Datasheet

Voltage(V)
Model No.: GP40AAAM
Type
: Rechargeable Nickel Metal
Hydride Cylindrical Cell
Nominal Dimension
(with Sleeve)
: Φ = 10.4mm
H = 29.3mm
Applications
: Recommended discharge current
40 to 1200mA
Nominal Voltage
: 1.2V
Capacity
: Nominal: 400mAh
Minimum: 400mAh
Typical: 420mAh
When discharged at 80mA to
1.0V at 20℃
Charging Condition
: 40mA for 16 hrs at 20℃
Fast Charge
: 200mA to 400mA (0.5 to 1C) charge
termination control recommended
control parameters:
-ΔV : 0-5mV
**DT/dt
: 0.8℃/min (0.5 to 0.9C)
0.8 - 1℃/min (1C)
**TCO
: 45 - 50℃
**Timer
** for ref. only
: 105% nominal input
Service Life
: >500 cycles (IEC standard)
Continuous
Overcharge
: 40mA maximum current for 1 year.
No conspicuous deformation and/or
leakage
Weight
: 8.0g
Internal Resistance
: Average 65mΩ upon fully charged
(Range 48 – 80 mΩ)at 1000Hz
Max. Charging
Voltage
: 1.5V at 40mA charging
Ambient Temperature
Range
: Standard Charge : 0 to 45℃
Fast Charging : 10 to 45℃
Discharge : -20 to 50℃
Storage : -20 to 35℃
Fast Charge (Charge control required)
High Rate Discharge
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 those
described here, please consult your nearest GP Sales and Marketing
Office or Distributors.
www.gpbatteries.com
TRS0219 Rev.06
Manufacturer reserves the right to alter or amend the design, model and specification without prior notice.
Copyright@GPI International Ltd. – All rights reserved
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
0 2 4
6 8 10 12 14
Discharge Time (Hrs)
Low Rate Discharge
200mA
(0.5C)
40mA
(0.1C)
80mA
(0.2C)
Charge:40mA x 16hrs at 20°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
Charge:40mA x 16hrs at 20°C
400mA
(1C)
200mA
(
0.5C
)
400mA
(1C)
Voltage (V)
1200mA
(3C)
800mA
(2C)