Inverter Comparison

Sol-Ark 15K vs. EG4 18kPV

Price$6,250$4,898
Inverter Typehybridhybrid
Input Data (PV)
Max PV Input Power19.5 kW18 kW
MPPT Voltage Range150-425 V140-500 V
Max PV Input Voltage500 V600 V
# of MPPTs33
Inputs per MPPT
2 / 2 / 2
2 / 1 / 1
Max Usable Input Current
26 A / 26 A / 26 A
25 A / 15 A / 15 A
Max Short Circuit Input Current44 A / 44 A / 44 A31 A / 19 A / 19 A
AC CoupleYesYes
Max AC Couple Input Power19.2 kW
Output Data (AC)
Nominal Output Power
15 kW (with PV)
12 kW (battery only)
12 kW
Peak Surge24 kW15.5 kW
Locked Rotor Amps (LRA)180 A
Output Voltage120/240V, 120/208V, 220V120/240VAC
Grid Frequency50/60Hz50/60Hz
Max Output Current62.5 A50 A
Max Grid Passthrough (Bypass)200 A200 A
Battery
Battery Nominal Voltage48 V48 V
Battery TypeLead-acid / LithiumLead-acid / Lithium
Max Battery Charge / Discharge275 A / 275 A250 A / 250 A
General Info
Idle Consumption90 W70 W
Parallel SupportUp to 12 unitsUp to 10 units
MonitoringApp/Web/LCDApp/Web/LCD
Outdoor RatingIP65 / NEMA 3RNEMA 4X
Dimensions (H×W×D)31.8 × 19.4 × 1234.4 × 20.5 × 11.2 in
Weight135 lbs121 lbs
Noise Level<30 dB @ 77°F68 dB @ 3 ft
Warranty10 years10 years