PRODUCT DATASHEET ENERGIZER NH50-2500 (HR20) Classification: Chemical System: Designation: Nominal Voltage: Rated Capacity: Typical Weight: Typical Volume: Terminals: Jacket: Industry Standard Dimensions mm (inches) D Specifications Rechargeable Nickel-Metal Hydride (NiMH) ANSI-1.2H4 1.2 Volts 2500 mAh* at 21C (70F) 73.0 grams (2.6 oz.) 57.0 cubic centimeters (3.5 cubic inch) Flat Contact Plastic * Based on 500 mA (0.2C rate) continuous discharge to 1.0 volts. 9.50 (0.374) Maximum 1.50 (0.059) Minimum 34.20 (1.346) 32.30 (1.272) Internal Resistance: (+) The internal resistance of the cell varies with state of charge, as follows: Cell Charged Cell 1/2 Discharged 11 milliohms 21 milliohms (tolerance of 20% applies to above values) 61.50 (2.421) 59.50 (2.343) (-) AC Impedance (no load): 18.0 (0.709) Minimum The impedance of the charged cell varies with frequency, as follows: Discharge Characteristics Frequency (Hz) Typical Performance at 21C (70F) 1.4 1000 Cell Voltage 1.3 250 mA (0.1C) 1.2 Above values based on AC current set at 1.0 ampere. Value tolerances are 20%. 500 mA (0.2C) 1.1 1.0 0.9 0 3 6 Hours of Discharge 9 12 1.3 1.2 1.1 2500 mA (1.0C) 5000 mA (2.0C) 1.0 Charge: Discharge: Storage: Humidity: 1250 mA (0.5C) 0.5 0C to 40C (32F to 104F) 0C to 50C (32F to 122F) -20C to 30C (-4F to 86F) 6520% NOTE: Operating at extreme temperatures, will significantly impact battery cycle life. 0.9 0.0 Operating and Storage Temperatures: To maintain maximum performance, observe the following general guidelines regarding environmental conditions: 1.4 Cell Voltage Impedance (milliohms) (charged cell) 9 1.0 1.5 2.0 2.5 Hours of Discharge Important Notice This data sheet contains typical information specific to products manufactured at the time of its publication. Contents herein do not constitute a warranty and are for reference only. Form No. NH50-2500GL0218 Page 1 of 1