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Removable LCD Off Grid Solar Inverter 3.5KW-5.5KW - China Suppliers and Factory for Home and Small Business

Model: SII Series 3500-5500VA (1-1 Phase)

The SII series all-in-one solar power systems offered by leading China suppliers provide an optimal solution for off-grid and backup power needs for homes and small businesses. This innovative system features a removable LCD design that operates seamlessly even without a battery. With a maximum PV input power of 5000W-6000W, built-in MPPT technology of 110A, and a high PV voltage range of 120~500V, our factory ensures that customers can harness the full potential of solar energy efficiently.

    Key Features

    Off Grid solar Inverter
    In-Built MPPT 110A
    Can run without batteries connection
    PV input 120-500Vdc
    Removable LCD screen is optional
    RS485/RS232 as standard (supports >100m length for removable LCD)

    Specification

    MODEL SII 3.5K-24 SII 5.5K-48 SII 5.5K-48P
    Rated Power 3500VA/3500W 5500VA/5500W
    Parallel Function
    (Max parallel upto 6units)
    NO NO YES
    INPUT
    Voltage 230VAC
    Selectable Voltage Range 170-280VAC (for personal computers)
    90-280VAC (for home appliances)
    Frequency Range 50Hz/60Hz (Auto sensing)
    OUTPUT
    AC Voltage Regulation (Batt. Mode) 230VAC±5%
    Surge Power 7000VA 11000VA
    Efficiency (Peak) PV to INV 97%
    Efficiency (Peak) BAT to INV 94%
    Transfer Time 10ms (for personal computers)
    20ms (for home appliances)
    Wave form Pure Sine Wave
    BATTERY & AC CHARGER
    Battery Voltage 24VDC 48VDC
    Floating Charge Voltage 27VDC 54VDC
    Overcharge Protection 33VDC 63VDC
    Maximum charge current 80A 80A
    SOLAR CHARGER
    MAX.PV Array Power 5000W 6000W
    MPPT Range @ Operating Voltage 120-450VDC
    Maximum PV Array Open Circuit Voltage 500VDC
    Maximum Charging Current 110A
    Maximum Efficiency 98%
    PHYSICAL
    Dimension. D*W*H (mm) 472*297*129
    Net Weight (kgs) 9.5kg 10.5kg 11.5kg
    Gross Weight (kgs) 10.5kg 11.5kg 12.5kg
    Communication Interface RS485/RS232 (Standard)
    LCD remote/WIFI (Optional)
    OPERATING ENVIRONMENT
    Humidity 5% to 95% Relative Humidity (Non-condensing)
    Operating Temperature 0℃ to 55℃
    Storage Temperature -15℃ to 60℃
    Product specifications are subject to change without prior notice.

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    Product packaging

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    FAQ

    1. What kinds of payment methods do you accept?
    - Usually 30% deposit in advance, 70% balance before shipment. Other payment methods please contact sales.
    2. What’s your price and MOQ?
    - Our comprehensive cost performance ratio is the best in UPS power industry, MOQ is flexible.
    3. What is the input voltage range for your UPS systems?
    - Our UPS systems support two types of input voltage range. 55~145V for 120V models and 90~300V for 220V models.
    4. Can the UPS be used with a generator?
    - Yes, our UPS systems are compatible with most generators, but it's recommended to check the generator's output stability.
    5. What is the typical battery life of your UPS units?
    - The battery life typically ranges from 3 to 5 years, depending on usage and environmental conditions.
    6. How long does the UPS provide backup power?
    - Backup time varies by model and load. Standard one with internal batteries only support few minutes, and Long backup time one with external batteries can support few hours.