
Typ e 
Nominal Dimension 
(with Sleeve) 
Applications 
Nominal Voltage 
Capacity 
Charging Condition 
Fast Charge 
Service Life 
Continuous 
Overcharge 
Weight 
Internal Resistance 
Max. Charging 
Voltage 
Ambient Temperature 
Range 
Fast Charge (Charge control required) 
Voltage (V)
1.6
650mA 
(1C) 
1.5
: Rechargeable Nickel Metal 
 Hydride Cylindrical Cell 
: Φ = 10.5mm 
 H = 44.5mm 
: Recommended discharge current 
 65 to 1950mA 
: 1.2V 
: Nominal: 650mAh 
 Minimum: 630mAh 
 Typical: 650mAh 
 When discharged at 130mA to 
 1.0V at 20℃  
: 65mA for 16 hrs at 20℃  
: 325mA to 650mA (0.5 to 1C) charge  
 termination control recommended 
 control parameters: 
-∆V : 0-5mV 
**DT/dt 
**TCO 
**Timer 
** for ref. only 
: >500 cycles (IEC standard) 
: 65mA maximum current for 1 year. 
 No conspicuous deformation and/or 
 leakage 
: 13.0g 
: Average 35mΩ upon fully charged  
 (Range 20 – 50mΩ) at 1000Hz 
: 1.5V at 65mA charging 
: Standard Charge : 0 to 45℃  
 Fast Charging : 10 to 45℃  
 Discharge : -20 to 50℃  
 Storage : -20 to 35℃ 
: 0.8℃/min (0.5 to 0.9C) 
 0.8 - 1℃/min (1C) 
: 45 - 50℃  
: 105% nominal input  
Model No.:
Low Rate Discharge 
1.5 
1.4 
1.3 
1.2 
1.1 
1 
0.9 
0.8 
0.7 
325mA
(0.5C)
0  2  4  6  8  10  12  14 
High Rate Discharge 
GP65AAAHC
Charge:65mA x 16hrs at 20°C
(0.2C)
130mA
Discharge Time (Hrs) 
Charge:65mA x 16hrs at 20oC
65mA
(0.1C)
1.4
325mA 
0.5C) 
1950mA 
(3C) 
1300mA 
(2C) 
650mA 
(1C) 
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. 
TRS0326 Rev.06
1.3
1.2
1.1 
0 20 40 60 80 100 120 140 16
Capacity Input ( % )
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Manufacturer reserves the right to alter or amend the design, model and specification without prior notice. 
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