JPTUV-121001

2021-04-08
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, 11000mAh, 264.0Wh
N/A
HW-7F11 LEDUP 11Ah
IEC 62133-2:2017
See Test Report for National Differences
CN21CUPF
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

Chen


ReportNo.:18270BC10026101
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

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
MS8040 SE-511 2021-03-10
Electronicscale
CHS-D
Temperatureriserecorder
34970A
SE-1483 2021-07-12
SE-004 2021-03-15
Code:AB-BAT-71-b
ReportNo.:18270BC10026101
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,C26~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.
Cellsandbatteriesmeetthisrequirementifthereisnoleakage,noventing,nodisassembly,norupture andnofireandiftheopencircuitvoltageofeachtestcellor batteryaftertestingisnotlessthan90%of itsvoltageimmediatelypriortothisprocedure.Therequirementrelatingtovoltageisnotapplicableto testcellsandbatteriesatfullydischargedstates.
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.
Cellsandbatteriesmeetthisrequirementifthereisnoleakage,noventing,nodisassembly,norupture andnofireandiftheopencircuitvoltageofeachtestcellor batteryaftertestingisnotlessthan90%of itsvoltageimmediatelypriortothisprocedure.Therequirementrelatingtovoltageisnotapplicableto testcellsandbatteriesatfullydischargedstates.
T.5Externalshortcircuit
Thecellorbatterytobetestedshallbeshallbeheatedforaperiodoftimenecessarytoreach ahomogeneousstabilizedtemperatureof57±4C,measuredontheexternalcase.Thisperiodoftime dependsonthesizeanddesignofthecellorbatteryandshouldbeassessedanddocumented.Ifthis assessmentisnotfeasible,theexposuretimeshallbeatleast6hoursforsmallcellsandsmall batteries,and12hoursforlargecellsandlargebatteries. Thenthecellorbatteryat57±4Cshallbe subjectedtooneshortcircuitconditionwithatotalexternalresistanceoflessthan0.1ohm. Thisshortcircuitconditioniscontinuedforatleastonehourafterthecellorbatteryexternalcase temperaturehasreturnedto57±4C,orinthecaseofthelargebatteries,hasdecreasedbyhalf ofthe maximumtemperatureincreaseobservedduringthetestandremainsbelowthatvalue.
Theshortcircuitandcoolingdownphasesshallbeconducted atleastatambienttemperature. Cellsandbatteriesmeetthisrequirementiftheirexternal temperaturedoesnotexceed170°Cand thereisnodisassembly,noruptureandnofireduringthetestandwithinsixhoursafterthetest.
Code:AB-BAT-71-b

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.
7.TESTPROCEDURE

Marking
Pretreatment
B13-B16
Altitudesimulation
Thermaltest
Vibration
Shock
Externalshortcircuit
Impact Overcharge Forceddischarge
Analysis
Code:AB-BAT-71-b
8.DATA
T.1Altitudesimulation

T.2Thermaltest
T.3Vibration
T.4Shock
Peakacceleration:150gn,Pulseduration:6ms

T.5Externalshortcircuit
T.6Impact
ReportNo.:18270BC10026101
T.7Overcharge No.

T.8Forceddischarge No.
Whetherdisassembly,fire(Y/N)
Whetherdisassembly,fire(Y/N)
Code:AB-BAT-71-b

9.PHOTOSOFTHESAMPLE
Battery



Cell


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--