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    Picture of 3kW/5kW/10kW Split Phase Off Grid Solar Inverter
    Picture of 3kW/5kW/10kW Split Phase Off Grid Solar Inverter
    Picture of 3kW/5kW/10kW Split Phase Off Grid Solar Inverter

    3kW/5kW/10kW Split Phase Off Grid Solar Inverter

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    SKU: PH-OGI-NKF
    $1,576.15
    ● 3kW–10kW rating split phase off grid solar inverter with 3x peak surge (up to 30kW), pure sine wave output. ● Features approx 99% MPPT tracking efficiency, up to 6800W max PV input, and OFF auto-charging. ● Supports 110V/220V split-phase with 80–130V/160–260V AC input and <10ms transfer time, approx 90% inverter efficiency. ● Compatible with 24V/48V lead-acid and lithium batteries, featuring RS485/WiFi support and an IP20 rating.
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    Overview

    The PowerHome split phase off-grid solar inverter combines a pure sine wave inverter with a high-efficiency MPPT solar charge controller, delivering 3kW–10kW rated power and 110V/220V split-phase output. With up to 3× peak surge capacity, it can handle high-starting-current loads such as air conditioners, refrigerators, water pumps, and other household appliances. Compatible with lithium and lead-acid batteries, it also supports automatic charging, BMS communication, RS485, and WiFi monitoring for reliable off-grid and home backup power.

    split phase off grid inverter feature

    Feature

    • Powerful Load Capacity: Up to 3x peak surge power (up to 30kW) with pure sine wave output to effortlessly drive heavy and inductive loads.
    • Independent Operation: Seamless transfer in <10ms to handle grid fluctuations, ideal for home rooftops and off-grid remote areas.
    • Unattended Smart Charging: Built-in MPPT controller (~99% efficiency) automatically charges via solar panels even when switched OFF.
    • Multi-Layer Protection: Integrated circuit, overload, lightning, short-circuit, low-voltage, and high-voltage protections for total safety.
     

    Details

    1. Selectable Single/Split Phase Input: Supports 110V/220V voltage switching to easily adapt to various power grid environments.
    2. Built-in Filter: High-efficiency dust and insect mesh protects against harsh ambient conditions.
    3. Dual MCU Control: Ensures precise MPPT tracking, stable power generation, and broad battery compatibility.
    4. Smart Air Cooling: Temperature-controlled fans automatically adjust cooling to keep system performance optimized.
    split phase off grid inverter details

    Dimension (unit: mm)

    split phase off grid inverter dimension

    Wiring Diagram

    split phase off grid inverter wiring diagram

    Specs
    Inverter
    Rated Power 3 kW (24 VDC/48 VDC), 5 kW, 6.4 kW, 8 kW, 10 kW (Optional)
    Peak Power 9 kW, 15 kW, 19.2 kW, 24 kW, 30 kW
    Rated Battery Voltage 24 VDC / 48 VDC (3 kW), 48 VDC (5 kW, 6.4 kW, 8 kW, 10 kW)
    MPPT Controller
    Charging Current 60 A (3 kW), 120 A (5 kW, 6.4 kW, 8 kW, 10 kW)
    PV Input Interface 60 A × 1 (3 kW), 60A × 2 (5 kW, 6.4 kW, 8 kW, 10 kW)
    Max. PV Input Power 1700 W / 3400 W (3 kW), 6800 W (5 kW, 6.4 kW, 8 kW, 10 kW)
    PV Input Voltage Range 30–180 V (24 V system), 60–180 V (48 V system)
    Conversion Efficiency ~99%
    Unattended Mode MPPT can charge the battery from solar power when the inverter is shut down, enabling unattended PV operation
    AC Input
    Grid Input L1-N: 110 VAC, 80–130 VAC
    Voltage Range L1-N-L2: 220 VAC, 160–260 VAC / 130–280 VAC
    Grid Input Frequency 45–65 Hz (automatic detection)
    Grid Charging Current Adjustable
    AC Output
    Inverter Output Waveform Pure sine wave
    Inverter Output Efficiency ~90%
    Inverter Output Voltage L1-N, L2-N: 110 VAC / L1-L2: 220 VAC
    Inverter Output Frequency 50/60 Hz Adjustable
    Energy-Saving Mode Power Consumption 5 W
    Operating Modes
    Inverter Operating Modes Grid priority, battery priority, energy-saving, unattended, generator mode
    Battery Parameters  
    Supported Battery Types Lead-acid / gel / LiFePO4 / ternary lithium / custom
    Custom Battery Parameters Constant-voltage charging, float charging, battery recovery, grid recovery, low-voltage alarm, low-voltage protection
    Battery Charging Method Lead-acid: 3-stage charging, constant current, constant voltage, float; lithium: constant current, constant voltage
    Lithium Battery Cell Options LiFePO4: 3.2 V/cell; ternary lithium: 3.7 V/cell
    Protection
    Protection Functions Battery under-voltage / battery over-voltage / overload / over-temperature / charging protection
    Display
    LED Indicators Grid status, inverter status, charging status, alarm
    Screen Display Operating status, input/output voltage, PV information, inverter parameter settings, etc.
    Display Language Chinese / English
    General Parameters
    Transfer Time <10 ms
    Protection Rating IP20
    Work Efficiency >85%
    Cooling Method Intelligent temperature control
    Adapter Cable Length 3 m
    Communication Interfaces WiFi (RS485) / BMS (RS485) / Dry contact
    Operating Temperature -10°C to 40°C
    Altitude ≤3000 m
    Machine Dimensions (mm) 525 × 420 × 167 (3kW), 625 × 485 × 180 (5kW, 6.4kW), 675 × 520 × 195 (8kW, 10kW)
    Application
    split phase off grid inverter for household

    Household

    split phase off grid inverter for fishing boat

    Fishing Boat

    split phase off grid inverter for RV

    RV

    split phase off grid inverter for agriculture

    Agriculture

    FAQ

    Q1: What is the benefit of the ~99% MPPT solar controller built into this split-phase off-grid inverter?

    The MPPT controller tracks the maximum power point of your solar array with ~99% efficiency, maximizing energy conversion even in low-light conditions. It also features unattended charging to automatically power up and charge batteries from solar energy when turned off.

    Q2: What safety features are built into a split-phase off-grid inverter for harsh conditions?

    These inverters include protection against overload, short circuits, lightning, and over/under voltage. Hardware features like temperature-controlled cooling fans and dust/insect mesh filters protect internal electronics in challenging off-grid environments.

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