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ICS29.200

M41

YD

CommunicationsIndustryStandardofthe

People'sRepublicofChina

YD/T799—2010

ReplaceYD/T799-2002

Valve-regulatedleadacidbatteries

fortelecommunications

通信用阀控式密封铅酸蓄电池

(EnglishTranslation)

IssueDate:2010-12–19Implementationdate:2011-01–01

IssuedbyMinistryofIndustryandInformationTechnologyof

thePeople'sRepublicofChina

YD/T799—2010

Foreword

ChinaCommunicationsStandardsAssociation(CCSA)isinchargeofthisEnglishtranslation.

IncaseofanydoubtaboutthecontentsofEnglishtranslation,theChineseoriginalshall

beconsideredauthoritative.

ThisstandardreplacesYD/T799-2002inwhole.

ThefollowingdeviationshavebeenmadewithrespecttotheYD/T799-2002.

——Therequirementsandtestmethodsofequalizationofbatterydischargeterminalvoltage

havebeenadded;

——Therequirementsandtestmethodsofinternaldeviationofthesamegroupofthebatteries

havebeenadded;

——Therequirementsandtestmethodsofoverdischargehavebeenadded;

——Therequirementsandtestmethodsofrechargingperformancehavebeenadded;

——Therequirementsandtestmethodsofcapacityconsistencyhavebeenadded;

——AnnexB,whichliststheupperandlowerreferencevaluesofbatteryweight,hasbeenadded.

Thisstandardisoneoftheseriesofstandardsfortelecommunicationbatteries.Theissued

standardsinthisseriesofstandardsarelistedbelow:

a)YD/T1360Valve-regulatedcolloidbatteryfortelecommunication;

b)YD/T1715Valve-regulatedleadmeshleadacidbatteryfortelecommunications;

Withthedevelopmentoftechnology,therelevantstandardswillbedeveloped,suchas:

Front-terminalvalve-regulatedleadacidbatteryfortelecommunications.

AnnexAandBofthisstandardareinformative.

ThisstandardwasproposedandpreparedbyCCSA.

II

YD/T799—2010

1Scope

Thisstandardspecifiesthemodelnaming,requirements,testmethods,inspectionrules,Sign,

packaging,transportandstorageofvalve-regulatedleadacidbatteriesforcommunications.

Thisstandardisapplicabletovalve-regulatedlead-acidbatteriesforcommunications

(hereinafterreferredtoasbatteries),anditisnotapplicabletobatteriesforoutdoor

communicationspowersupply.

2Normativereferences

Thefollowingnormativedocumentscontainprovisionswhich,throughreferenceinthistext,

constituteprovisionsofthisstandard.Fordatedreferences,subsequentamendments(excluding

corrections),orrevision,ofanyofthesepublicationsdonotapplytothisstandard.However

partiestoagreementsbasedonthisstandardareencouragedtoinvestigatethepossibility

ofapplyingthemostrecenteditionsofthenormativedocumentsindicatedbelow.Forundated

references,thelatesteditionofthenormativedocumentreferredtoapplies.

GB/T2828.1-2003Samplingproceduresforinspectionbyattributes—Part1:Samplingschemes

indexedbyacceptancequalitylimit(AQL)forlot-by-lotinspection;

GB/T2829-2002Samplingproceduresandtablesforperiodicinspectionbyattributes(Apply

totheinspectionofprocessstability);

GB/T3873Generalspecificationsforproductspackagingofcommunicationequipment;

GB/T2408-2008Plastics--Determinationofburningcharacteristics--Horizontalandvertical

test.

3Termsanddefinitions

Forthepurposesofthisstandard,thefollowingtermsanddefinitionsapply.

3.1Valve-regulatedleadacidbattery

Thebatteryshouldbekeptinthestateofgasandliquidtightnesswheninnormaluse.When

theinternalpressureexceedsthepredeterminedvalue,thesafetyvalveopensautomatically,

releasinggas.Whentheinternalpressureisreduced,thesafetyvalveautomaticallycloses

tomakeitsealed,topreventtheexternalairfromenteringthebattery.Duringtheservice

lifeofthebattery,thereisnoneedtoaddelectrolyteundernormaluse.

3.2Fullcharge

Chargethebatteryaccordingtothechargingmethodrecommendedbythemanufacturer(including

chargingterminationdeterminationmethod)andthestoragecapacityinsidethebatteryreaches

themaximum,thatis,itisfullycharged.

3.3Explosion-proofperformance

1

YD/T799—2010

Aftertheflammablegasgeneratedinsidethebatteryescapes,itwillnotigniteordetonate

insidethebatterywhenitencountersanopenflameoutsidethebattery.

3.4Acid-proofperformance

Theproperty,whichthebatteryrestrainstheacidmist,generatedinside,totheoutsidewhen

charging

3.5Overchargetolerance

Theability,whichabatteryinfullychargedwithstands(towithstand)overchargeability,

abatteryinfullychargedtowithstandovercharge.

4Symbols

Forthepurposeofthisstandard,thefollowingsymbolsapply.

C10—10hrateratedcapacity(Ah),thevalueis1.00C10;

C3—3hrateratedcapacity(Ah),thevalueis0.75C10;

C1—1hrateratedcapacity(Ah),thevalueis0.55C10;

Ct—themeasuredcapacityofthebatterywhentheambienttemperatureisT(Ah),itisthe

productofthedischargecurrentI(A)andthedischargetimeT(h);

Ce—batterycapacity(Ah)atbaselinetemperature(25℃);

I10—10hratedischargecurrent(A),thevalueis1.00I10;

I3—3hratedischargecurrent(A),thevalueis2.50I10;

I1—1hratedischargecurrent(A),thevalueis5.50I10.

5Modelnaming

ThemodelnamingofthebatteryisexpressedinBopomofo,andthenamingmethodisasfollows:

2

YD/T799—2010

Example:

6Requirements

6.1Ambienttemperature

Thebatteryisusednormallyatanambienttemperatureof20℃to30℃.Afterconversionby

themethodspecifiedin7.7,thebatteryshouldreachtheratedcapacityofC10.

Note:Whentheworkingenvironmenttemperatureofthebatteryexceedstheaboverange,theusercannegotiate

withthemanufacturer.Capacitycorrectioncoefficient,seeAnnexA.

6.2Appearance

Thebatteryisusednormallyatanambienttemperatureof20℃to30℃.Afterconversionby

themethodspecifiedin7.7,thebatteryshouldreachtheratedcapacityofC10.

Note:Whentheworkingenvironmenttemperatureofthebatteryexceedstheaboverange,theusercannegotiate

withthemanufacturer.Capacitycorrectioncoefficient,seeAnnexA.

6.3Structure

Thepositiveandnegativeterminalsofthebatteryshouldbeclearlymarkedandeasytoconnect.

Note:Batteryweight,seeAnnexB.

6.4Flameretardantperformance

Theprotectivecoverofthebatterycaseandconnectionbarshallcomplywiththerequirements

ofArticle8.3.2FH-1(horizontalstage)andArticle9.3.2FV-0(verticalstage)inGB/T

2408-2008.

6.5Airtightness

Thebatteryshallbeabletowithstandthepositiveornegativepressureof50kPawithout

crackingorungluingandalsoshallbenoresidualdeformationoftheshellafterpressure

released.

3

YD/T799—2010

6.6Capacity

Thebatteryshallbetestedinaccordancewiththemethodspecifiedin7.7;thedischarge

terminationvoltageshallcomplywiththerequirementsinTable1.The10hratecapacityshall

reach0.95C10inthefirstcycle;beforethethirdcycle,the10hratecapacityshallreach

C10,the3hratecapacityshallreach0.75C10andthe1hratecapacityshallreach0.55C10.

Table1Dischargerate

Batteryendofdischargevoltage(cell)

Dischargerate

V

10hrate1.80

3hrate1.80

1hrate1.75

6.7Highcurrentdischarge

Thebatteryshouldbedischargedat30I10for3minutes,theterminalshouldnotbefused,the

internalbusbarshouldnotbefused,anditsappearanceshouldnotbeabnormal.

6.8Capacityretention

Thecapacityretentionofthebatteryshallnotbelessthan96%afterstandingfor28days.

6.9Sealingreactionefficiency

Thesealingreactionefficiencyofthebatteryshouldnotbelessthan95%.

6.10Anti-acidmistperformance

Noacidmistescapesfromthebatteryduringthenormalfloatingchargingprocess.

6.11Safetyvalve

Thesafetyvalveshallhavethefunctionsofautomaticopeningandclosing.Theopeningpressure

ofvalveshallbeintherangeof10kPato35kPaandtheclosingpressureintherangeof3kPa

to30kPa.

6.12Overchargingresistance

Thebatteryshouldbetestedaccordingtothemethodspecifiedin7.13anditsappearanceshould

benoobviousdeformationandseepage.

6.13Batterychargingmanagement

6.13.1Thebatteryshouldgenerallybesupplementedbeforeusing.Thebattery'smaximum

chargingcurrentshouldnotexceed0.25C10,themaximumsupplementarychargingvoltageshould

notexceed2.40V/cell.

6.13.2Theequalizationchargingcellvoltageofbatteryis2.30Vto2.40V.

4

YD/T799—2010

6.13.3Whentheambienttemperatureis25℃,thefloatchargingvoltageofthebatteryis

(2.20Vto2.27V)/cell.

6.13.4Thetemperaturecompensationcoefficientforbatterychargingshouldbe(-3mVto

-7mV)/℃▪cell.

Note:Thespecificdataofthechargingvoltageisprovidedbythemanufacturer.

6.14Balanceperformanceofterminalvoltage

6.14.1Thedifferencebetweenthehighestandlowestopen-circuitvoltageofcellandthe

combinationbatterycomposedofanumberofcellsshallnotbegreaterthan20mV(2V),50mV(6V),

100mV(12V).

6.14.2Afterthebatteryentersthefloatingchargingstatefor24h,theterminalvoltage

differencebetweenthebatteriesshallnotexceed90mV(whenthebatterygroupiscomposed

ofnotmorethan24pcs2Vcells),200mV(whenthebatterygroupiscomposedofmorethan24pcs

2Vcells),240mV(6V),480mV(12V).

6.14.3Whenthebatteriesaredischarging,theterminalvoltagedifferencebetweenthe

batteriesshallnotexceed0.20V(2V),0.35V(6V),0.6V(12V).

6.15Connectionvoltagedropbetweencells

Theconnectionvoltagedropbetweencells(△U)shallnotbegreaterthan10mV(i.e.,

△U≤10mV).

6.16Explosion-proofperformance

Thebatteryshouldnotigniteorexplodeifitencountersanopenflameduringthecharging

process.

6.17Propertiesofsealant

Thebatterywithsealingagentshouldhavenocrackandoverflowwhentheambienttemperature

isbetween-30℃to+65℃.

6.18Internalresistance

Theinternalresistanceofthebattery,seeTable2.Thedeviationoftheinternalresistance

ofthebatteryinthesamegroupshouldnotexceed15%.

Note:Theinternalresistanceofthebatteryshallbedeterminedbyinsertionmethodifitisnotgivenin

thetable:takeonehalfofthesumoftheinternalresistanceofthebatterieswithadjacentcapacities.

Table2Internalresistanceofbattery

InternalresistanceInternal

RatedRated

resistance

CapacitymΩCapacity

AhAh

12V6V2V2V

25≤14──────────400≤0.6

5

YD/T799—2010

38≤13──────────500≤0.6

50≤12──────────600≤0.4

65≤10──────────800≤0.4

80≤9──────────1000≤0.3

100≤8≤3─────1500≤0.3

200≤6≤2≤1.02000≤0.2

300──────────≤0.83000≤0.2

6.19Thermalrunawaysensitivity

Thebatteryistestedaccordingtothemethodspecifiedin7.20,inwhichthebattery

temperatureshallnotbegreaterthan60℃andthecurrentgrowthrateper24hshallnotbe

greaterthan50%.

6.20Overdischarging

Thebatteryistestedaccordingtothemethodspecifiedin7.21,whereitscapacityrecovery

valueshallnotbelessthan90%.

6.21Lowtemperaturesensitivity

Thebatteryistestedaccordingtothemethodspecifiedin7.22,inwhichthe10hratecapacity

shallnotbelessthan0.9C10andtheappearanceshallbefreefromcracks,excessiveexpansion

andseparationofthegrooveandthecover.

6.22Batterylife

Thebatterylife,seeTable3.

Table3Batterylife

Hightemperature

Overcharginglife

acceleratesfloatingCycledurability

(20℃to30℃)

life

Nolessthan400

2VNolessthan240dNolessthan8times

times

Notlessthan300

6V、12VNolessthan180dNolessthan6times

times

Note1:Intheovercharginglifetest,per30disequivalenttooneyearoflife.

Note2:Inthehightemperatureacceleratedfloatingcharginglife,eachlifeisequivalenttoone

yeareachtime.

6

YD/T799—2010

6.23Rechargeperformance

Thebatteryistestedaccordingtothemethodspecifiedin7.24;therechargingcapacityfactor

Rbf24hofconstantvoltagechargingfor24hshallbenolessthan85%.

6.24Capacityconsistency

Whenthesamebatterygrouptest10hratecapacity,thedifferencebetweenthemaximumactual

capacityandtheminimumactualcapacityshallnotexceed5%.

7Testmethod

7.1Measuringinstrument

Themeasuringrangeoftheinstrumentusedshouldbedeterminedwiththemeasuringvalueof

themeasuredcurrentandvoltage.Thereadingofthepointermetershouldbewithinthelast

thirdofthemeasuringrange.Theaccuracyseetable4.

Table4Batterylife

InstrumentnameInstrumentaccuracy

Voltmeternolessthan0.5stage

Ammeternolessthan0.5stage

Thermometernolessthan0.5℃

nolessthan±1s/h,dividedbyhour,minuteand

Timer

second

Pressuregaugenolessthangrade0.25

ScaleTheerrorshouldnotexceed1%.

7.2Pretreatmentbeforebatteryinspection

Thebatteryusedforinspectionshouldbethequalifiedproductproducedwithinthelastthree

monthsanditmustbefullychargedbeforeinspection.

7.3Appearanceinspection

Visuallychecktheappearanceofthebattery;itshallcomplywiththerequirementsof6.2.

7.4Structuralinspection

Visuallycheckthebatterypoles;itshallcomplywiththerequirementsof6.3.

7

YD/T799—2010

7.5Flameretardantperformance

7.5.1SamplingpreparationshallbecarriedoutaccordingtothemethodinChapter6ofGB/T

2408-2008;

7.5.2HorizontalmethodshallbecarriedoutaccordingtoChapter8inGB/T2408-2008and

itshallcomplywiththerequirementsin6.4afterthetest;

7.5.3VerticalmethodshallbecarriedoutcomplywithSection9inGB/T2408-2008andit

shallcomplywiththerequirementsin6.4afterthetest.

7.6Airtightness

7.6.1Thebatteryshallbestoredatanambienttemperatureof25℃±5℃for24hours.

7.6.2Inflatethebatterythroughthesafetyvalvehole.Whenthepressuredifferencebetween

insideandoutsideis50kPa,thepressurepointershallbestablefor5seconds.

7.6.3Afterthepressureisreleased,checkwhetherthebatteryshellisdeformed,cracked

orunglued,whichshallcomplywiththerequirementsof6.5.

7.7Capacity

7.7.1Thefullychargedbatterystandsfor1hto24handstartstodischargeat25℃±5℃.

7.7.2Theterminalvoltageofthebatteryshouldbemeasuredbeforeandafterthedischarge

begins.Thecurrentshouldbemeasuredduringdischargeandthecurrentfluctuationshould

notexceed1%ofthespecifiedvalue.

7.7.3Theterminalvoltageandambienttemperatureofthebatteryshouldbemeasuredduring

discharging.Themeasurementintervalof10hratetestis1h,themeasurementintervalof3h

ratetestis0.5handthemeasurementintervalof1hratetestis10minutes.Attheendof

discharge,itshouldbemeasuredinrealtimetoaccuratelydeterminethetimeofbattery

terminationvoltage.

7.7.4Whenthebatteryisdischarging,ifthetemperatureisnot25℃,themeasuredcapacity

needstobeconvertedintothecapacityatthereferencetemperatureof25℃accordingto

formula(1)Ce,whichvalueshouldmeettherequirementsof6.6.

(1)

Where:

t——Ambienttemperatureduringdischarge

K——Temperaturecoefficient:10hratecapacitytest,K=0.006/℃;3hratecapacitytest,

K=0.008/℃;1hratecapacitytest,K=0.01/℃.

7.8High-currentdischargetest

Batterieswhosecapacitytesthasbeencompletedinaccordancewiththemethodspecifiedin

7.7andtheratedvaluehasbeenachievedafterbeingfullycharged,dischargeitwith30I10

for3minat25℃±5℃.Thevisualpoleandtheappearanceofthebatteryshallcomplywith

therequirementsof6.7.

8

YD/T799—2010

7.9CapacityRetention

7.9.1Batterieswhosecapacitytesthasbeencompletedinaccordancewiththemethodspecified

in7.7andtheratedvaluehasbeenachievedafterbeingfullycharged,thenletitstandfor

28daysinanambienttemperatureof25℃±5℃andkeepthesurfaceofthebatterycleanand

dry.

7.9.2Afterstandingfor28days,thecapacityCe′ofthebatteryafterstandingfor28days

shouldbeobtainedbycarryingout10hratecapacitytestinaccordancewiththemethod

specifiedin7.7withoutrechargingimmediately.

7.9.3CalculatethestoragebatterycapacityretentionrateRaccordingtoformula(2),it

whichshallcomplywiththerequirementsof6.8.

(2)

7.10Sealingreactionefficiency

7.10.1Batterieswhosecapacitytesthasbeencompletedinaccordancewiththemethod

specifiedin7.7andtheratedvaluehasbeenachievedafterbeingfullycharged,recharge

itat25℃±5℃for96hourswithacontinuouscurrentof0.01C10,thenchargeitwithacurrent

of0.005C10for1hour,collectgasfor1hourasshowninFigure1.

Figure1Schematicdiagramofgascollection

7.10.2CalculatetheamountofgasemittedperAhaccordingtoformula(3),thencalculate

thesealingreactionefficiencyaccordingtoformula(4),itshallcomplywiththerequirements

of6.9.

(3)

(4)

Informulas(3)and(4):

V-gasemissionof1atmosphere(mL/Ah)perAhconvertedto25℃;

9

YD/T799—2010

P-atmosphericpressureatthetimeofmeasurement(kPa);

P0-standardatmosphericpressurevalue101.3(kPa);

t-ambienttemperature(℃);

ʋ-volumeofgascollected(ml);

Q-theamountofelectricitychargedduringgascollection(Ah);

n-numberofseriessinglebatteries.

7.11Anti-acidmistperformance

7.11.1Precipitation

Batterieswhosecapacitytesthasbeencompletedinaccordancewiththemethodspecifiedin

7.7andtheratedvaluehasbeenachievedafterbeingfullycharged,rechargeditat25℃

±5℃with0.05C10currentfor2h,thegasshouldbeimmediatelycollectedandthenpassedinto

threeabsorptionbottlewithquantitativeBaCl2solutioninseriestopassthroughbubbles.

2hourslater,checkwhetherthereisprecipitationinthethirdabsorptionbottle.Ifthere

isnoprecipitation,itmeansthattheacidmistprecipitatedfromthesinglecellofthe1Ah

batteryislessthan0.025mg,otherwise,itisunqualified.TheamountofBaCl2shouldbeadded

tothefirstandsecondabsorptionflaskaccordingtoformula(5);TheamountofBaCl2solution

preparedbybatteriesofdifferentcapacitiesshouldbecalculatedaccordingtoformula(6);

Thethirdabsorptionflaskshouldbeplacedwith1molconcentrationofBaCl2solution10ml:

(5)

(6)

Informulas(5)and(6):

WBaCl2-themassofBaCl2(mg);

N-thenumberofthecells;

Q–Capacity(Ah);

-themolecularweightofBaCl2;

-themolecularweightofH2SO4;

7.11.2Testpapermethod

Putthebatteryintoa1m3containerwithneutralpHvalue(pH=7),chargethefullycharged

batterywith0.02C10currentfor4h,moistenthelitmustestpaper(pHtestpaper)withpure

distilledwaterandhangit2cmabovetheairoutletfor2h.Checkthecolorofthetestpaper

anditwhichshallcomplywiththerequirementsof6.10.

Note:Eitheroftheabovetwomethodscanbetested.

7.12Safetyvalve

Graduallyinflateandpressurizethebatterytomeasurethepressurewhenopeningthevalve,

10

YD/T799—2010

thenstopinflating,placethebatterynaturallyandmeasurethepressurewhenclosingthe

valve,itshallcomplywiththerequirementsof6.11.

7.13Overchargeresistance

Batterieswhosecapacitytesthasbeencompletedinaccordancewiththemethodspecifiedin

7.7andtheratedvaluehasbeenachievedafterbeingfullycharged,rechargeitat25℃±

5℃with0.03C10currentfor160handstandfor1h.Theappearanceofthebatteryshouldbe

checkedtocomplywiththerequirementsof6.12.

7.14Batterychargingmanagement

Whentheambienttemperatureis25℃±5℃,thebatterychargingmanagementshallcomplywith

therequirementsof6.13.

7.15Terminalvoltageequalization

7.15.1ThefullychargedbatterystandsIntheambienttemperatureof25℃±5℃for24h,the

measuredopen-circuitvoltageshallcomplywiththerequirementsof6.14.1.

7.15.2Afterthefullychargedbatteryentersthefloatingchargingstatefor24hinthe

ambienttemperatureof25℃±5℃,thevoltageofeachbatteryshallbemeasuredrespectively

inaccordancewiththerequirementsof6.14.2.

7.15.3Thefullychargedbatteryshallstandfor1hto24hintheambienttemperatureof25℃

±5℃,the10hratecapacitytestshallbecarriedoutaccordingtothemethodspecifiedin

7.7.Thevoltageofthebatteryshallbemeasuredeveryhouruntilthebatteryreachesthe

terminationvoltage.Thetestresultsshallcomplywiththerequirementsof6.14.3.

7.16Connectionvoltagedropbetweencells

Whenthebatteryisdischargedatarateof1h,measurethevoltagedropoftheconnecting

barbetweentwoadjacentbatteries(measuredattherootofthebatterypole),itsvalueshall

complywiththerequirementsof6.15.

7.17Explosion-proofperformance

Thetestshouldbecarriedoutafterconfirmingthatsafetymeasureshavebeenensured.

Overchargethefullychargedbatterywiththecurrentof0.05C10.After1h,underthecondition

ofnopowerfailure,usetheDC24Vpowersupplytofuse1Ato3A(thefuseis2mmto4mmabove

theexhaustport),generatetheopenflametesttwicerepeatedly,itshallcomplywiththe

requirementsof6.16.

7.18Performanceofsealant

7.18.1Coldresistancetest

Thebatteryinjectedwithelectrolyteisplacedinalowgreenhouse(box)of-30℃±3℃for

6h.Whenthetemperatureofthelowgreenhouse(box)risesto-5℃,thebatteryistakenout

andthesealingagentisinspectedvisuallywithin1mintoseewhetherthereiscrackandwhether

thereisseparationbetweenslotsandcovers,itshallcomplywiththerequirementsof6.17.

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YD/T799—2010

7.18.2Heatresistancetest

Inthe65℃±2℃thermostat,thebatteryisplacedatanAngleof45°for6h,thentakenout

ofthethermostattovisuallycheckwhetherthesealingagentisoverflowing.Itshallcomply

withtherequirementsof6.17.

7.19Internalresistance

7.19.1Batterieswhosecapacitytesthasbeencompletedinaccordancewiththemethod

specifiedin7.7andtheratedvaluehasbeenachievedafterbeingfullycharged,discharge

itat25℃±5℃with0.03C10currentfor20s,accuratelymeasureandrecordtheterminalvolta

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