Datasheet
Data Sheet Model No.: GP40AAAM
Manufacturer reserves the right to alter or amend the design, model and specification without prior notice. TRS0219 Rev.04
0 1020304050607
0
Discharge Time ( Mins )
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
Voltage (V)
`Type : Rechargeable Nickel Metal Hydride
Cylindrical Cell
Nominal Dimension
(with Sleeve)
:
Φ = 10.2 mm
H = 29.3 mm
Applications : Recommended discharge current
40 to 1200 mA
Nominal Voltage : 1.2V
Capacity : Minimum: 400 mAh
Typical: 420 mAh
when discharged at 0.2C to 1.0V at 20
o
C
Charging Condition : 40 mA for 16 hrs at 20
o
C
Fast Charge : 200 mA to 400 mA (0.5 to 1C)
charge termination control recommended
control parameters:
-∆V : 0 - 5mV
DT/dt ** : 0.8
o
C/min (0.5 to 0.9C)
: 0.8 - 1
o
C/min (1C)
TCO ** : 45 - 50
o
C
Timer **: 105% nominal input
** For reference only
Service Life : >500 cycles (IEC standard)
Continuous
Overcharge
: 40 mA maximum current for 1 year
No conspicuous deformation
and/or leakage
Weight : 8.0 g
Internal Resistance :
Average 65 mΩupon fully charged
(Range 48 – 80 mΩ) at 1000Hz
Max. Charging Voltage : 1.5V at 40 mA charging
Ambient Temperature
Range
: Standard Charging
Fast Charging
Discharging
Storage
:
:
:
:
0 to 45
o
C
10 to 45
o
C
-20 to 50
o
C
-20 to 35
o
C
0 20 40 60 80 100 120 140 16
0
Capacity Input ( % )
1.1
1.2
1.3
1.4
1.5
1.6
Voltage (V)
02468101214
Discharge Time ( Hrs )
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
Voltage (V)
* The information (subject to change without prio
r
notice) contained in this document is fo
r
reference only and should not be used as a
basis for product guarantee or warranty. Fo
r
applications other than those described here,
please consult your nearest GP Sales and
Marketin
g
Office or Distributors.
+0
10.2
-0.2
+0
29.3
-1
Fast Charge (charge control required)
400mA
(
1C
)
200mA
(
0.5C
)
Low rate discharge
Charge: 40mA x 16hrs at 20
o
C
200mA
(
0.5C
)
80mA
(
0.2C
)
40mA
(
0.1C
)
High Rate Discharge
Charge: 40mA x 16hrs at 20
o
C
1200mA
(3C)
800mA
(
2C
)
400mA
(
1C
)
4.7(Ref)
Unit : mm