HEXFLY PRO-X4, Manual

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11
Like a standard charge sequence, the value in the lower left hand
corner of the screen shows the selected charge current and the
value in the lower right hand corner of the screen shows the
selected voltage of the pack that will be charged. To change
these values, press the START/ENTER key to cycle through the
adjustable settings. Use the increase/decrease buttons to change the values and use the
START/ENTER button to confirm the values. When the values have been set correctly and
you are ready to FAST charge, press and hold the START/ENTER button for 3 seconds to
begin the process. Note, when FAST charging, the lower left hand corner of the screen will
show "FAS" and not the selected charge current.
When a lithium battery sits unused, for long periods of time, it is best to give that pack a
STORAGE charge. This will charge the battery to a nominal storage voltage (3.75V for LiPo,
3.75V for Li-ion, 3.80V for LiHV and 3.3V for LiFe per cell). Storage mode will automatically
determine if the battery needs to be charged or discharged to reach this level. The balance
plug of the battery must be plugged into the charger for a proper storage charge to take
place. Set the charge current and the battery voltage/cell count
as you would any other charge mode by pressing the
START/ENTER button to select the parameter you wish to
change. Use the DEC/INC buttons to adjust the value. When
you wish to confirm your setting, press the START/ENTER
button. To initiate the storage charge, press and hold the
START/ENTER button for 3 seconds, confirm the cell count
selected is the same that the charger is indicating and press
the START/ENTER button to begin charging.