Inverters comparison

Sol-Ark 15K-2P vs EG4 18kPV

Compare the Sol-Ark 15K-2P and EG4 18kPV hybrid inverters: continuous output, MPPT count, battery compatibility, warranty, and which one suits whole-home backup.

	Sol-Ark 15K-2P 15000W Hybrid Inverter Inverter	EG4 18kPV 12000W Hybrid Inverter Inverter
Price (MSRP)	$6,000	$4,898
Status	Active	Active
Type	Hybrid	Hybrid
Continuous AC output	15 kW	12 kW
Surge output	30 kW	15.5 kW
AC nominal voltage	240 V	240 V
AC phases	split phase	split phase
Peak efficiency	97.5%	97.5%
MPPT channels	3	3
PV voltage range	175–425 V	100–600 V
PV max current	26 A per MPPT	25 A per MPPT
PV max power	19.5 kW	18 kW
Battery compatible	Yes	Yes
Battery voltage range	43–63 V	40–60 V
Transfer time	5 ms	20 ms
Generator input	Yes	Yes
Pass-through	200 A	90 A
Idle consumption	90 W	-
Max parallel units	12	10
Cooling	Fan	-
Noise	30 dB	68 dB
Communications	CAN bus, RS-485, Wi-Fi, Ethernet	RS-485, Wi-Fi, CAN bus
Enclosure rating	IP65/NEMA3R	NEMA 4X
Operating temp.	-25°C to 55°C	-25°C to 60°C
Dimensions	807 × 494 × 306 mm	870 × 520 × 285 mm
Weight	61.2 kg	55 kg
Warranty	10 years	-
Buy	signature solar →	signature solar →

Sol-Ark

15K-2P 15000W Hybrid Inverter

$6,000

Best for

✓ whole-home or critical-loads battery backup
✓ US residential 120/240V split-phase loads
✓ arrays with mixed roof orientations or shading

Watch out for

! Idle draw is 90 W — adds ~788 kWh/year of parasitic load

Full specs →

EG4

18kPV 12000W Hybrid Inverter

$4,898

Best for

✓ whole-home or critical-loads battery backup
✓ US residential 120/240V split-phase loads
✓ arrays with mixed roof orientations or shading

Full specs →

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