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Table 4 Charge Mode Specifications
Utility Charging Mode
INVERTER MODEL
SPF 3000TL LVM-24P
SPF 3000TL LVM-48P
Charging Current (UPS)
@ Nominal Input Voltage
Default: 30A, max 60A
Default: 30A, max 40A
Bulk
Charging
Voltage
Flooded
Battery
29.2Vdc
58.4Vdc
AGM / Gel
Battery
28.2Vdc
56.4Vdc
Floating Charging Voltage
27Vdc
54Vdc
Overcharge Protection
30Vdc
60Vdc
Charging Algorithm
3-Step
Charging Curve
Battery Voltage, per cell
Charging Current, %
2.43Vdc (2.35Vdc)
Voltage
2.25Vdc
100%
50%
T0
T1
T1 = 10* T0, minimum 10mins, maximum 8hrs
Current
Time
Bulk
Absorption
Maintenance
(Constant Current)
(Constant Voltage) (Floating)
Solar Charging Mode
Efficiency
98.0% max.
Max. PV Array Open
Circuit Voltage
145Vdc
PV Array MPPT Voltage
Range
30~115Vdc
60~115Vdc
Min battery voltage for
PV charge
17Vdc
34Vdc
Max PV Charging current
80A
Battery Voltage Accuracy
+/-0.3%
PV Voltage Accuracy
+/-2V
Charging Algorithm
3-Step
Joint Utility and Solar Charging
Max Charging Current
140Amp
120Amp
Default Charging Current
60Amp