Gp batteries GP4M DATASHEET
Data Sheet Model No.: GP4M
70
Discharge Time (Hours)
(with Sleeve)
Overcharge
Rechargeable Nickel Metal Hydride
:Type
Prismatic Cell
:Nominal Dimension
W = 17.0 mm
Recommended discharge current
:Applications
40 to 1200mA
1.2V:Nominal Voltage
Minimum:400mAh
:Capacity
Typical: 440mAh
when discharge at 0.2C to 1.0V at 20oC
40mA for 16hrs at 20oC:Charging Condition
200mA to 400mA (0.5 to 1C)
:Fast Charge
charge termination control recommended
control parameters:
-∆V : 0 - 5mV
DT/dt : 0.8oC/min (0.5 to 0.9C)
: 0.8 - 1oC/min (1C)
TCO : 45 - 50oC
Timer : 110% nominal input
>500 cycles (IEC standard):Service Life
40mA maximum current for 7 days
:Continuous
No conspicuous deformation
and/or leakage
About 10 g:Weight
:Internal Resistance
About 35mΩ upon fully discharged at
1000Hz
L = 31.3 mm T = 6.1 mm ,
Fast Charge (Charge control required)
Voltage (V)
1.6
400mA
1.5
(1C)
1.4
1.3
200mA
(0.5C)
1.2
1.1
0 20 40 60 80 100 120 140 160
Capacity Input ( % )
Low Rate Discharge
Voltage (V)
1.5
1.4
Charge: 40mA x 16hrs at 20oC
1.3
1.2
1.1
1.0
0.9
0.8
200mA
(0.5C)
80mA
(0.2C)
40mA
(0.1C)
0.7
0.6
0 2 4 6 8 10 12 14
Range
1.5V at 40mA charging:Max. Charging Voltage
Standard Charging
:Ambient Temperature
Fast Charging
Discharging
Storage
0 to 45oC
:
10 to 45oC
:
-20 to 50oC
:
-20 to 35oC
:
High Rate Discharge
Voltage (V)
1.5
1.4
Charge: 40mA x 16hrs at 20oC
1.3
1.2
1.1
1.0
0.9
0.8
1200mA
(3C)
800mA
(2C)
400mA
(1C)
0.7
0.6
0 10 20 30 40 50 60
Discharge Time (Mins)
* 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
guarantee or warranty. For applications other than
Unit : mm
______________________________________________________________________________________________________
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. SRS9109 Rev.05
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