Sol-Ark 8K-2P Hybrid Inverter System
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The Sol-Ark 8K-2P Hybrid Inverter System combines an inverter, charger controller, touchscreen display, and remote monitoring into one system designed to manage power from solar, batteries, the grid, loads, and a generator. With up to 8,000W of continuous real power, support for 48V battery systems, and both DC and AC coupling, it provides a flexible foundation for grid-tied, off-grid, and battery backup applications. The system also supports lithium and lead-acid battery technologies, giving customers more choice when planning a storage system.
The Sol-Ark 8K-2P provides up to 8,000W of continuous real power with 120/240V, 120/208V, and 220V nominal AC voltage options. For off-grid operation, it can provide up to 16,000VA of peak apparent power for 10 seconds at 240V, with a higher 25,000VA peak apparent power rating for 100 milliseconds.
The solar input section supports up to 11,000W of allowed PV power at STC. Two MPP trackers are provided, with two PV strings per MPPT and a maximum input current of 18A per MPPT. The nominal PV voltage range is 175–425V, with a 125V startup voltage and 500V maximum input voltage.
The battery input is designed for 48V battery systems and supports both lithium and lead-acid battery technologies. The operating voltage range is 43–63V, with a stated battery capacity range of 50–9,900Ah and maximum battery charge/discharge current of 185A.
The Sol-Ark 8K-2P can manage power between the grid, batteries, solar, loads, and generator. Its features include Grid Tied Mode, Meter Zero Mode, Time of Use, Programmable Smart Load Mode, and integrated Automatic Generator Start. The system also provides a maximum grid passthrough current of 63A.
When backup operation matters, transfer speed is an important specification to consider. The Sol-Ark 8K-2P lists a 4ms backup transfer time. Its grid-to-battery charging efficiency is rated at 96.0%, while CEC efficiency is 96.5% and maximum efficiency is 97.5%.
The system includes a touchscreen interface along with Wi-Fi and LAN communication. This gives users local touchscreen access while also providing communication capabilities for remote monitoring. The inverter uses a transformerless DC-to-AC design and has an idle consumption rating of 60W with no load.
The Sol-Ark 8K-2P includes several integrated protection and control functions listed in its specifications. These include PV DC disconnect, ground fault detection, PV rapid shutdown control, PV arc fault detection, PV input lightning protection, PV string reverse-polarity protection, and surge protection.
The 8,000W continuous output, battery support, solar input, and grid management functions make the Sol-Ark 8K-2P suitable for customers planning a home battery backup system. Its ability to manage solar, batteries, grid power, loads, and a generator provides several ways to structure a backup power setup.
The system is also designed for off-grid operation. Its 48V battery input, solar charging capabilities, DC and AC coupling, and generator support can be incorporated into an off-grid power system. Customers should confirm their specific battery, solar, and load requirements before purchase.
For grid-connected installations, the system offers Grid Tied Mode, Meter Zero Mode, and Time of Use functionality. These features provide different ways to manage how solar, batteries, and grid power are used within the system.
A basic battery inverter may focus primarily on converting stored DC energy into AC power. The Sol-Ark 8K-2P combines inverter, charger controller, touchscreen controls, remote monitoring, solar input, battery management, and grid and generator functions in one system.
Compared with a smaller portable power station, this is a different type of product intended for a configured power system rather than simple plug-and-play portable power. It also differs from a conventional fuel generator because the system is designed to coordinate solar, battery, grid, loads, and generator power rather than relying on fuel as its primary energy source.
The Sol-Ark 8K-2P may be worth considering if you are building or upgrading a solar and battery power system and need an inverter capable of coordinating multiple energy sources. Its specifications are particularly relevant for customers who need up to 8,000W of continuous real power and want 48V battery support with both lithium and lead-acid options.
This May Be A Good Fit If
Before purchasing, confirm the inverter's voltage, battery, PV, load, and installation requirements against your planned system. Customers should also verify the specific model and configuration required for their project.
The Sol-Ark 8K-2P has a maximum continuous real power output of 8,000W.
The system supports lithium and lead-acid battery technologies and uses a nominal 48V DC battery input.
The maximum allowed PV power is 11,000W at STC. The system has two MPP trackers, two PV strings per MPPT, and a maximum AC-coupled input of 9,600W.
Yes. The listed features include generator management and integrated Automatic Generator Start. The system also provides a way to manage power between the generator, solar, batteries, grid, and loads.
Yes. The product description states that the system includes a display with remote monitoring, while the specifications list Wi-Fi and LAN communication as included.
Sol-Ark 8K-2P Hybrid Inverter System Specifications |
|
|---|---|
| Inverter Model | Sol-Ark-8K-48-ST |
| SKU | 8K-2P |
| Max Allowed PV Power (STC) | 11,000W |
| Rated MPPT Operating Voltage Range | 175–425V |
| MPPT Voltage Range | 150–500V |
| Startup Voltage | 125V |
| Max Input Voltage | 500V |
| Max Input Current Per MPPT | 18A (Self-Limiting) |
| Number Of MPP Trackers | 2 |
| PV Strings Per MPPT | 2 |
| Max AC-Coupled Input | 9,600W |
| Nominal AC Voltage | 120/240V, 120/208V, 220V |
| Grid Frequency | 50/60Hz |
| Max Continuous Real Power | 8,000W |
| Max Output Current | 33A |
| Peak Apparent Power (10 Seconds, Off-Grid) | 16,000VA @ 240V |
| Peak Apparent Power (100ms, Off-Grid) | 25,000VA @ 240V |
| Max Output Fault Current (100ms) | 104A |
| Max Grid Passthrough Current | 63A |
| Power Factor Output Range | ±0.9 Adjustable |
| Backup Transfer Time | 4ms |
| CEC Efficiency | 96.5% |
| Maximum Efficiency | 97.5% |
| DC To AC Design | Transformerless DC |
| Stackable | No |
| Battery Technologies | Lithium / Lead Acid |
| Nominal DC Voltage | 48V |
| Battery Operating Voltage Range | 43–63V |
| Battery Capacity | 50–9,900Ah |
| Max Battery Charge / Discharge Current | 185A |
| Charging Controller | 3-Stage With Equalization |
| Grid To Battery Charging Efficiency | 96.0% |
| External Battery Temperature Sensor | Included |
| Automatic Generator Start | 2-Wire Start, Integrated |
| BMS Communication | CANBus & RS485 MODBUS |
| Dimensions (H × W × D) | 750 × 450 × 254 mm (29.5 × 17.7 × 10 in) |
| Weight | 35.4 kg / 78 lb |
| Enclosure | IP65 / NEMA 3R |
| Ambient Temperature | -25–55°C, >45°C Derating |
| Noise | <30 dB @ 25°C (77°F) |
| Idle Consumption (No Load) | 60W |
| Communication And Monitoring | Wi-Fi & LAN Hardware Included |
| Standard Warranty | 10 Years |
| Certifications And Listings | UL1741-2010/2018, IEEE1547a 2003/2014, FCC 15 Class B, UL1741SB, CA Rule 21, HECO Rule 14H |
| PV DC Disconnect Switch | Integrated |
| Ground Fault Detection | Integrated |
| PV Rapid Shutdown Control | Integrated |
| PV Arc Fault Detection | Integrated |
| PV Input Lightning Protection | Integrated |
| PV String Input Reverse Polarity Protection | Integrated |
| AC Output Breaker | 63A, Integrated |
| Battery Breaker / Disconnect | 250A, Integrated |
| Surge Protection | DC Type II / AC Type II |
The Sol-Ark 8K-2P is designed for customers who need more than a basic inverter. With solar input, 48V battery support, grid and generator management, backup functionality, touchscreen controls, and remote communication, it provides the core functions needed for a configurable solar and battery power system. Choose Outbound Power when you want practical product guidance and a power solution selected around your actual system requirements. Before ordering, confirm the specifications and configuration needed for your application so your inverter, batteries, solar array, and loads work together as intended.
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