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Storing the machine outside these temperature ranges will damage the batteries or
reduce their lifespan.
• Before you store the machine, charge or discharge the batteries to between 40% and
60% (54.3V and 57.3V).
Note:
charged to 100% before storage, the battery life shortens.
If you anticipate that the machine will be stored for a longer period of time, charge the
batteries to around 60%.
• You can use a multimeter to check the charge level when the machine is off. Refer to the
following table for the amount of voltage that is equal to the charge level:
Voltage
54.3V
55.4V
57.3V
• After charging the batteries, disconnect the charger plug from power during storage to
minimize the discharging of the batteries.
• The machine and charger will shut off after the batteries are fully charged and does not
turn back on unless the charger cord is disconnected and reconnected.
Storage: Battery Storage Requirements
A 50% charge is optimal to ensure a maximum battery life. When the batteries are
IMPORTANT
Charge Level
60%
50%
40%
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3440-398 A
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