Issuu

JPTUV-121004

Li-ion Battery

best systems gmbh

Siebenhirtenstrasse Objekt 5, 12A

1230 Vienna, Österreich

HOWELL ENERGY CO LTD

B1010, GenZon Times Square

Longgang Centre, Shenzhen, 518000 Guangdong, P.R. China

HOWELL ENERGY CO LTD

B1010, GenZon Times Square

Longgang Centre, Shenzhen, 518000 Guangdong, P.R. China

24V, 22000mAh, 528.0Wh

N/A

HW-7F22 LEDUP 22Ah

IEC 62133-2:2017

See Test Report for National Differences

CN211EQ7

001

TÜV Rheinland Japan Ltd.

Global Technology Assessment Center

4-25-2 Kita-Yamata, Tsuzuki-ku Yokohama 224-0021, Japan

Phone + 81 45 914-3888

Fax + 81 45 914-3354

Mail: info@jpn.tuv.com Web : www.tuv.com

2021-04-08

LEDUP

ReportNo.:18270BC10026001

2.REFERENCEMETHOD

UnitedNationsRecommendationsOnTheTransportOfDangerousGoods,ManualOfTestsAnd Criteria(ST/SG/AC.10/11/Rev.6/Amend.1)

3.EQUIPMENTLIST

Nameofequipment/Model

LowPressureTestMachine

BE-DY-125

HighFastTemperature&HumidityChamber

ZJ-KSWB1506

VibrationMachine

EV103V

ShockMachine

HSKT-10

ThermostatShort-circuitTestingMachine

BE-1000W

ImpactTestingMachine

BE-5060

BatteryChargeAndDischargeSystem

CT-4002-80V40A-NA

TRUERMSmultimeter

MS8040

Electronicscale

CHS-D

Temperatureriserecorder

34970A

SerialNo. DueDate

SE-132 2021-03-10

SE-1488 2021-08-09

SE-439 2021-09-27

SE-440 2021-04-01

SE-133 2021-03-10

SE-136 2021-07-12

SE-1507 2021-08-09

SE-511 2021-03-10

SE-1483 2021-07-12

SE-004 2021-03-15

Code:AB-BAT-71-b

ReportNo.:18270BC10026001

4.ENVIRONMENTALCONDITIONSOFTHETEST

Temperature:(20±5) CR.H.:(40~70)%RH

5.TESTITEMANDCONCLUSION

ITEM

Altitudesimulation

SAMPLENUMBER STANDARD CONCLUSION

B1~B4,B5~B8

Thermaltest PASS

Vibration PASS

Shock PASS

Externalshortcircuit PASS

Impact

Overcharge

Forceddischarge

Notes:

ST/SG/AC.10/11/Rev. 6/Amend.1 PASS

C1~C5,C6~C10 PASS

B9~B12,B13~B16 PASS

C11~C20,C21~C30 PASS

B1~B4:Batteriesatfirstcycleinfullychargedstates;

B5~B8:Batteriesafter25cyclesendinginfullychargedstates;

B9~B12:Batteriesatfirstcycleinfullychargedstates;

B13~B16:Batteriesafter25cyclesendinginfullychargedstates.

C1~C10:Singlecellbatteriesatfirstcycleinfullychargedstates; C11~C20:Cellsafter25cyclesendinginfullydischargedstates.

C21~C25:Cellsatfirstcycleat50%ofthedesignratedcapacity;

C26~C30:Cellsat25cycleat50%ofthedesignratedcapacity;

Code:AB-BAT-71-b

6.TESTMETHOD

TestsT.1toT.5shallbeconductedinsequenceonthesamecellorbattery.TestsT.6andT.8 shallbeconductedusingnototherwisetestedcellsorbatteries.TestT.7maybeconductedusing undamagedbatteriespreviouslyusedintestsT.1toT.5forpurposesoftestingoncycledbatteries. Inordertoquantifythemassloss,thefollowingprocedureisprovided: Massloss(%)=(M1-M2)/M1×100 WhereM1isthemassbeforethetestandM2isthemassafterthe test.Whenmasslossdoesnot exceedthevaluesinTableblow,itshallbeconsideredas“no massloss”.

MassMofcellorbattery

T.1Altitudesimulation

Testcellsandbatteriesshallbestoredatapressureof11.6 kPaorlessforatleastsixhoursatambient temperature(20±5°C).

Cellsandbatteriesmeetthisrequirementifthereisnoleakage,noventing,nodisassembly,norupture andnofireandiftheopencircuitvoltageofeachtestcellor batteryaftertestingisnotlessthan90%of itsvoltageimmediatelypriortothisprocedure.Therequirementrelatingtovoltageisnotapplicableto testcellsandbatteriesatfullydischargedstates.

T.2Thermaltest

Testcellsandbatteriesaretobestoredforatleastsixhoursatatesttemperatureequalto72±2°C, followedbystorageforatleastsixhoursatatesttemperatureequalto-40±2°C.Themaximumtime intervalbetweentesttemperatureextremesis30minutes.Thisprocedureistoberepeateduntil10 totalcyclesarecomplete,afterwhichalltestcellsandbatteriesaretobestoredfor24hoursatambie nttemperature(20±5°C).Forlargecellsandbatteriesthedurationofexposuretothetesttemperature extremesshouldbeatleast12hours.

T.3Vibration

Cellsandbatteriesarefirmlysecuredtotheplatformofthe vibrationmachinewithoutdistortingthecells insuchamannerastofaithfullytransmitthevibration.The vibrationshallbeasinusoidalwaveformwith alogarithmicsweepbetween7Hzand200Hzandbackto7Hztraversedin15minutes.Thiscycle shallberepeated12timesforatotalof3hoursforeachofthreemutuallyperpendicularmounting positionsofthecell.Oneofthedirectionsofvibrationmustbeperpendiculartotheterminalface. Thelogarithmicfrequencysweepshalldifferforcellsandbatterieswithagrossmassofnotmorethan 12kg(cellsandsmallbatteries),andforbatterieswithagrossmassofmorethan12kg(large batteries).

Forcellsandsmallbatteries:from7Hzapeakaccelerationof1gnismaintaineduntil18Hzisreached. Theamplitudeisthenmaintainedat0.8mm(1.6mmtotalexcursion)andthefrequencyincreaseduntil apeakaccelerationof8gnoccurs(approximately50Hz).Apeakaccelerationof8gnisthen maintaineduntilthefrequencyisincreasedto200Hz.

Forlargebatteries:from7Hztoapeakaccelerationof1gnis maintaineduntil18Hzisreached.The amplitudeisthenmaintainedat0.8mm(1.6mmtotalexcursion)andthefrequencyincreaseduntila

peakaccelerationof2gnoccurs(approximately25Hz).Apeakaccelerationof2gnisthenmaintained untilthefrequencyisincreasedto200Hz.

Cellsandbatteriesmeetthisrequirementifthereisnoleakage,noventing,nodisassembly,norupture andnofireduringthetestandafterthetestandiftheopencircuitvoltageofeachtestcellorbattery directlyaftertestinginitsthirdperpendicularmounting positionisnotlessthan90%ofitsvoltage immediatelypriortothisprocedure.Therequirementrelatingtovoltageisnotapplicabletotestcells andbatteriesatfullydischargedstates.

T.4Shock

Testcellsandbatteriesshallbesecuredtothetestingmachinebymeansofarigidmountwhichwill supportallmountingsurfacesofeachtestbattery.

Eachcellshallbesubjectedtoahalf-sineshockofpeakaccelerationof150gnandpulsedurationof6 milliseconds.Alternatively,largecellsmaybesubjected toahalf-sineshockofpeakaccelerationof50 gnandpulsedurationof11milliseconds.

Eachbatteryshallbesubjectedtoahalf-sineshockofpeakaccelerationdependingonthemassofthe battery.Thepulsedurationshallbe6millisecondsforsmallbatteriesand11millisecondsforlarge batteries.Theformulasbelowareprovidedtocalculatethe appropriateminimumpeakaccelerations.

Battery

Smallbatteries

Largebatteries

Minimumpeakacceleration Pulseduration

150gn orresultofformula

Acceleration(gn)=

mass* 100850 whicheverissmaller 6ms

50gn orresultofformula

Acceleration(gn)=

mass* 30000

whicheverissmaller 11ms

*Massisexpressedinkilograms.

Eachcellorbatteryshallbesubjectedtothreeshocksinthe positivedirectionandtothreeshocksin thenegativedirectionineachofthreemutuallyperpendicularmountingpositionsofthecellorbattery foratotalof18shocks.

T.5Externalshortcircuit

Thecellorbatterytobetestedshallbeshallbeheatedforaperiodoftimenecessarytoreach ahomogeneousstabilizedtemperatureof57±4C,measuredontheexternalcase.Thisperiodoftime dependsonthesizeanddesignofthecellorbatteryandshouldbeassessedanddocumented.Ifthis assessmentisnotfeasible,theexposuretimeshallbeatleast6hoursforsmallcellsandsmall batteries,and12hoursforlargecellsandlargebatteries. Thenthecellorbatteryat57±4Cshallbe subjectedtooneshortcircuitconditionwithatotalexternalresistanceoflessthan0.1ohm. Thisshortcircuitconditioniscontinuedforatleastonehourafterthecellorbatteryexternalcase temperaturehasreturnedto57±4C,orinthecaseofthelargebatteries,hasdecreasedbyhalf ofthe maximumtemperatureincreaseobservedduringthetestandremainsbelowthatvalue.

Theshortcircuitandcoolingdownphasesshallbeconducted atleastatambienttemperature. Cellsandbatteriesmeetthisrequirementiftheirexternal temperaturedoesnotexceed170°Cand thereisnodisassembly,noruptureandnofireduringthetestandwithinsixhoursafterthetest.

T.6Impact/Crush

Impact(applicabletocylindricalcellsgreaterthan18mmindiameter)

Thesamplecellorcomponentcellistobeplacedonaflatsmoothsurface.A15.8mm±0.1mm diameter,atleast6cmlong,orthelongestdimensionofthecell,whicheverisgreater,Type316 stainlesssteelbaristobeplacedacrossthecentreofthesample.A9.1kg±0.1kgmassistobe droppedfromaheightof61±2.5cmattheintersectionofthebarandsampleinacontrolledmanner usinganearfrictionless,verticalslidingtrackorchannelwithminimaldragonthefallingmass.The verticaltrackorchannelusedtoguidethefallingmassshallbeoriented90degreesfromthehorizontal supportingsurface.

Thetestsampleistobeimpactedwithitslongitudinalaxisparalleltotheflatsurfaceandperpendicular tothelongitudinalaxisofthe15.8mm±0.1mmdiametercurvedsurfacelyingacrossthecentreofthe testsample.Eachsampleistobesubjectedtoonlyasingleimpact.

Crush(applicabletoprismatic,pouch,coin/buttoncellsandcylindricalcellsnotmorethan18mmin diameter)

Acellorcomponentcellistobecrushedbetweentwoflatsurfaces.Thecrushingistobegradualwitha speedofapproximately1.5cm/satthefirstpointofcontact.Thecrushingistobecontinueduntilthe firstofthethreeoptionsbelowisreached.

(a)Theappliedforcereaches13kN±0.78kN;

(b)Thevoltageofthecelldropsbyatleast100mV;or

(c)Thecellisdeformedby50%ormoreofitsoriginalthickness.

Oncethemaximumpressurehasbeenobtained,thevoltagedropsby100mVormore,orthecellis deformedbyatleast50%ofitsoriginalthickness,thepressureshallbereleased.

Aprismaticorpouchcellshallbecrushedbyapplyingtheforcetothewidestside.Abutton/coincell shallbecrushedbyapplyingtheforceonitsflatsurfaces.Forcylindricalcells,thecrushforceshallbe appliedperpendiculartothelongitudinalaxis.

Eachtestcellorcomponentcellistobesubjectedtoonecrushonly.Thetestsampleshallbeobserved forafurther6h.Thetestshallbeconductedusingtestcells orcomponentcellsthathavenot previouslybeensubjectedtoothertests.

Cellsandcomponentcellsmeetthisrequirementiftheirexternaltemperaturedoesnotexceed170°C andthereisnodisassemblyandnofireduringthetestandwithinsixhoursafterthistest.

T.7Overcharge

Thechargecurrentshallbetwicethemanufacturer’srecommendedmaximumcontinuouscharge current.Theminimumvoltageofthetestshallbeasfollows:

(a)Whenthemanufacturer’srecommendedchargevoltageisnotmorethan18V,theminimumvoltage ofthetestshallbethelesseroftwotimesthemaximumcharge voltageofthebatteryor22V.

(b)Whenthemanufacturer’srecommendedchargevoltageismorethan18V,theminimumvoltageof thetestshallbe1.2timesthemaximumchargevoltage.

Testsaretobeconductedatambienttemperature;thedurationofthetestshallbe24hours.

Rechargeablebatteriesmeetthisrequirementifthereisno disassemblyandnofireduringthetestand withinsevendaysafterthetest.

T.8Forceddischarge

Eachcellshallbeforceddischargedatambienttemperature byconnectingitinserieswitha12VD.C. powersupplyataninitialcurrentequaltothemaximumdischargecurrentspecifiedbythemanufacturer. Thespecifieddischargecurrentistobeobtainedbyconnectingaresistiveloadoftheappropriatesize andratinginserieswiththetestcell.Eachcellshallbeforceddischargedforatimeinterval(inhours) equaltoitsratedcapacitydividedbytheinitialtestcurrent(inampere).

Primaryorrechargeablecellsmeetthisrequirementifthereisnodisassemblyandnofireduringthe testandwithinsevendaysafterthetest.

ReportNo.:18270BC10026001

7.TESTPROCEDURE

Marking

Pretreatment

B13-B16

Altitudesimulation

Thermaltest

Vibration

Shock

Externalshortcircuit

Impact Overcharge Forceddischarge

Analysis

Code:AB-BAT-71-b

B1-B4,B5-B8

C1~C5,C6~C10

B9-B12,

C11~C20,C21~C30

8.DATA

T.1Altitudesimulation No.

T.2Thermaltest

T.3Vibration

No.

T.4Shock

Peakacceleration:150gn,Pulseduration:6ms

T.5Externalshortcircuit

T.6Impact

ReportNo.:18270BC10026001

T.7Overcharge No.

T.8Forceddischarge No.

Whetherdisassembly,fire(Y/N)

Code:AB-BAT-71-b

9.PHOTOSOFTHESAMPLE

DECLARATION

1.UnitedNationsRecommendationsOnTheTransportOfDangerousGoods,ManualOf TestsAndCriteria(ST/SG/AC.10/11/Rev.6/Amend.1).

2.TestplaceLab:ShenzhenAnbotekComplianceLaboratoryLimited

Address:Eastof4/F.,BuildingA,HouruiNo.3IndustrialZone,XixiangStreet, Bao'anDistrict,Shenzhen,Guangdong,China

3.Thisreportshallnotberevisedanddeleted.

4.Thetestresultspresentedinthisreportareonlyrelevanttothetestsample.

5.ThisreportshallnotbepublishedasadvertisementwithouttheapprovalofShenzhen AnbotekComplianceLaboratoryLimited.

6.Thisreportshallnotbecopiedpartlywithoutthewritten approvalofShenzhenAnbotek ComplianceLaboratoryLimited.

--Endofreport--