SimpliPHI™ ESS 6 kW Inverter

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The advanced design of the SimpliPHI™ 6 kW Hybrid Inverter offers versatile applications that seamlessly integrate solar, generator and/or grid power in both AC and DC coupled configurations – on-grid or off. This smart hybrid inverter with integrated MPPT can also be easily coupled to work with the SimpliPHI 4.9 kWh battery to provide an efficient, easy-to-use energy storage system for any home or business that can allow for Time-of-Use applications, peak demand shaving, backup power and peace of mind. In addition, the SimpliPHI Hybrid Inverter can be paired with other batteries.

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Scalable for any application

Scalable up to 9 inverters for a total of 54 kW of power.

Seamless transition

Less than 8 milliseconds of seamless transition protects sensitive electronics and minimizes downtime.

Off-grid and grid-connected systems

Simple installation for both AC coupled retrofit and new DC coupled systems.

Simple digital interface

Easy programming and monitoring of primary system functions on the LCD inverter interface.

Versatile installation options

IP65 rating supports all weather conditions for both indoor or outdoor installations.

EnergyTrak™ enabled

Peace of mind that your system is working optimality with remote monitoring all from an app.

Warranty coverage

10-year limited warranty.1

1See operator’s manual or for complete warranty details.


SimpliPHI™ ESS 6kW Inverter
Model DesignationPHI-HB-INV-6kW
Environmental ProtectionIP65
Protective ClassI
Battery Input Data
Nominal Battery Voltage48VDC
DC Voltage Range40~62VDC
Maximum Charging Voltage62VDC (Configurable)
Maximum Charging Current100 A
Maximum Discharging Current150 A
Charging Curve3 Stages / Float
Charging Strategy for Li-Ion BatterySelf-adaption to BMS
Number of DC Connections1
PV String Input Data
Maximum DC Input Power7,500 W
Nominal DC Voltage360VDC
Maximum DC Input Voltage600VDC
MPPT Range120~550VDC
Start-up Voltage / Initial Feed In Voltage125VDC / 160VDC
Maximum Input Current per MPPT15 A
Maximum Isc PV21 A
Maximum Inverter Back Feed Current to Array0 A
Number of MPP Trackers2 with 2 inputs each
AC Output Data (On-grid)
Nominal Apparent Power Output to Utility Grid6,000 VA
Nominal Output Voltage220VAC / 240VAC L1-L2, 110VAC / 120VAC L-N
Nominal Output Frequency50 / 60 Hz
Output Frequency Range47.5~51.5 Hz or 59.3~60.5 Hz
Output Voltage Range105.5–132VAC per phase
Inrush Current/Duration30 A per phase / 20 ms
O/P DC Component<100 mA
Output Power Factor>0.99 (Adjustable from 0.9 leading to 0.9 lagging)
Output THDi (@Nominal Output)<3%
Switch Over Time (Grid Down)<8 ms
AC Output Data (Back-up)
Maximum Output Apparent Power6,000VA
Instantaneous Power (100ms)12,000VA
Surge Power (5 sec)9,000VA
Maximum Output Active Power6,000 W
Nominal Output Voltage220VAC / 240VAC L1-L2, 110VAC / 120VAC L-N
Nominal Output Frequency – Auto Sensing50/60 (±0.1 Hz)
Output THDv (@Linear Load)<3%
Output THDv (@PF 0.8 Non-Linear Load)<5%
Parallel FunctionYes
Parallel Units9
Automated Generator StartIncluded
Maximum Solar to Utility Efficiency96.50%
Maximum Battery to Load Efficiency91.00%
Anti-Islanding ProtectionIntegrated
PV String Input Reverse Polarity ProtectionIntegrated
AFCI (Arc-Fault)Integrated
Ground Fault MonitoringIntegrated
Insulation Resistor DetectionIntegrated
Residual Current Monitoring UnitIntegrated
Output Over Current ProtectionIntegrated – 90 A per phase
Output Short ProtectionIntegrated
Rapid Shut Down RelayIntegrated
General Data
Operating Temperature Range-13 – 140 °F (-25 – 60 °C)
Consumption ModesUPS, Self-Consumption, TOU, Off- Grid Backup, Grid-Tied without Batteries
Relative Humidity0~90%
Operating Altitude<13,123 ft (4,000 m)
CoolingExternal Force Convection
Noise<50 dB
Dimensions (W x H x D)20.28 x 27.55 x 8.5 in (515 x 700 x 215.5 mm)
Noise<50 dB
Dimensions (W x H x D)20.28 x 27.55 x 8.5 in (515 x 700 x 215.5 mm)
Communications Interface
User InterfaceLCD / Phone Application (iOS & Android)
Communication with BMSCANBUS
Communications Between InvertersCANBUS
Communication with Cloud – API with Grid Servicesvia EnergyTrakTM Gateway
Communication PortRS-232
Intelligent SlotRS232 / USB, BMS, Wi-Fi
Certifications / Standards
Grid RegulationUL 1741SA / SB-2020, IEEE1547.1-2020
Safety Regulation6-1, 6-4 IEC / EN 62109-1&2
EMCEN 61000-6-2, EN 61000-6-3

Specifications are typical/nominal. Subject to change without notice.

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