Cell Type KF-B650 Specifications Nominal Capacity Nominal Voltage W w L T 47.5 ±0.3 1.870 ±0.012 16.4 ±0.2 W 0.646 ±0.008 7.8 ±0.2 T 0.307 ±0.008 3.5 w 0.138 L Dimensions of Bare Cell mm inch mm inch mm inch mm inch 650mAh 1.2V Standard 65mA Charging Current Quick 130mA Fast 975mA Standard 14 to 16Hrs. Charging Time Quick 7 to 8Hrs. Fast about 1Hr. Standard 0°C to +45°C [+32°F to 113°F] Charge Quick 0°C to +45°C [+32°F to 113°F] Ambient Fast 0°C to +45°C [+32°F to 113°F] Temperature Discharge -20°C to +60°C [ -4°F to 140°F] Storage -30°C to +50°C [ -22°F to 122°F] Internal Impedance (Av.) 16.0mΩ (at. 50% discharge) (at 1000Hz) Weight 22g/0.78oz 0 0 (L) 48.0 -0.8 mm 1.89 -0.03 inch Dimensions(D)×(H) 0 0 (W) 17.2 -0.8 mm 0.68 -0.03 inch (with tube) 0 0 (T) 8.5 -0.7 mm 0.33 -0.03 inch Typical Characteristics Discharge (at high rate) Charge Charge : 65mA 1.6 Charge : 65mA×16Hrs. at 20˚C/68˚F 1.4 1.5 20˚C/68˚F 1.4 40˚C/104˚F Cell Voltage (V) Cell Voltage (V) 0˚C/32˚F 1.3 1.2 1.0 0.8 0 2 4 6 8 10 12 14 16 (2 It) 0 10 20 Charge Time (Hrs.) 30 (1 It) 40 50 Temperature : 20˚C/68˚F 1.6 80 Charge : 65mA×16Hrs. at 20˚C/68˚F 1.4 1.5 It 1.5 Cell Voltage (V) Cell Voltage (V) 70 Discharge (at high rate) Charge 0.2 It 0.1 It 1.4 1.3 1.2 1.0 0.8 0 20 40 60 80 100 120 140 160 (4 It) 0 2 4 Charge Input (%) Available Capacity (%) Charge : 65mA×16Hrs. at 20˚C/68˚F 1.2 1.0 (0.5 It) 0 2 8 10 12 14 40 104 50 122 16 Temperature (Charge & Discharge) 1.4 0.8 6 Discharge Time (Mins) Discharge (at low rate) Cell Voltage (V) 60 Discharge Time (Mins) (0.2 It) 4 6 8 10 90 80 Charge Characteristics Discharge Characteristics Condition Charge : 65mA×16Hrs. Discharge : 130mA (End Volt 1.0V) 70 60 50 40 (0.1 It) Discharge Time (Hrs.) 100 12 14 16 -20 -4 -10 14 0 32 10 50 20 68 30 86 60˚C 140˚F Operating Temperature CD011024