Pin Type Lithium Batteries (BR Series): Individual Specifications BR425 BR435 Dimensions(mm) Dimensions(mm) 0 4.2 -0.2 0 4.2 -0.2 1.0 1.0 0.05 - 0 35.9 -1.9 0 25.9 -1.9 MIN.3.5 MIN.3.5 + + 0.05 - Weight:0.55g Specification Nominal voltage (V) 3 Nominal capacity (mAh) 25 Weight:0.85g Specification Continuous standard load (mA) 0.5 Operating temperature (C) -20 ~ +60 Nominal voltage (V) 3 Nominal capacity (mAh) 50 Continuous standard load (mA) 1 Operating temperature (C) -20 ~ +60 Temperature Characteristics Temperature Characteristics Load Voltage(V) Voltage(V) Load Duration(h) Duration(h) Operating voltage vs. load resistance (voltage at 50% discharge depth) Operating voltage vs. load resistance (voltage at 50% discharge depth) 2.8 2.8 2.6 2.6 Voltage (V) Voltage (V) 50C 2.4 20C 2.2 -10C 1.8 2 Load: (k) 1.4 (mA) 20C 2.0 2.5 1.2 3 1 4 0.8 5 0.6 6 0.5 7 0.4 8 9 10 0.3 Capacity vs. load resistance 0C -10C 1.8 Load: (k) (mA) 1 2.8 1.5 2.0 2 1.75 1.5 2.5 1.25 3 1.0 4 0.8 0.7 5 0.6 Capacity vs. load resistance 25 50 50C 20 Capacity (mAh) Capacity (mAh) 2.2 0C 2.0 20C 15 10 5 50C 2.4 0C -10C 0 Load: (k ) (mA) 2 1.4 3 1.2 1 4 0.8 Cut-off Voltage: 1.8V 6 7 8 9 10 5 0.6 0.5 0.4 0.3 40 50C 20C 30 20 0C 10 0 Load: (k ) (mA) LITHIUM HANDBOOK -10C 1 2.8 1.5 2.0 1.75 1.5 2 Cut-off Voltage: 1.8V 3 4 5 2.5 1.25 1.0 0.8 0.7 0.6 AUGUST 2005 This information is generally descriptive only and is not intended to make or imply any representation, guarantee or warranty with respect to any cells and batteries. Cell and battery designs/specifications are subject to modification without notice. Contact Panasonic for the latest information.