by BigBattery

BigBattery EG4 12kPV All-in-One Hybrid Solar Inverter with Remote Wifi Monitoring - INV028

SKU INV028

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$4,116.47

$4,116.47 - $4,116.47

$4,116.47

$3,499.00

$3,499.00 - $3,499.00

$3,499.00

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BigBattery EG4 12kPV All-in-One Hybrid Solar Inverter with Remote Wifi Monitoring - INV028 delivers powerful and efficient energy management for residential and commercial solar setups. Designed for seamless integration into solar power systems, this 8kW hybrid inverter supports up to 12kW of PV input, offering unmatched flexibility and reliability. With a built-in WiFi module for remote monitoring, users can effortlessly track performance and make real-time adjustments via a mobile app or web portal. This all-in-one system includes multiple MPPTs, a high surge capability, and generator auto-start functionality, making it an ideal choice for both off-grid and grid-tied applications.

Features:

8kW continuous output with up to 12kW PV input support
Built-in WiFi for remote monitoring and configuration
Off-grid and grid-tied capability with seamless transition
Dual MPPTs for enhanced solar harvest
High surge capacity for demanding loads
Generator auto-start ready
Compatible with EG4 batteries and other 48V systems
Integrated BMS communications with closed-loop battery support

Specifications

Specification	Details
Nominal AC Voltage	120/240VAC; 120/208VAC (L1/L2/N required)
Frequency	50/60Hz
Max. AC Input Power	12000W
Minimum Generator Size	>5000W
Max. Gen	Grid Passthrough Current
Max. Output Current	33.3A @ 240VAC; 38.5A @ 208VAC
Output Voltage	120/240VAC; 120/208VAC
Nominal Power Output	8000W
Output Frequency	50/60Hz
Power Factor	0.99 @ Full Load
Reactive Power Adjust Range	±0.8
Max Continuous Line Wattage	4000W
Peak Power Ratings	0.5s: 16kW; 1s: 12kW; 1min: 10kW; 12min: 8.8kW
Operating Frequency	50/60Hz
THD (V) @ Full Load	<3%
Transfer Time	Single: 20 ms (default), 10 ms (selectable); Parallel: 20 ms
Number of MPPTs	2
Inputs per MPPT	2
Max. Usable Input Current	25A per MPPT; 41.6A total
Max. Short Circuit Input Current	31/31A
DC Input Voltage Range	100–600 VDC
Unit Startup Voltage	100 VDC
MPPT Operating Voltage Range	120–500 VDC
Nominal MPPT Voltage	360 VDC
Max Utilized Solar Power	12000W
Recommended Max Solar Input	15000W
PV to Grid Efficiency	97.50%
Battery to Grid Efficiency	94%
CEC Weighted Efficiency	96.40%
PV to Battery Efficiency	99.90%
Idle Power Consumption	<55W
Compatible Battery Types	Lead-Acid / Lithium
Max Charge/Discharge Current	167A @ 48 VDC
Nominal Battery Voltage	48 VDC
Battery Voltage Range	40–60 VDC (Lithium and Lead-Acid)
Recommended Battery Capacity	>200Ah per inverter
Max Units in Parallel	10
Dimensions (H×W×D)	29.5 × 20.5 × 11.2 in (750 × 520 × 285 mm)
Weight	110 lbs. (50 kg)
Design Topology	High Frequency – Transformerless
Relative Humidity	0–100%
Max Operating Altitude	<2000m (<6561 ft)
Operating Temperature Range	-13°F to 140°F (-25°C to 60°C)
Storage Temperature Range	-13°F to 140°F (-25°C to 60°C)
Noise Emission	<50 dB @ 3 ft
Communication Interfaces	RS485 / Wi-Fi / CAN
Warranty	10-year standard warranty
Enclosure Rating	NEMA 4X
Safety Protections	PV arc fault, ground fault, reverse polarity, leakage current monitoring, surge protection, integrated PV disconnect
Certifications	UL1741 SB, CSA C22.2#107.1:2016, CSA C22.2#330:2017 ED.1, HECO SRD-IEEE-1547.1:2020 ED.2, NEC 2020:690.12 RSD, FCC PART 15 CLASS B