ELECTRICVEHICLE-BATTERIESBatteryCare
14
IMPURITY
ALLOWABLECONTENT(PARTS
PERMILLION)
EFFECTSOFIMPURITY
Copper5.0
Increasedself-discharge,lower
on-chargevoltage
Iron3.0
Increasedself-discharge,lower
on-chargevoltage
Magnesium40.0Reducedlife
NickelNoneallowedIntenseloweringofon-chargevoltage
Nitrates10.0Increasedsulfationofnegativeplate
Nitrites5.0Platecorrosion,lossofcapacity,reducedlife
PlatinumNoneallowedViolentself-discharge,loweron-chargevoltage
Selenium2.0Positiveplateshedding
Zinc4.0Slightself-dischargeofnegativeplates
BATTERYCARE–VEHICLESEQUIPPEDWITHTHEOPTIONALSINGLE-POINTWATERING
SYSTEM(SPWS)
Tokeepbatteriesingoodworkingcondition,followthismaintenanceprogramonaregularbasis:
1.Keepthebatteriescleanandfreeofcorrosion.Washtopsandterminalsofbatterieswithasolutionofbaking
sodaandwater;use1cup(237mL)bakingsodaper1gallon(3.8L)ofwater.Rinsesolutionoffofthebatteries.
Donotallowthissolutiontoenterthebattery.Besureterminalsaretight.Lettheterminalsdryandthencoatwith
BatteryT erminalProtectorSpray.SeefollowingNOTE.
NOTE:Disposeofwastewaterproperly.
2.Thebatteryhold-downsshouldbetightenoughsothatthebatteriesdonotmovewhilethevehicleisinmotion,
butnotsotightastocrackorbucklethebatterycase.For8-voltbatteries,tightenhold-downretainingnutsto
106lb·in(12N·m).Theterminalconnectionsshouldbecleanandtight,andanyworninsulationorfrayedwires
shouldbereplaced.Tightenbatteryterminalstopropertorque.SeeConnectingtheBatteries–Electric
Vehiclesonpage1-4.SeefollowingWARNING.
WARNING
•Ifbatterywireterminalsaredamagedorcorroded,replaceorcleanthemasnecessary.Failureto
dosomaycausethemtooverheatduringoperationandcouldresultinre,propertydamage,or
personalinjury.
3.Afteruse,chargethebatteries.Thebatteriesshouldneverbeleftdischargedanylongerthanabsolutely
necessary(donotleavedischargedovernight).
4.Waterthebatteriesmonthlyoraccordingtothewateringinterval.SeeEstablishingtheWateringIntervalfor
NewVehiclesonpage14-8.SeeWateringBatterieswiththeSPWSonpage14-10.
CAUTION
•Thewateringintervalmustadequatelymaintaintheelectrolytelevelabovethetopoftheplates.
SeeFigure14-3.
•WaterthebatteriesonlyAFTERcharging.
NOTE:Bottleddistilledwater,withthehandpumpisrecommendedforprivateconsumerSPWSapplications.
2019PrecedentVillager2MaintenanceandServiceManualPage14-7