Operator's Manual

BatteryStorage
Requirements
Note:Youdonotneedtoremovethebatteriesfrom
themachineforstorage.
Refertothetemperaturerequirementsforstoragein
thefollowingtable:
TemperatureRequirementsforStorage
StorageConditions
TemperatureRequirement
Normalstorageconditions
-20°to45°C(-12°to113°F)
Extremeheat—1monthor
less
45°to60°C(113°to140°F)
Extremecold—3monthsor
less
-30°to-20°C(-22°to-12°F)
Important:Temperaturesoutsideofthisrange
willdamageyourbatteries.
Thetemperaturethatthebatteriesarestored
atwillaffecttheirlong-termlife.Storagefor
longperiodsoftimeatextremetemperatures
willreducethebatterylife.Storethemachinein
thenormalstorageconditionsindicatedinthe
temperature-requirementstable.
•Beforeyoustorethemachine,chargeordischarge
thebatteriesbetween40%to60%(50.7Vto
52.1V).
Note:A50%chargeisoptimaltoensurea
maximumbatterylife.Whenthebatteriesare
chargedto100%beforestorage,thebatterylife
shortens.
Ifyouanticipatethatthemachinewillbestored
foralongerperiodoftime,chargethebatteries
toaround60%.
•Forevery6monthsofstorage,checkthe
battery-chargelevelandensurethatitisbetween
40%to60%.Ifthechargeisbelow40%,charge
thebatteriesbetween40%to60%.
•Youcanuseamultimetertocheckthechargelevel
whenthemachineisoff.Refertothefollowing
tablefortheamountofvoltagethatisequaltothe
chargelevel:
Voltage
ChargeLevel
52.1V
60%
51.4V
50%
50.7V
40%
•Afterchargingthebatteries,disconnectthe
batterychargerfrompower.Disconnectthe
powerconnectorduringstoragetominimizethe
dischargingofthebatteries.
•Ifyouleavethechargeronthemachine,itwill
shutoffafterthebatteriesarefullychargedand
doesnotturnbackonunlessthechargeris
disconnectedandreconnected.
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