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Table 3 Charge Mode Specifications
Utility Charging Mode
INVERTER MODEL
3KW
5KW
Charging Current
@ Nominal Input Voltage
Default: 30A, max: 60A
Bulk
Charging
Voltage
Flooded
Battery
29.2Vdc
58.4Vdc
AGM / Gel
Battery
28.2Vdc
56.4Vdc
Floating Charging Voltage
27Vdc
54Vdc
Overcharge Protection
34Vdc
66Vdc
Charging Algorithm
3-Step
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
Solar Charging Mode (MPPT type)
INVERTER MODEL
3KW
5KW
Rated Power
1500W
4000W
Maximum charging
current
60A
80A
Efficiency
98.0% max.
Max. PV Array Open
Circuit Voltage
145Vdc
PV Array MPPT Voltage
Range
30~115Vdc
60~115Vdc
Battery Voltage
Accuracy
+/-0.3%
PV Voltage Accuracy
+/-2V
Charging Algorithm
3-Step
Joint Utility and Solar Charging
Max Charging Current
120A
140A
Default Charging
Current
60A