1、 INCH - POUND MIL - PRF - 32052(CR) 7 December 1999 PERFORMANCE SPECIFICATION BATTERIES, RECHARGEABLE, SEALED General Specification For This specification is approved for use by U.S. Army Communications Electronics Command, Department of the Army, and is available for use by all Departments and Agen
2、cies of the Department of Defense. 1. SCOPE 1.1 Scope . This specification covers portable, sealed rechargeable batteries. Detailed electrical and physical requirements for individual batteries are speci fied on specification sheets. 1.2 Classification . 1.2.1 Type designation . The type designation
3、, sealed rechargeable batteries will be in the following form (see 3.1). For example, BB - XX90 /U _ _ _ Component (1.2.1.1) Battery numbe r (1.2.1.2) Installation indicator (1.2.1.3) 1.2.1.1 Component . Rechargeable batteries are identified by the two - letter symbol “BB“ followed by a hyphen. Bene
4、ficial comments (recommendation, additions, deletions) and any pertinent data which may be o f use in improving this document should be addressed to: Commander, US Army CECOM, ATTN: AMSEL - LC - LEO - E - EP, Fort Monmouth, New Jersey 07703, by using the Standardization Document Improvement Proposal
5、 (DD Form 1426) appearing at the end of this document o r by letter. AMSC N/A 1 of 24 FSC 6140 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 net
6、working permitted without license from IHS-,-,-MIL - PRF - 32052(CR) 2 1.2.1.2 Battery type number . The battery type number identifies the basic design of the battery (see 3.1) and consists of a three or four digit number depending upon the chemistry of the battery. 1.2.1.3 Installation indicator .
7、 The installation indicator identifies equipment the battery is used in, i.e. /TAS or if “universal“, i.e. /U indicates use in various equipment. 2 . APPLICABLE DOCUMENTS 2.1 General . The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not
8、 include documents cited in other sections of this specification or recommended for additional infor mation 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 section
9、s 3 and 4 of 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 t
10、hese doc uments are those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation (see 6.2). Department of Defense Standards MIL - STD 202 Test Methods for Electronic and El ectrical Component Parts MIL - STD -
11、 810 Environmental Test Methods and Engineering Guidelines (See supplement 1 for list of specification sheets) (Unless otherwise indicated, copies of the above specifications and standards are available from the Standar dization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA
12、19111 - 5094.) 2.2 Non - Government publications . The following document forms a part of this document to the extent specified herein. Unless otherwise specified, the issues o f the documents which are DoD adopted are those listed in the issue of the DoDISS cited in solicitation. Unless otherwise s
13、pecified, the issues of documents not listed in the DoDISS are the issues of the documents cited in the solicitation (see 6.2). UL - 1642 Lithium Batteries (Applications for copies should be addressed to the Underwriters Laboratories, Inc., 333 Pfingsten Road, Northbrook, IL 60062 - 2096.) Copyright
14、 Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 32052(CR) 3 2.3 Order of precedence . In the event of a conflict between the text of this document and the references cited here
15、in (except for related associated detail specifications or specification sheets), the text of this specification takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemp tion has been obtained. 3. REQUIREMENTS 3.1 Specification sheets .
16、The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet. In the event of any conflict between the requirements of this specification and the specification sheet, the latter shall govern. 3.2 First Article requirements . When specified (
17、see 6.2), a sample shall be subjected to first article inspection in accordance with 4.3. 3.3 Materials . 3.3.1 Metals . All metals wh ich do not enter into the basic electrochemical reaction of the cell shall resist, or be treated to resist, corrosion. 3.3.1.1 Dissimilar metals . When dissimilar me
18、tals which would adversely affect battery performance are used in intimate contact with e ach other, protection against electrolysis and corrosion shall be provided. 3.3.2. Electrical connection wires and tabs . All electrical connecting wires and tabs for the cells and the battery shall be able to
19、carry the current specified in specification sheet and shall be covered by an insulation with the following characteristics: 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 a nd no
20、n - toxic. 3.3.3 Insulation resistance . Terminals shall be as specified on the applicable specification sheet (see 3.1) and insulation resistance shall be less than 25 megohms when tested as specified in 4.6. 3.4 Visual and mechanical . Batteries s hall be inspected to meet the requirements of 3.4.
21、1 through 3.4.7, and 3.5 (see 4.4.2.1). 3.4.1 Hardware . Hardware shall be in accordance with the following subparagraph. 3.4.1.1 Mounting screws for connector . When applicable (see 3.1), two (2) mount ing screws shall be furnished with the battery connector. Mounting screws shall be tightened so a
22、s not to impede the sideways movement of the connector. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 32052(CR) 4 3.4.2 Pressure release device . Unless specified ot
23、herwise in the applicable specification sheet a pr essure release device shall be incorporated into the battery. This device shall be designed to release below the bursting pressure of the container and above the normal operating pressure of the battery. The device is intended to function only as an
24、 emer gency release to protect the battery against abnormal pressure build - up. The design of the battery shall be such that the paths from the individual cell units to the battery vent are sufficient to permit the removal of gases (see 4.10). 3.4.3 Battery Case, (see 3.1). Battery case shall be ca
25、pable of maintaining the specified dimensions during the life of the battery. The surfaces of cases shall have a smooth finish free from pitting, blow - holes, rough spots, or other deformations. The case shall be fabricated of material having sufficient strength to withstand the environmental and e
26、lectrical tests specified herein. The battery case shall be a material that does not support combustion when subjected to flame. 3.4.4 Marking . Each battery shall be provided with a permanent, legible hot - stamped or printed identification label. Direct printing on the battery is the preferred met
27、hod. For rectangular batteries, the marking may be placed on more than one surface. 3.4.4.1 Identification label . The identification label shall contain the following information. The information in parentheses shall be filled in by the manufacturer. BATTERY, RECHARGEABLE, (Battery Nomenclature) (C
28、hemistry) (Battery Voltage) (Full Capacity Rating) (NSN) (Contract Numbe r) (Date Code) (Serial Number) (Manufacturer) (Location) (Charging Instructions) BATTERY TEMPERATURE SHOULD BE BETWEEN 40 o F (5 o C) AND 100 o F (38 o C) DURING CHARGE. LOWER TEMPERATURE CHARGING IS PERMITTED BUT RUNTIMES WILL
29、 BE LOWER. WARNING/STORAGE DO NOT S TORE ABOVE 122 o F (50 o C), CRUSH, MUTILATE, REVERSE POLARITY, DISASSEMBLE, OR DISPOSE OF IN FIRE. 3.4.4.2 Date of manufacture code . The code shown shall indicate the month and year of manufacture of the battery by means of a four - digit number in which th e fi
30、rst two digits shall indicate the number of the month and the last two digits shall indicate the year. Months earlier than the tenth month shall be a single digit preceded by “O“. When a battery is completed during Copyright Communications - Electronics Command Provided by IHS under license with CRA
31、INot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 32052(CR) 5 the last three working days of a mo nth or the first three working days of the subsequent month, the manufacturer is permitted to use either month as the coded month of manufacture. 3.4.4.3 Te
32、rminal marking . Where applicable, positive terminals shall be legibly indicated by “+“, and nega tive terminals shall be identified by “ - “. The polarity markings shall be placed as close as possible to the applicable side of the receptacle. A schematic drawing shall be placed as close as possible
33、 to the receptacle as shown on the applicable specific ation sheet. 3.4.4.4 Instructions . Each battery shall be furnished with complete instructions for operation and charging of the battery either on a label or printed on the battery. Direct printing on the battery is the preferred method. 3.4.5 C
34、onnect or . Battery connector shall be as shown on the applicable specification sheet. 3.4.6 Color . The color of the battery container shall be lusterless green, closest to chip No. 34087 or 34088 per FED - STD - 595 or as otherwise stated on individual battery dr awings or on the applicable specif
35、ication sheet (see 3.1). Additional battery case marking may be required (see 6.2). 3.4.7 Battery condition for shipping . The battery shall be furnished in a charged state (see 6.3.1) with instructions attached to each battery and a dust cap or cover over the receptacle. 3.4.8 Writable label . A wr
36、itable/erasable label shall be attached to each battery. This rectangular label shall state “User Info“ and contain an area that allows writing and erasing multiple times. The label shall be a minimum of 1 inch X 13/16 inch. 3.5 Cells . The battery shall be made up of the required number of individu
37、al series and /or parallel connected cells, which have demonstrated their capability to meet the specified electrical requir ements. First Article requirements are outlined in Table III. When two or more cells are connected in parallel together in the battery, they are considered a single cell. 3.5.
38、1 Cell balance . The capacities of the individual cells used in each battery shall no t vary by more than 5% from the average capacity value of the cells in that particular battery (see 4.2). 3.5.2 Protective coverings . Batteries shall be fabricated of cells, which have an individual protective sle
39、eving or coating. 3.5.3 Cell safety A single cell that does not contain any electronics shall meet all the safety requirement listed below: 3.5.3.1 Cell overcharge . After being subjected to the test as specified in 4.4.2.3.1 the cell shall not explode or catch fire or spark. No electro des or separ
40、ator material of the cell shall be outside of the cell case. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 32052(CR) 6 3.5.3.2 Cell short circuit. After being subjec
41、ted to the test as specified in 4.4.2.3.2 the cell shall not explode or catch fire or spark. 3.5.3.3 Cell Forced - Discharge . After a single cell in the string has been subjected to the test as specified in paragraph 4.4.2.3.3 , there shall be no leaking, venting, fire or explosion. 3.6 Dimensions
42、and weights . The dimensions and weights of batteries shall be as shown on the applic able specification sheets. Dimensions shall be gauged or measured accurately to determine conformance (see 4.5.6). 3.7 Attitude . The battery shall be designed for operation in any position and shall meet the speci
43、fied capacity, voltage and electrolyte leakage requirements (see 3.1). 3.8 Chemical requirements . 3.8.1 Corrosion resistance . External parts of the battery shall show no evidence of cracking, pitting, chipping, scaling, corrosion or other deleterious effects after being tested as specifie d herein
44、. 3.8.2 Resistance of elastomer materials . All elastomer materials used in the battery shall show no cracks, blisters or other deterioration, nor cause degradation of battery performance. 3.9 Temperature requirements . 3.9.1 Operating . The battery shall meet the temperature performance requirement
45、s of the applicable specification sheet (see 3.1). 3.9.2 Non - operating . The battery shall show no evidence of breaking or cracking of the case or cover when subjected to thermal shock temperatur e cycling in the range of 160 o F (71 o C) to - 75 o F( - 59 o C) (see 4.8.1). 3.10 Electrical require
46、ments . 3.10.1 Electrical leakage . Unless otherwise specified (see 3.1), no potential in excess of 0.5 volts shall be obtained from the case or non - connected ter minal to any terminal when tested in accordance with 4.9. 3.10.2 Battery voltage . When charged briefly (4.4.2.2), the battery voltage
47、at 10 seconds of charge shall be no greater than the number of cells in series per battery, (N), times 1.5 V/cell for alkaline base battery or N times 4.2V/cell for lithium base battery nor less than N times 1.2 V/cell for alkaline base battery or N times 2.5 V/cell for lithium base battery(see 4.4.
48、2.2). 3.11 Performance . The discharge current in amperes for each disch arge shall be the value listed in the applicable sheet. The temperature of discharge and the minimum end voltage shall be the Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleN
49、o reproduction or networking permitted without license from IHS-,-,-MIL - PRF - 32052(CR) 7 value listed in the applicable specification sheet. Inability to meet the specified minimum requirements shall constitute a failu re. 3.12 Environmental requirements . The battery when subjected to the tests listed in Table I that are required by the applicable specification sheet shall show no: a. Dimensional distortion beyond specified limits. b. Sha
