Dyness B4850 - Before Connecting

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Caution. Itisveryimportantandnecessarytoreadtheusermanualcarefully
(intheaccessories)beforeinstallingorusingbattery.Failuretodosoortofollow
anyoftheinstructionsorwarningsinthisdocumentcanresultinelectricalshock,
seriousinjury,ordeath,orcandamagebattery,potentiallyrenderingitinoperable.
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Ifthebatteryisstoredforlongtime,itisrequiredtochargethemeverysixmonths,
andtheSOCshouldbenolessthan90%.
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Batteryneedstoberechargedwithin12hours,afterfullydischarged.
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Donotinstalltheproductinoutdoorenvironment,oranenvironmentoutofthe
operationtemperatureorhumidityrangelistedinmanual.
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Donotexposecableoutside.
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Donotconnectpowerterminalreversely.
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Allthebatteryterminalsmustbedisconnectedformaintenance.
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Anyforeignobjectisprohibitedtoinsertintoanypartofbattery.
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Donotusecleaningsolventstocleanbattery.
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Donotexposebatterytoammableorharshchemicalsorvapors.
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Donotpaintanypartofbattery,includeanyinternalorexternalcomponents.
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DonotconnectbatterywithPVsolarwiringdirectly.
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Pleasecontactthesupplierwithin24hoursifthereissomethingabnormal.
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Thewarrantyclaimsareexcludedfordirectorindirectdamageduetoitemsabove.
1.3 Before Connecting
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Afterunpacking,pleasecheckproductandpackinglistrst,ifproductisdamaged
orlackofparts,pleasecontactwiththelocalretailer.
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Beforeinstallation,besuretocutoffthegridpowerandmakesurethebatteryisin
theswitched-offmode.
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Wiringmustbecorrect,donotmistakethepositiveandnegativecables,andensure
noshortcircuitwiththeexternaldevice.
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ItisprohibitedtoconnectthebatteryandACpowerdirectly.
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The embeddedBMSisdesignedfor48VDC,pleaseDONOTconnectbatteryin
series.
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Batterysystemmustbewellgroundandtheresistancemustbelessthan100mΩ.
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Pleaseensuredtheelectricalparametersofbatterysystemarecompatibleto
relatedequipment.
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Keepthebatteryawayfromwaterandre.