| Cell Type N-4U   Specifications   Nominal Capacity   Nominal Voltage   Charging Current   Charging Time   250mAh   1.2V   25mA   14 to 16Hrs.   Charge   0°C to +45°C [ +32°F to 113°F ]   -20°C to +60°C [ -4°F to 140°F ]   -30°C to +50°C [ -22°F to 122°F ]   Ambient   Temperature   Discharge   Storage   Weight   11g/ 0.39   oz   10.5   0.41   × 44.0   mm   inch   Dimensions(D)×(H)   (with tube)   × 1.73   Typical Characteristics   Charge   Discharge(at high rate)   Charge : 25mA   0°C/32°F   Charge : 25mA × 16Hrs.   1.6   1.5   1.4   1.3   1.2   1.4   1.2   1.0   0.8   0.6   at 20°C/68°F   20°C/68°F   45°C/113°F   (8 It)   (4 It)   0 2 4 6 8 10   12   14   16   16   80   0 2 4 6 8 10   12   14   16   Charge Time (Hrs.)   Discharge Time (Mins)   Discharge(at low rate)   Temperature(Charge & Discharge)   110   100   90   Charge : 25mA × 16Hrs.   1.4   1.2   1.0   at 20°C/68°F   80   Charge Characteristics   Discharge Characteristics   70   60   50   40   30   Condition   Charge : 25mA × 16Hrs.   Discharge : 50mA   (End Volt 1.0V)   { 0.8   (0.5 It)   (0.2 It)   (0.1 It)   0.6   -20   -4   -10   14   0 32   10   50   20   68   30   86   40   104   50   122   60 °C   140 °F   0 2 4 6 8 10   12   14   Operating Temperature   Discharge Time (Hrs.)   Discharge(at high rate)   Charge : 25mA × 16Hrs.   1.4   1.2   1.0   0.8   0.6   at 20°C/68°F   (2 It)   (1 It)   0 10   20   30   40   50   60   70   Discharge Time (Mins)   CD010919   |