55kVA / 50kW Felicity Three-Phase High-Voltage Hybrid Inverter System with Battery Set

The 55kVA / 50kW Felicity Three-Phase High-Voltage Hybrid Inverter System is designed for large commercial and high-demand solar installations requiring three-phase power, high-voltage battery storage and substantial PV capacity.

The supplied inverter configuration features on/off-grid hybrid operation, IP65 protection and a built-in 48kW MPPT system divided into 3 × 16kW sections. It provides six PV input ports, a specified 150–850VDC PV input-voltage range per port, and a 36A + 36A + 36A PV input-current configuration.

The system also includes a modular Felicity battery package comprising 1 × FLH48100UCG2 master battery controller, 6 × FLH48100UMG2 48V 100Ah 5.12kWh Grade A slave battery modules and 1 × FLH48100UG2 7-layer battery rack.

Important specification check: the supplied battery-set capacity is stated as 1.44kWh, but the six supplied slave batteries are each specified at 5.12kWh. Based strictly on those module specifications, 6 × 5.12kWh = 30.72kWh, not 1.44kWh. The correct total battery capacity should therefore be confirmed from the supplier documentation before publishing the product.

Technical Specifications – Inverter System

*The supplied IVGM30KHP3G2 model was previously specified as a 33kVA / 30kW inverter. Its pairing with the stated 55kVA / 50kW system rating should also be verified before publication.

Battery Set Specifications

Complete Package Configuration

• 55kVA / 50kW Felicity three-phase high-voltage hybrid inverter system
• IVGM30KHP3G2 inverter model as supplied
• 1 × FLH48100UCG2 Master Battery Controller
• 6 × FLH48100UMG2 48V 100Ah 5.12kWh Grade A Slave Batteries
• 1 × FLH48100UG2 7-Layer Battery Rack
• 1 × WiFi Module
• Specified battery capacity: 1.44kWh – verification required
• Battery-module calculation: 6 × 5.12kWh = 30.72kWh

Key Features

• High-capacity 55kVA / 50kW system
• Three-phase architecture
• High-voltage hybrid configuration
• On-grid and off-grid operation
• IP65-rated inverter enclosure
• Built-in 48kW MPPT
• 16kW × 3 MPPT configuration
• 6 PV input ports
• 150–850VDC PV input voltage per port
• 36A + 36A + 36A specified PV input current
• 160–800VDC high-voltage battery input
• Six 5.12kWh Grade A battery modules
• Dedicated FLH48100UCG2 master controller
• Dedicated FLH48100UG2 7-layer battery rack
• Supports the specified configuration of up to 72 × 550W–700W panels
• WiFi module included

50kW Three-Phase System Advantage

At a stated 50kW power rating, this system is positioned for considerably larger installations than standard residential hybrid systems.

Its three-phase architecture makes it particularly relevant to properties where substantial electrical demand is distributed across three phases.

Potential applications include:

🏢 Commercial Buildings

🏭 Workshops & Production Facilities

🏨 Hotels & Hospitality

🏫 Schools & Institutions

🏪 Large Retail Premises

💻 Office & IT Infrastructure

🧊 Compatible Commercial Refrigeration

⚙️ Selected Three-Phase Equipment

The final load capability should be determined from the confirmed inverter model and a professional three-phase load assessment.

High-Voltage Battery Architecture

The inverter’s battery input is specified at:

160–800VDC

This means the system uses a high-voltage battery architecture rather than a conventional standalone 48V battery connection.

Although each FLH48100UMG2 slave module is specified at 48V, 100Ah and 5.12kWh, the modules form part of the complete high-voltage battery system managed through the supplied FLH48100UCG2 master battery controller.

A standard standalone 48V/51.2V battery should therefore not be assumed to be a direct substitute for this battery configuration.

Battery Capacity Verification

The supplied battery description contains an important numerical inconsistency.

You specified:

6 × FLH48100UMG2

with each module rated:

5.12kWh

Therefore:

5.12kWh × 6 = 30.72kWh

This does not correspond to the supplied 1.44kWh battery-set capacity.

For this reason, 1.44kWh should not be advertised as the confirmed battery capacity until the supplier documentation or battery nameplate is checked.

Grade A Battery Modules

The package includes six FLH48100UMG2 slave battery modules, each specified as:

🔋 48V

⚡ 100Ah

🔋 5.12kWh

⭐ Grade A

These modules are designed to form part of the complete Felicity battery-storage configuration rather than being treated as unrelated standalone batteries.

Master Battery Controller

The included FLH48100UCG2 Master Battery Controller is a key component of the battery set.

It forms part of the coordinated high-voltage battery architecture connecting the modular storage system to the inverter.

This is particularly important because the inverter requires a 160–800VDC battery input.

7-Layer Battery Rack

The package includes a dedicated:

1 × FLH48100UG2 7-Layer Battery Rack

The rack provides an organised structure for the battery modules and associated battery-system equipment.

The exact allocation and installation arrangement within the seven layers should follow Felicity’s approved configuration.

Built-In 48kW MPPT

The inverter specification includes a substantial 48kW built-in MPPT capacity divided into:

16kW + 16kW + 16kW = 48kW

This provides the solar-input architecture needed for a large commercial PV array.

6 PV Input Ports

The inverter provides six PV input ports, with the supplied panel arrangement specified as:

12×2 + 12×2 + 12×2

This represents:

24 + 24 + 24 = 72 solar panels

Conceptually:

MPPT 1 → 2 × 12-panel strings

MPPT 2 → 2 × 12-panel strings

MPPT 3 → 2 × 12-panel strings

Each string still needs to be checked against the selected panel’s actual electrical characteristics.

Up to 72 × 550W–700W Panels

Using the supplied panel range:

The 72 × 700W configuration equals 50.4kWp, which is above the stated 48kW MPPT figure on a simple nameplate basis. Permitted PV oversizing and the final configuration should therefore be checked against Felicity’s technical requirements.

150–850VDC PV Input

The inverter provides a specified 150–850VDC PV input range per port.

For the proposed 12-panel strings, installers should verify:

• Panel Voc
• Panel Vmp
• Panel Isc
• Operating current
• Temperature coefficient
• Cold-condition string Voc
• Maximum permitted PV voltage
• Permitted current per input

This ensures the panel strings remain within the inverter’s electrical limits under real operating conditions.

On/Off-Grid Hybrid Operation

The system combines:

☀️ Solar PV

🔋 High-Voltage Battery Storage

⚡ Utility Grid

🏢 Three-Phase Loads

This provides greater flexibility for commercial customers looking to combine daytime solar utilisation, battery storage and grid supply within one appropriately configured energy system.

IP65 Protection

The inverter is specified with an IP65-rated enclosure.

This means it is:

Dust-tight and protected against water jets under the applicable IP test conditions.

IP65 does not mean the inverter can be submerged or installed without observing the manufacturer’s requirements for ventilation, mounting, temperature and environmental exposure.

WiFi Module

A WiFi module is included with the system.

This provides connectivity for supported Felicity monitoring functions once the inverter is correctly configured with the applicable monitoring platform.

Applications / Use Cases

🏢 Commercial Buildings – high-capacity three-phase solar and storage.

🏭 Workshops – suitable for professionally assessed three-phase workshop loads.

🏨 Hotels & Hospitality – substantial solar and battery infrastructure for larger facilities.

🏫 Schools & Institutions – suitable for appropriately sized institutional energy systems.

🏪 Retail Premises – supports substantial daytime solar utilisation and battery-backed operation.

☀️ Large PV Systems – specified for up to 72 × 550W–700W solar panels.

🔋 High-Voltage Storage Systems – modular battery configuration with master controller and dedicated rack.

Usage & Installation Notes

• Verify the stated 55kVA / 50kW rating against the supplied IVGM30KHP3G2 model
• Verify the stated 1.44kWh battery capacity, as six 5.12kWh modules mathematically total 30.72kWh
• Use the battery modules only within Felicity’s approved high-voltage configuration
• Do not connect an ordinary 48V battery directly to the 160–800VDC battery input
• Install the master battery controller according to Felicity requirements
• Verify every PV string using actual panel Voc, Vmp and current
• Observe the 150–850VDC PV input limits
• Confirm permitted PV oversizing before finalising a 50.4kWp array
• Install appropriate high-voltage DC protection and isolation
• Use correctly rated three-phase AC protection
• Ensure correct earthing
• Correctly balance three-phase loads
• Follow applicable grid-interconnection requirements
• Installation should be undertaken by appropriately qualified solar personnel

Mini FAQ

What is the stated system capacity?
The system has been supplied as 55kVA / 50kW.

What inverter model is listed?
The supplied model is IVGM30KHP3G2. Because this model was previously specified at 33kVA / 30kW, the model/capacity pairing should be verified.

What battery capacity is supplied?
The description states 1.44kWh, but this conflicts with the individual battery specifications.

What do the six battery modules mathematically total?
Six modules at 5.12kWh each equal 30.72kWh nominal energy. The supplier should confirm which total is correct.

What is the battery input voltage?
The inverter is specified for 160–800VDC high-voltage battery input.

What is the MPPT capacity?
The built-in MPPT is specified at 48kW – 16kW × 3.

How many PV inputs are available?
There are 6 PV input ports.

How many panels can be connected?
The supplied configuration specifies up to 72 × 550W–700W panels, arranged as 12×2 + 12×2 + 12×2, subject to electrical verification.

Does it include WiFi?
Yes. A WiFi module is included.

Why Buy from Macire

• High-capacity three-phase high-voltage system
• Supplied 55kVA / 50kW system rating
• Six 5.12kWh Grade A battery modules
• Dedicated FLH48100UCG2 master battery controller
• Dedicated FLH48100UG2 7-layer rack
• Built-in 48kW MPPT
• 6 PV input ports
• 150–850VDC PV input range
• 160–800VDC high-voltage battery architecture
• On/off-grid hybrid operation
• IP65-rated inverter
• WiFi module included
• Professional commercial solar-system sizing and support

Visit us: Kenafric Business Park, Ruaraka, Nairobi
WhatsApp: 0750 00 66 00
Calls: 0713 520 969 / 0718 762 530
Website: Macire