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The lead acid profile parameters are setup as follows.
Basic Parameters:
Range
Full Volts 12-63V
Bulk Amps 0.2-8.0A*
*
Charger will limit to 8A or 360W, whichever is less
The charger will hold the full voltage until either the current drops below Complete A, or it has
been held at the full voltage for FullV MaxT. At either of these events, the charger output will drop
to the float voltage, and the display will show CHARGE COMPLETE. To setup an equalizing charge
profile for flooded lead acid batteries, you can set the full voltage about 10% higher than normal,
and limit the Full Voltage time to about 2hrs. The table below shows some typical voltage
settings for 24V, 36V, and 48V lead acid packs at room temperature.
Reference Charge Voltages for Common Lead Acid Batteries
24V Sealed
24V Flooded
36V Sealed
36V Flooded
48V Sealed
48V Flooded
Full Voltage 28.0 V
29.6 V
42 V
44.4 V
56.0 V
59.2
Equalize FullV
N/A
31.0 V
N/A
46.5 V
N/A
62.0 V
Float Voltage 26.4 V
26.4 V
39.6 V
39.6 V
52.8 V
52.8 V
It is recommended to consult your battery manufacturer for their exact recommended charge
voltage, especially in the case of Gel type sealed batteries that are more sensitive to
overcharge. Similarly, care is needed when charging lead batteries at ambient temperatures
above 30
o
C, as the charge voltages at higher temperatures also need to be reduced to prevent
overcharging.
4.3. Nickel (NiCad or NiMH)
Nickel Cadmium and Nickel Metal Hydride batteries are unique in that their voltage rises and
then falls again during the charge cycle, so the strategy of charging to a fixed voltage does not
work.
Toward the end of the charge process, the battery temperature rises rapidly, and as the pack
gets hotter the battery voltage eventually decreases. The end of charge can be detected either
by monitoring the battery temperature or by looking for the moment when the voltage starts to
decrease, known as -DeltaV.
Advanced Parameters:
Default
Float Volts 94% of FullV
Full Volts Max Time 4 hrs
Compete Amps 0.15A
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