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Table 3 Charge Mode Specifications
Utility Charging Mode
INVERTER MODEL
SP3000 Initial-P SP5000 Initial-P SP3000 Initial-M
SP5000 Initial-M
Charging Algorithm
3-Step
AC Charging Current (Max)
25Amp
(@V
I/P
=230Vac)
60Amp
(@V
I/P
=230Vac)
25Amp
(@V
I/P
=230Vac)
60Amp
(@V
I/P
=230Vac)
Bulk Charging
Voltage
Flooded Battery
29.2
58.4
29.2
58.4
AGM / Gel Battery
28.2
56.4
28.2
56.4
Floating Charging Voltage
27Vdc
54Vdc
27Vdc
54Vdc
Charging Curve
Time
Battery Voltage, per cell
Charging Current, %
100%
50%
Bulk
(Constant Current)
Absorption
(Constant Voltage)
Maintenance
(Floating)
Current
Voltage
T1
T1 = 10* T0, minimum 10mins, maximum 8hrs
T0
2.43Vdc (2.35Vdc)
2.25Vdc
PWM Solar Charging Mode
INVERTER MODEL
SP3000 Initial-P
SP5000 Initial-P
Charging Current
50Amp
System DC Voltage
24Vdc
48Vdc
Operating Voltage Range
30~32Vdc
60~72vdc
Max. PV Array Open Circuit
Voltage
60Vdc
105Vdc
DC Voltage Accuracy
+/-0.3%
Max Charging Current
(AC charger plus solar
charger)
70Amp
110Amp
MPPT Solar Charging Mode
INVERTER MODEL
SP3000 Initial-M
SP5000 Initial-M
Charging Current
40Amp
60Amp
PV Array MPPT Voltage Range
30~80Vdc
60~115vdc
Max. PV Array Open Circuit
Voltage
100Vdc
145Vdc
Max Charging Current
(AC charger plus solar charger)
60Amp
120Amp
