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11. Charging Management
Charging voltage
Default
Value
Note
Max. charging current
25A
It can be adjusted via software from
5Amp to 25Amp.
Floating charging voltage(default)
54.0 Vdc It can be adjusted via software from
50Vdc to 56Vdc.
Max. absorption charging
voltage(default)
56.0 Vdc
= Floating charging v 2Vdc.
But the max. absorption charging
voltage is 57Vdc. Therefore, if floating
charging voltage is
set to
56Vdc, then
max. absorption charge voltage will
be still 57Vdc.
Battery overcharge protection
59.0 Vdc
Charging process based on default
setting.
3 stages:
First – max. charging voltage
increases to 56V;
Second- charging voltage will
maintain at 56V until charging current
is down to 5 Amp;
Third- go to floating charging at 54V.
Bulk
Floating
Absorption
time
U
time
I
Bulk Voltage
Float Voltage
This inverter can connect to battery types of Sealed lead acid battery, Vented battery, Gel
battery, Nicd battery and Lithium-iron battery.
Below is recommended floating charging
voltage table based on different battery types.
Battery type
Recommended floating charging voltage
Sealed lead acid battery
53.6 V
Vented battery
52.8 V
Gel battery
54.0 V
NiCd battery
56.0 V
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