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Data Sheet Model No.: GP40AAK
(with Sleeve)
Overcharge
Range
14.5
Rechargeable Nickel Cadmium
:Type
Cylindrical Cell
:Nominal Dimension
Φ =14.5mm
H =28.7mm
Recommended discharge current
:Applications
20 to 1200mA
1.2V:Nominal Voltage
:Capacity
Minimum: 400mAh
Typical: 450mAh
when discharged at 80mA to 1.0V at 20
40mA for 16 hrs at 20
:Fast Charge
200mA to 400mA (0.5 to 1C)
o
C:Charging Condition
with charge termination control
Recommended control parameters:
-∆V : 10 - 20mV
Timer : 120% nominal input
>500 cycles (IEC standard):Service Life
:Continuous
40mA maximum current for 1 year
No conspicuous deformation
and/or leakage
12.0g:Weight
:Internal Resistance
Average 68mΩ upon fully charged
(Range 55-75mΩ) at 1000Hz
1.5V at 40mA charging:Max. Charging Voltage
:Ambient Temperature
Standard Charging
Fast Charging
Discharging
Storage
+0
-0.7
0 to 45oC
:
10 to 45
:
:
-20 to 50
:
-20 to 35
6.5(REF.)
Fast Charge (Charge control required)
Voltage (V)
1.7
1.6
400mA
(1C)
1.5
1.4
1.3
200mA
(0.5C)
1.2
1.1
o
C
1
0 20 40 60 80 100 120 140 160
Capacity Input ( % )
Low Rate Discharge
Voltage (V)
1.5
1.4
1.3
Charge: 40mA x 16hrs at 20oC
1.2
1.1
1
0.9
0.8
200mA
(0.5C)
80mA
(0.2C)
40mA
(0.1C)
0.7
0 2 4 6 8 10 12 14
Discharge Time ( Hrs )
High Rate Discharge
o
C
o
C
o
C
Voltage (V)
1.5
1.4
Charge: 40mA x 16hrs at 20oC
1.3
1.2
1.1
1
0.9
0.8
1200mA
(3C)
800mA
(2C)
400mA
(1C)
0.7
0 10203040506070
Discharge Time ( Mins )
28.7
+0
-1
* The information (subject to change without prior
notice) contained in this document is for reference
only and should not be used as a basis for product
Unit : mm
guarantee or warranty. For applications other than
those described here, please consult your nearest
GP Sales and Marketing Office or Distributors.
______________________________________________________________________________________________________
Manufacturer reserves the right to alter or amend the design, model and specification without prior notice. CRS3040 Rev.02
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