Gp batteries GP40AAAM DATASHEET
Data Sheet Model No.: GP40AAAM
0
0
r
r
g
(1C)
(
(
(
(
(3C)
(2C)
(1C)
`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 20oC
Fast Charge : 200 mA to 400 mA (0.5 to 1C)
charge termination control recommended
control parameters:
-∆V : 0 - 5mV
DT/dt ** : 0.8
: 0.8 - 1
TCO ** : 45 - 50
o
C/min (0.5 to 0.9C)
o
C/min (1C)
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
+0
: Standard Charging
Fast Charging
Discharging
Storage
4.7(Ref)
0 to 45
:
:
10 to 45
:
-20 to 50
:
-20 to 35
o
o
o
o
C
C
C
C
10.2
-0.2
+0
29.3
-1
Unit : mm
Fast Charge (charge control required)
Voltage (V)
1.6
400mA
1.5
1.4
1.3
200mA
0.5C)
1.2
1.1
0 20 40 60 80 100 120 140 16
Capacity Input ( % )
Low rate discharge
Voltage (V)
1.5
1.4
1.3
1.2
1.1
1
0.9
0.8
0.7
200mA
0.5C)
02468101214
High Rate Discharge
Charge: 40mA x 16hrs at 20oC
80mA
0.2C)
Discharge Time ( Hrs )
40mA
0.1C)
Voltage (V)
1.5
1.4
Charge: 40mA x 16hrs at 20oC
1.3
1.2
1.1
1
0.9
0.8
1200mA
800mA
400mA
0.7
0 1020304050607
Discharge Time ( Mins )
* The information (subject to change without prior
notice) contained in this document is fo
reference only and should not be used as a
basis for product guarantee or warranty. Fo
applications other than those described here,
please consult your nearest GP Sales and
Marketin
Office or Distributors.
Manufacturer reserves the right to alter or amend the design, model and specification without prior notice. TRS0219 Rev.04
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