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Reliability     Safety     Capacity


Solis Flexi-ONE is a special type of an ALL-IN-ONE hybrid system. Here at Solis, we collaborate with all of the top battery brands in the world and we want to give you that same ability to pick and choose within this enclosure. Therefore, we designed this hybrid system to hold multiple types of brands giving you maximum flexibility. 
The biggest feature of the Flexi-One is the reduced installation time and cost. The inverter comes standard with built in distribution block, integrated backup by pass switch, and PV, grid and battery switches. The Flexi-One can reduce your installation time by nearly 50% and that will naturally reduce your installation cost. This inverter has our new app commissioning feature which is now built into the SolisCloud app and gives you full access and control to setup the inverter in seconds. Elegant, intelligent and flexible. Flexi-One

Solis Flexi-ONE 

Leading Features

  • Quick installation

  • Integrated AFCI
  • Grid output power up to 6kW
  • Integrated backup bypass switch
  • Remote control & firmware upgrade
  • Charge/Discharge current up to 100A
  • Intelligent EMS function
  • Dual protection with fuse and isolator
  • Integrated PV, grid and battery switches
  • 24-hour energy management via SolisCloud
  • Compatible battery capacity up to 20kW·h
  • Integrated bluetooth supports APP commissioning
  • 5kW backup power to support more important loads
  • Multiple working modes to maximize self-consumption
  • PV input power up to 8kW, PV input current up to 15A
  • Choose your own batteries from compatible manufacturers
  • 20ms switching time between on-grid mode and off-grid mode
  • Intelligent Battery Management System, improving battery reliability
  • Built-in distribution block, removing inverter core without affecting backup loads
  • AC input current up to 34.5A, support backup load running and battery charging at the same time

Technical Specifications

Battery Compatibility (to be continued)

  • Pylontech US2000
    4-6 pcs, 9.6 kW·h / 12 kW·h / 14.4 kW·h
  • Pylontech US3000
    3-4 pcs, 10.65 kW·h / 14.2 kW·h
  • UZ energy L051100-A
    3-4 pcs, 15.0 kW·h / 20 kW·h
  • Dyness B4850
    4-6 pcs, 9.6 kW·h / 12 kW·h / 14.4 kW·h

Input DC (PV side)

  • Max. input voltage
    600 V
  • Rated voltage
    330 V
  • Start-up voltage
    120 V
  • MPPT voltage range
    90-520 V
  • Max. input current
    15 A / 15 A
  • Max. short circuit current
    22.5 A / 22.5 A
  • MPPT number/Max.input strings number

Output AC (Grid side)

  • Max. apparent output power
    6 kVA
  • Rated grid voltage
    1/N/PE, 220 V / 230 V
  • Rated grid frequency
    50 Hz / 60 Hz
  • Rated grid output current
    27.3 A / 26.1 A
  • Max. output current
    27.3 A
  • Power Factor
    >0.99 (0.8 leading - 0.8 lagging)
  • THDi

General Data

  • Weight (without battery)
    58.3 kg
  • Topology
    High frequency isolation (for battery)
  • Ingress protection
  • Cooling concept
    Intelligent redundant fan-cooling
  • Max. operation altitude
    3000 m
  • Grid connection standard
    AS/NZS 4777.2:2020
  • Safety/EMC standard
    IEC62109-1/-2, EN61000-6-2, EN61000-6-3
  • Operating ambient temperature range
    -25 ~ +60°C (INV), system based on battery specification

Output AC (Back-up)

  • Max. apparent output power
    7 kVA, 10 s
  • Back-up switch time
    <20 ms
  • Rated output voltage
    1/N/PE, 220 V / 230 V
  • Rated frequency
    50 Hz / 60 Hz
  • Rated output current
    22.8 A / 21.7 A
  • THDv (linear load)

Input AC (Grid side)

  • Max. input current
    34.5 A
  • Frequency range
    45-55 Hz / 55-65 Hz

Battery Charging/Discharging

  • Max. charge / discharge power
    5 kW
  • Max. charge / discharge current
    100 A
  • Communication


  • EU efficiency
  • MPPT efficiency


  • Residual current mornitoring
  • Integrated AFCI (DC arc-fault circuit protection)
    Yes (Activation required)
  • DC reverse polarity protection
  • Protection class
  • Over voltage category
    II (PV), III (MAINS)
  • Intelligent temperature protection


  • AC connection
    Quick connection plug
  • Display
  • Communication
    COM, DRM, RS485, dry contact, Bluetooth (internal)

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