PRODUCT DATASHEET 1-800-383-7323 USA/CAN www.energizer.com ENERGIZER NH50-2500 D Specifications Classification: Chemical System: Designation: Nominal Voltage: Rated Capacity: Typical Weight: Typical Volume: Terminals: Jacket: Industry Standard Dimensions mm (inches) Rechargeable Nickel-Metal Hydride (NiMH) ANSI-1.2H4 1.2 Volts 2500 mAh* at 21°C (70°F) 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 34.20 (1.346) 32.30 (1.272) 1.50 (0.059) Minimum Internal Resistance: (+) The internal resistance of the cell varies with state of charge, as follows: Cell 1/2 Discharged Cell Charged 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 21ºC (70ºF) 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 5000 mA (2.0C) 1.0 2500 mA (1.0C) Charge: Discharge: Storage: Humidity: 1250 mA (0.5C) 0.5 1.0 1.5 Hours of Discharge 0ºC to 40ºC (32ºF to 104ºF) 0ºC to 50ºC (32ºF to 122ºF) -20ºC to 30ºC (-4ºF to 86ºF) 65±20% 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 2.0 2.5 Important Notice This data sheet contains typical information specific to products manufactured at the time of its publication. ©Energizer Holdings, Inc. - Contents herein do not constitute a warranty. Form No. EBC - 7104J Page 1 of 1