Cell Type KR-CH(2.5) Specifications Nominal Capacity 2500mAh Nominal Voltage 1.2V Charging Current D d Charging Time D d 83mA Standard 250mA Trickle above 48Hrs. Standard 14 to 16Hrs. 0 C to +70C [ +32F to 158F ] Charge Ambient Discharge Temperature Storage H H Dimensions of Bare Cell Trickle 49.0 0.3 1.929 0.012 25.2 0.3 0.992 0.012 10 0.394 mm inch mm inch mm inch -20C to +70C [ -4F to 158F ] -30C to +70C [ -22F to 158F ] 6.5m (at 1000Hz) Internal Impedance (Av.) (at. 50% discharge) 75g/ 2.65oz Weight Dimensions(D)x x (H) (with tube) 26.0 0 -0.8 x 50.0 0 -1.3 mm 1.02 0 -0.03 x 1.97 0 -0.05 inch Typical Characteristics Discharge(at high rate) 1.6 Charge : 83mA 0C/32F 1.4 1.5 20C/68F 1.2 Cell Voltage (V) Cell Voltage (V) Charge 40C/104F 1.4 60C/140F 1.3 Charge : 250mAx16Hrs. at 20C/68F 1.0 0.8 (2 It) (1 It) 0.6 1.2 0 8 16 24 32 40 0 48 10 20 30 40 50 Charge 70 80 Discharge(at high rate) Charge : 250mA Charge : 83mAx48Hrs. Charge : 83mAx24Hrs. 1.4 1.6 0C/32F 20C/68F 1.5 Cell Voltage (V) Cell Voltage (V) 60 Discharge Time (Mins) Charge Time (Hrs.) 45C/113F 1.4 60C/140F 1.3 1.2 Discharge : 2500mA at 45C/113F 1.2 1 0.8 0.6 0 2 4 6 8 10 12 14 16 0 10 20 Charge Time (Hrs.) 30 40 50 60 70 80 Discharge Time (Mins) Discharge(at low rate) Temperature(Charge & Discharge) 110 Charge : 250mAx16Hrs. at 20C/68F 100 Available Capacity (%) Cell Voltage (V) 1.4 1.2 1.0 0.8 (0.5 It) (0.2 It) (0.1 It) 90 80 Charge Characteristics Discharge Characteristics 70 60 Condition 50 40 { Charge : 83mAx48Hrs. Discharge : 500mA (End Volt 1.0V) 30 0.6 0 2 4 6 8 10 Discharge Time (Hrs.) 12 14 16 -20 -4 -10 14 0 32 10 50 20 68 30 86 40 104 50 122 60 140 70C 158F Operating Temperature CD030825