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Greensmaster eFlex 1800/2100Page 4 -- 8Electrical System
Cell Balance
Once the pack has charged to 100% state of charge
(SOC), the battery pack will determine if cell balancing
is needed. If necessary, it will equalize the individual
cells in the battery pack. T he chargerwillceaseto output
current and voltage, and will present a high impedance
connection at the high voltage terminal of the battery. If
cell balancing is not needed, the charger will progress
to the standby mode.
Once the battery pack accomplishes cell balancing to
the required level, it will send a CAN message to the
charger to commence charging again (at the voltage
and current limits indicated via CAN). The pack and
charger will go through this cycle 2 to 3 times until either
the battery pack is satisfied with the results of the cell
equalization or 18 hours has passed. At this point in
time, the pack will change to ”Charge Done” state, and
the charger shall respond by shutting down the battery
pack. If the pack fails to terminate the balancing or
charging within 19 hours from start of charge, the char-
ger shall terminate the charge. In either case, the char-
ger shall shut the pack down and switch to the Standby
state.
During cell balancing, the battery voltage, state of
charge (as percent of fully charged) and amperage will
be displayed in the LCD message display.
Figure 7
XX.XV XX.X% X.XA
TORO Li+ CHARGER
State 4, Cell Balance
Ok To Use Battery
CELL BALANCE
MESSAGE
SCREEN
Standby
The charger stays in standby mode from completion of
charge until 24 hours from start of charge has passed.
While in standby, the charger LCD message display is
held in the brightly lit mode. Once the 24 time period has
elapsed, the charger will go into it’s lowest power con-
sumption mode of Hibernate.
During standby, the battery state of charge (as percent
of fully charged) will be displayed in the LCD message
display. Typically, SOC for a fully charged battery will be
from 98% to 100%.
Figure 8
BATTERY READY
SOC: XX.X%
TORO Li+ CHARGER
State 5, STANDBY
STANDBY
MESSAGE
SCREEN