1、 INCH - POUND MIL - PRF - 49471/9A(CR) 30 November 2000 Superseding MIL - PRF - 49471/9(ER) 2 June 1995 PERFORMANCE SPECIFICATION SHEET BATTERY, NON - RECHARGEABLE, LITHIUM MANGANESE DIOXIDE, HIGH PERFORMANCE, BA - 5372/U This specification sheet is approved for use by the Communications Elect ronic
2、s Command, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification and MIL - PRF - 49471(CR). Figure 1: Battery Dimensions and terminal markings. AMS
3、C N/A 1 of 4 FSC 6135 DISTRIBUTION STATEMENT A . Approved for public release; distribution is unlimited. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49471/9A(CR) 2 NOT
4、ES: 1. All dimensions are in inches. 2. Terminals are flat contact type. REQUIREMEN TS : Dimensions and configuration: See Figure 1. Maximum voltage: 6.80 volts under 1250 ohms. Cut - off voltage (for capacity): 4.0 volts. Terminals: See figure 1. Weight (maximum): 0.7 ounces (20 grams). Battery sho
5、rt circuit test: Not applicable . High temperature protection: Not applicable. Charge protection: Not applicable. Complete discharge device: Not applicable. State of Charge Indicator: Not applicable. Positive terminal: When the battery is placed on a flat surface, positive ter minal down, only the t
6、erminal shall be in contact with the flat surface. This test shall be performed during First Article on group II samples, after the visual - mechanical examinations, and during Quality Conformance Inspection group B. No failures allow ed. Capacity tests: When the battery is tested in accordance with
7、 the methods of examination and tests of this specification, the minimum capacity test requirements shall be as specified below. Capacity Test Minimum Capacity in Hours to 4.0 volts I 100 L 75 H 100 HT 95 LT 60 IT 95 Copyright Communications - Electronics Command Provided by IHS under license with C
8、RAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49471/9A(CR) 3 Initial voltage delay : When the battery is subjected to any of the capacity tests, initial closed -circuit voltages below 4.0 volts cannot exceed a 0.1 second duration. METHOD OF EXAMINATION
9、 AND TESTS : Capacity T ests: (1) Storage: Details on storage conditions for all specified capacity tests are described in basic specification. (2) Discharge: Cells (forced discharge): One cell shall be discharged at 4.5 milliamperes at 70 + 5 o F to 2.0 volts. Each discharg ed cell shall then be co
10、nnected in series to one fresh cell. Each string shall be discharged at 4.5 milliamperes at 70 + 5 o F for 100 hours. Batteries: Batteries shall be discharged at 4.5 milliamperes to cut - off voltage (zero volts for I test). Forced di scharge: After discharge to zero volts on the I capacity test, ba
11、tteries shall be force discharged at 4.5 milliamperes for a minimum of 5 minutes. Abuse test, predischarge: Designated samples shall be discharged at 4.5 milliamperes for 50 hours. Abuse te st, pulse discharge: Batteries shall be discharged at 5.5 milliamperes for 1 minute followed by 4 milliamperes
12、 for 4 minutes, cycled continuously to cut - off voltage. Closed circuit voltage test: Battery & cell string: Load resistance of 298.2 ohms shall be used. Voltage shall be above 5.0 volts within 10 seconds. Cell: Load resistance of 150 ohms shall be used. Voltage shall be above 2.0 volts in 5 second
13、s. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-49471/9A(CR) 4 Special marking: The following information shall be marked on each unit package: TO TEST T HIS BATTERY WI
14、TH TS - 183( ) /U USE JACK NR . MINIMUM PERMISSIBLE VOLTAGE 12 5.0 volts Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodian: Preparing Activity Army CR Army - CR (Project 6135 - 0417 - 09) Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
