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C Charge characteristics
1 2 0 %
1 0 0 %
8 0 %
A m p s
6 0 %
4 0 %
2 0 %
0 %
V o l ts
32
1 6
1 5
30
1 4
28
1 3
26
1 2
24
1 1
22
1 0
Bulk hours
4-stage charging:
Bulk-mode: Entered when charger is started. Constant current is applied until nominal battery voltage is reached,
depending on temperature and input voltage, after which constant power is applied up to the point where excessive
gassing is starting (14.4V resp. 28.8V, temperature compensated).
Battery Safe Mode: The applied voltage to the battery is raised gradually until the set Absorption voltage is reached. The
Battery Safe Mode is part of the calculated absorption time.
Absorption-mode: Absorption voltage is applied until {actual-Bulk-Ah*5 / max.adjusted-Bulk-current} (in hours) is
reached. Usually {actual-Bulk-Ah*5} = {max.adjusted-Bulk-current * Bulk-hours *5}, but the actual-Bulk-current can be
limited by ambient temperature, or remote control. The maximum time in Absorption mode is the Maximum Absorption
time set.
Float-mode: Float voltage is applied to keep the battery fully charged and to protect it against self-discharge.
Reduced Float: After one day of Float charge a reduced Float charge is applied. This is 13,2V resp. 26,4V (for 12V and
24V charger). This will limit water loss to a minimum when the battery is stored for the winter season.
After an adjustable time (default = 7 days) the charger will enter Repeated Absorption-mode for an adjustable time
(default = 4 quarters).
4
C h a rg e c u rr e n t
C h a r g e v o lta g e
Battery Safe
mode
5 x Bulk-hours or
Max. Absorption time
Absorption
1 day
float
7 days
7 days
reduced float
reduced float
1 hour Repeated Absorption
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