to 45˚C
50˚F to 104˚F
-4˚F to 149˚F
-4˚F to 95˚F
-4˚F to 113˚F
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0
1
2
3
4
5
6
7
8
9
140mA
(0.2It)
Charge
Standard
Rapid
Discharge
< 2 years
Storage
< 6 months
Discharge Time (hours)
Voltage (V)
* 0.2It discharge capacity after charging at 0.1It for 16 hours.
** For reference only.
*** Refer to “Charge Methods for Ni-Cd Batteries”
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
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0
10
20
1400mA
(2It)
30
40
50
700mA
(1It)
60
70
80
90
Charge: 70mA(0.1It)x 15hrs., 20˚C.
Discharge Temperature: 20˚C.
Discharge Time (minutes)
NICKEL CADMIUM HANDBOOK
AUGUST 2003
This information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications are subject to
modification without notice. Contact Panasonic for the latest information.
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