1、 INCH - POUND MIL - PRF - 49471B(CR) 30 November 2000 Superseding MIL - PRF - 49471A(ER) 1 October 1998 PERFORMANCE SPECIFICATION BATTERIES, NON - RECHARGEABLE, HIGH PERFORMANCE This specification is approved for u se within Army Communications - Electronics Command, Department of the Army, and is a
2、vailable for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope . This specification covers non - rechargeable batteries of the non - rese rve type composed of electrochemical cells (see 6.1). 1.2 Classification . 1.2.1 Type designation . The type designation of non
3、 - rechargeable batteries should be in the following form (see applicable specification sheet). For example: BA - 559 0 A /U _ _ _ Component Battery Type Version Installation number indicator (1.2.1.1) (1.2.1.2) (1.2.1.2.1) (1.2.1.3) 1.2.1.1 Component . Non - rechargeable batteries are identified by
4、 the two - letter symbol “BA“ followed by a hyphen. AMSC N/A FSC 6135 DISTRIBUTION STATEMENT A . Approved for pu blic release; distribution is unlimited. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addres
5、sed to: Commander, US Army Communications Electronics Command, ATTN: AMSEL - LC - LEO - E - EP, Fort Monmouth, New Jersey 07703, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. Copyright Communications - Electronics Comman
6、d Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 49471B(CR) 21.2.1.2 Battery type number . The battery type number identifies the basic design of the battery (see 3.1) and consists of a four digit number. 1.2.1.2.
7、1 Version . When required by the procurement documentatio n, this letter designation is used to identify some slight modification (i.e., package quantity, additional features, etc.) that does not affect the basic form, fit, or function. 1.2.1.3 Installation indicator . The installation indicator ide
8、ntifies equ ipment the battery is used in, i.e., /PRC - 25 or if “universal“, i.e., /U indicates use in various equipment. 2. APPLICABLE DOCUMENTS 2.1 Government documents . The documents listed in this section are specified in sections 3 and 4 of this specificatio n. This section does not include d
9、ocuments cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 o
10、f this specification, whether or not they are listed. 2.2 Government documents . 2.2.1 Specifications, standards, and handbooks . The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these docume
11、nts are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement t hereto, cited in the solicitation. (See Supplement 1 for list of associated specifications sheets.) (Unless otherwise indicated, copies of the above specifications, standard
12、s, and handbooks are available from the Standardization Document Order Desk , 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111 - 5094.) 2.2.2 Other Government documents, drawings, and publications . The following other Government documents, drawings, and publications form a part of this docum
13、ent to the extent specified her ein. Unless otherwise specificd, the issues are those cited in the solicitation. Drawings SM - D - 687888 Connector, Battery, Miniature, Pin Contact, Receptacle fro Electronic Case (Flange Mount) (Copies of this drawing are available from Commander, C ommunications El
14、ectronics Command, ATTN: AMSEL - LC - P - PST, Fort Monmouth, NJ 07703.) Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 49471B(CR) 32.3 Non - Government publications
15、. The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the d ocuments which are DoD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not liste
16、d in the DODISS are the issues of the documents cited in the solicitation. UL - 1642 Standard for Safety, Lithium Batteries UL 94, Standard for Safety, Test for Flammability of Plastic Materials for Parts in Devices and Appliances (Applications for copies should be addressed to the Underwriters Labo
17、ratories, Inc., 333 Pfingsten Road, Northbrook, IL 60062 - 2096.) 2.4 Order of precedence . In the event of a conflict between the text of this specification and the references cited herein except for specification sheets, the text of this specification takes precedence. Nothing in this specificatio
18、 n, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Specification sheets . The individual item requirements shall be as specified herein and in accordance with the applicable specif ication sheets. In the event of any conflict be
19、tween the requirements of this specification and the specification sheet, the latter shall govern. 3.2 First article . When specified (see 6.2), a sample shall be subjected to first article inspection in a ccordance with 4.4. 3.3 Materials . 3.3.1 Metals . All metals which do not enter into the basi
20、c electrochemical reaction of the cell shall resist, or be treated to resist, corrosion. Protection of metals from corrosion shall be certified. 3.3.1.1 Dissimilar metals . When dissimilar metals are used in intimate contact with each other, protection against electrolysis shall be provided. When ap
21、plicable, certification shall be provided. 3.3.2 Compounds - flow or shrinking . When tested as specified in 4.7.14 the insulating, impregnating, potting and sealing compounds shall not flow at high temperature, nor crack or draw away from the sides of a container at low temperature. Any compound us
22、ed shall be non -flammable and non - toxic. The non - flammable and non - toxic nature of all compounds used shall be certified. Compounds shall not inhibit the operation of any safety features (see 3.4.4.1.and 4.7.10.1). Copyright Communications - Electronics Command Provided by IHS under license w
23、ith CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 49471B(CR) 43.3.2.1 Electrical connection wires and tabs . All electrical connecting wires and tabs for the cells and the battery shall be covered by an insulation with the following characteristic
24、s: Softening temperature: 302 o F (150 o C) minimum Lengthwise shrinkage: 3% maximum after application Thickness: 0.005 inch minimum The material shall be non - flammable and non - toxic. Certification is required. 3.4 Design and construction . Batteries shall be of the design, construction, physica
25、l dimensions, weight, and polarity as specified in the applicable specification sheet. Batteries shall not be con structed using parallel arrangements of cells. 3.4.1 Intercell connections . Intercell connections shall be connected in accordance with the contractors established procedures. These pro
26、cedures shall insure that intercell conductors are insulated to pr event or preclude short circuiting within a multi cell battery. Certification is required. 3.4.2 Shelf life . The manufacturer shall certify that the battery is capable of delivering 85 percent of the minimum capacity (see the applic
27、able specification sheet) after 60 months of casual storage. 3.4.3 Insulation resistance (battery terminals and cell series string) . Terminals shall be as specified on the applicable specification sheet and insulation resistance of completed batteries and cell series str ings shall be not less than
28、 25 megohms when tested as specified in 4.7.8. 3.4.4 Safety Features 3.4.4.1 Containers . Cell containers shall be capable of releasing excess pressure due to heating (in excess of 205 F) or short circuits to prevent explosio ns and expulsion of cell components. The pressure required to test shall b
29、e determined by the contractor using internal cell pressure equivalents between 205F and 300F (use of limits within these extremes is permitted). The pressure limits so determine d shall be included in the First Article Test Plan along with the calculations used for them. When tested per 4.7.10.1, c
30、ell containers shall remain closed at the lower pressure value and shall open only as designed at the higher pressure determined. 3.4 .4.2 Cells . Cells shall not burn, emit flame, or explode due to excessive heating, short circuit, or other conditions. This shall be verified when tested per 4.7.10.
31、2, 4.7.10.3, 4.7.10.4 or 4.7.10.5. 3.4.4.3 Overload Protection . When specified (see a pplicable specification sheet) each battery shall be protected from overload conditions to prevent leakage, bulging, venting, ruptures, or burning of any cell within the battery when subjected to a direct short (s
32、ee 4.7.10.3). Each Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 49471B(CR) 5battery shall be protec ted from bulging, venting, ruptures, leakage, or burning when su
33、bjected to the overload discharge rate specified in its applicable specification sheet (see 4.7.10.4). When tested per 4.7.10.4, each battery shall be capable of maintaining the load for a mi nimum of 10 seconds and shall not leak, vent, bulge, rupture or burn. 3.4.4.4 Abuse Protection . Batteries s
34、hall not vent, rupture, burn, leak or bulge when subjected to heat, intermittent discharge, and environmental stress. When subjected to the te st in 4.7.10.5: batteries shall not fall below the cut - off voltage, after the initial voltage delay, during the abuse testing predischarge; batteries shall
35、 meet the visual and mechanical criteria of Categories 002, 101, and 102 of Table V and the battery v oltage requirements of 3.5.1 after heat exposure and after vibration testing; Batteries shall complete a minimum of 30 minutes on the pulse discharge test above cut - off voltage and shall complete
36、the pulse discharge test without experiencing open circuits from any safety devices that may be used before reaching the specified cut - off voltage (see applicable specification sheet). 3.4.5 High temperature protection . When specified in the applicable specification sheet, e ach battery shall be
37、protected from o vertemperature conditions that could result in burning, venting, ruptures, leakage, or bulging of any cell within the battery. This protection will prevent fires, vents, ruptures, leaks, and bulges due to self - heating during discharge. When tested as specified in 4.7.10.4.1, batte
38、ries shall not leak, bulge, vent, rupture, or burn. 3.4.5.1 Charge protection . Unless otherwise specified (see applicable specification sheet), each battery or each leg in a multi - section battery shall contain protection that prevents reverse currents in excess of 2.0 milliamperes (see 4.7.10.6).
39、 3.4.5.2 Complete discharge device . Unless otherwise specified (see applicable specification sheet), each battery shall be equipped with a device capable of rendering the batter y nonreactive after use so that it will qualify as Non Hazardous Solid Waste for disposal purposes in accordance with Res
40、ource Conservation and Recovery Act (RCRA) regulations. The device shall consist of, as a minimum, a load that can discharge the batte ry within 5 days and an actuator for connecting the load with the cells inside the battery. The device shall provide a visual means for determining the status of the
41、 actuator and shall be protected from inadvertent activation. The circuit for the device shall bypass all nonresetable cut - outs and fuses within the battery. When tested per 4.7.10.7, no battery shall have a voltage in excess of 1 volt per cell or 4 volts per section, whichever is less, at the end
42、 of the five day storage period. No cell with in the batteries shall vent, rupture, leak, bulge, or burn during or after complete discharge. 3.4.6 State of charge . The battery shall contain a state of charge indicator, when specified (see applicable specification sheet). The state of charge ind ica
43、tor shall indicate the highest state of charge when tested prior to capacity testing. During testing per 4.7.17, the indications shall indicate the correct state of charge corresponding to the level of discharge at each stage of the test. After disch arge, the indicator shall indicate the lowest lev
44、el of indication. If any battery fails any one reading, the batteries have failed the test. As a minimum, the state of charge shall be displayed as three distinct ranges of remaining capacity in the batter y (see 4.7.17). Copyright Communications - Electronics Command Provided by IHS under license w
45、ith CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 49471B(CR) 6Incorporation of more ranges beyond these three is permitted. The minimum three ranges shall be: 1) less than 40 percent 2) 40 to 70 percent 3) greater than 70 percent 3.4.6.1 State of
46、charge indicator . When specified (see applicable specification sheet), the location of the State of Charge Indicator (SOCI) shall be determined by the contractor and shall be uniform throughout contract performance. A label or equivalent that clearly indicates the method for interpreting the SOCI s
47、hall be located on the same face of the battery as the SOCI. 3.4.7 Battery enclosure . Battery enclosures shall be built with plastic materials classified HB per UL Standard 94, Test for Flammability of Plastic Materials for Parts in Devices and A ppliances, except as otherwise noted herein. The gov
48、ernment reserves the right to require verification tests to ensure nonflammable battery enclosures. If the contractor elects to use a material that doesnt have HB classification, then the test of 4.7.1 1 shall be performed. Enclosure material used shall be non - metallic. When tested per 4.7.11, the
49、 test specimen shall self - extinguish within 5 seconds after removal from the flame. 3.4.7.1 Color of enclosures . The plastic sections of the enclosure for each battery shall be uniform in color. The color of exposed surfaces of enclosures shall be lusterless green. Examples of lusterless greens may be found in 6.5. The lusterless green chosen for each battery type on contract shall be identified either i n the First Article Test Rep
