Growatt 20KW LV Three Phase Hybrid Inverter

Growatt 20KW WIT 20K-HU LV Three Phase Hybrid Inverter Overview

The Growatt 20KW WIT 20K-HU is a three-phase hybrid inverter built for solar systems that need substantial daytime generation, low-voltage battery storage and dependable backup power. Its 20,000W rated output makes it suitable for larger homes, offices, shops, farms and commercial properties where the electrical supply and connected loads are distributed across three phases.

This inverter manages power from the solar array, battery bank, utility grid and generator input within one system. It can prioritise solar energy during the day, store surplus generation in a compatible battery bank and supply selected backup loads when the grid is unavailable. UPS functionality, black-start support and an under 10ms on-grid/off-grid transfer time further improve its usefulness in areas facing frequent load shedding.

Buyers comparing the growatt 20kw lv inverter price in pakistan should consider more than the purchase amount. PV design limits, battery current capability, backup-load distribution, protection equipment and installation quality directly affect the performance and safety of the complete system.

Why This Hybrid Inverter Stands Out

High PV Input Capacity

The inverter supports up to 40,000W of recommended PV power under module STC conditions. This provides room for a substantial solar array while retaining a 20,000W rated AC output. The final array must still be designed around module voltage, current, temperature correction and the limits of each MPPT.

Powerful Low-Voltage Battery Interface

A 40–60V battery range and 51.2V recommended battery voltage place this model in the low-voltage battery category. Its maximum charging and discharging current is 420A, making correct battery-bank sizing, cable selection, overcurrent protection and BMS communication especially important.

Fast and Flexible Backup

The backup port provides 20,000W of rated AC output and supports up to twice the rated apparent power for 10 seconds. Transfer from grid-connected to backup operation takes less than 10ms. It also supports 100% three-phase unbalanced loads, which is valuable where each phase carries a different load.

Generator and Smart Load Support

A dedicated generator input allows another energy source to be integrated into the hybrid system. Smart load control helps installers manage selected loads according to available solar, battery and system conditions.

Outdoor-Ready Protection

The IP66 enclosure provides strong protection against dust and water ingress. Smart air cooling supports thermal management across an operating temperature range of -30°C to +60°C, with power derating above 45°C.

Best For

The Growatt 20KW WIT 20K-HU is well suited to:

• Three-phase homes with large daytime and backup loads
• Offices, shops and commercial buildings
• Solar systems requiring low-voltage battery storage
• Properties affected by regular load shedding
• Installations requiring generator integration
• Systems with different load levels across three phases
• Users requiring high battery charge and discharge capability
• Projects needing remote monitoring through an application
• Installations where an IP66 enclosure is beneficial

Not Ideal For

This inverter may not be suitable for:

• Properties operating only on a single-phase electrical supply
• High-voltage battery systems outside its 40–60V battery range
• Small installations where a 20,000W three-phase inverter would be unnecessarily large
• Buyers requiring only a basic on-grid system without battery or backup functions
• PV arrays exceeding its voltage, current or MPPT limits
• Batteries without verified voltage, current and communication compatibility
• Locations where the required ventilation clearance cannot be provided
• Parallel-system designs that have not received exact model-specific technical approval

Solar PV Input and MPPT Performance

The inverter accepts up to 40,000W of recommended PV power and has a maximum input voltage of 1000V. It starts operating from 180V, uses a nominal PV voltage of 625V and provides an MPPT operating range of 150–850V.

Two MPPT trackers allow the solar array to be divided into two independently managed groups. Each MPPT supports two PV strings, giving a total arrangement of up to four strings. Maximum input current is 40A per MPPT, while maximum short-circuit current is 50A per MPPT. Maximum string current is up to 20A.

These limits must be checked against the selected panel’s Voc, Vmp, Isc and Imp values. Cold-weather voltage correction is also necessary because string voltage can rise as module temperature falls. Panel wattage alone is not enough to approve a string design.

Battery Compatibility and Energy Storage

The Growatt WIT 20K-HU supports lithium-ion and lead-acid batteries operating between 40V and 60V. Its recommended battery voltage is 51.2V, which makes it a low-voltage hybrid inverter.

Maximum battery charging and discharging current is 420A. A battery bank must therefore be selected according to its continuous current rating, usable capacity, BMS limits and the backup load required by the property. A single battery should not be assumed capable of supplying the inverter’s full output merely because its nominal voltage matches.

RS485 and CAN communication are provided for BMS integration. Compatibility must cover the battery architecture, communication protocol, firmware, cable pinout and permitted charge/discharge current. Specific battery brands should only be selected after their exact models have been verified for this inverter.

Backup Power and Load-Shedding Performance

The backup output is rated at 20,000W with a maximum output current of 60.61A. It supplies three-phase AC at 220/380V, 230/400V or 240/415V and supports a nominal frequency of 50Hz or 60Hz.

For short starting surges, the backup port can deliver twice the rated apparent power for up to 10 seconds. This can help with suitable motors and other loads that draw a higher current during startup, but every load must still be checked for starting current, running power and phase distribution.

An on-grid/off-grid transfer time below 10ms supports fast changeover during grid failure. Actual backup duration depends on usable battery energy, connected load, inverter losses, battery limits, temperature and battery condition. The inverter rating does not determine runtime by itself.

Generator Input and Smart Load Control

Generator input allows the system to use a compatible generator when solar, battery or grid energy is insufficient. Generator capacity, voltage, frequency, phase sequence and operating limits must be matched before commissioning.

Smart load control can direct available energy toward selected loads according to system conditions. This is useful for separating essential and flexible consumption, but the load-control strategy should be configured by a qualified installer.

Monitoring and Communication

The inverter includes Wi-Fi and LAN connectivity for remote monitoring. RS485 and USB interfaces support local communication and servicing, while RS485/CAN communication is available for the battery-management system.

Operating information can be viewed through the OLED/LED display and compatible application. Monitoring allows users and installers to review solar generation, battery behaviour, grid interaction, load demand and system alerts without relying only on the physical inverter display.

Technical Specifications

Solar Input

Battery

AC and Grid

Backup Output

Efficiency and General Specifications

Integrated Protection

• PV reverse-polarity protection
• DC switch
• Type II DC surge protection
• Type II AC surge protection
• Insulation-resistance monitoring
• Residual-current monitoring
• AC short-circuit protection
• Ground-fault monitoring
• Grid monitoring
• PV string monitoring
• Anti-islanding protection
• Optional AFCI function

Recommended Solar System Size

The inverter permits up to 40,000W of recommended PV power, but this figure should not automatically become the final array size. The inverter’s output rating and permitted PV-array capacity represent different limits.

The installer must calculate the number of panels per string using module Voc, Vmp, Isc and Imp values. Temperature-adjusted voltage, 40A current per MPPT, 50A short-circuit current per MPPT, the 150–850V MPPT range and the 1000V maximum input voltage must all remain within permitted limits.

Battery-bank capacity should be calculated separately from the PV array. Required backup load, target runtime, battery usable energy and current capability determine the appropriate storage size.

Hybrid Inverter Use in Pakistan

A three-phase hybrid inverter can reduce daytime grid consumption while maintaining battery backup for selected loads during load shedding. This is particularly useful for commercial premises and larger residential properties where daytime solar use and continuity of essential equipment are both important.

Pakistan’s heat, dust, grid fluctuations and installation conditions require suitable ventilation, earthing, surge protection, DC isolation, cable sizing and phase balancing. Although the inverter has an IP66 enclosure, it should still be installed in an accessible location protected from unnecessary heat exposure and poor airflow.

Growatt 20KW WIT 20K-HU Price in Pakistan

The current price of the Growatt 20KW WIT 20K-HU LV Three Phase Hybrid Inverter in Pakistan is Rs. 675,500. Contact Hajvery Solar to confirm availability and quantity-based dealer pricing.

The growatt 20kw lv inverter price can vary with stock availability, warranty coverage, exchange-rate movement and supplier costs. Customers evaluating the growatt 20kw hybrid inverter price in pakistan should also include the cost of compatible batteries, protection equipment, installation and correct PV string design.

For an updated growatt 20kw inverter price, contact Hajvery Solar Energy before placing an order. Hajvery Solar Energy is a Growatt Official Distributor serving retail customers, solar installers and dealers.

Important Search-Term Clarification

People searching for growatt 20kw inverter price in pakistan olx should verify the exact model number, serial details, condition and applicable warranty before comparing an offer with a new unit supplied through an authorised sales channel.

Searches such as growatt 20kv inverter and growatt 20kv inverter price in pakistan use an incorrect unit for this product. The WIT 20K-HU has a 20kW rated AC output; it is not identified as a 20kV inverter.

The phrases growatt 20kva inverter price in pakistan and growatt 20 kva inverter price in pakistan are also used by some buyers. However, kW and kVA should not automatically be treated as interchangeable. This product is identified by its 20kW rated output, while apparent-power limits are expressed separately in VA.

Hajvery Verified Product Information

The exact product model is Growatt WIT 20K-HU. Before purchasing, check the model label, serial number, packaging, warranty details, battery architecture and included accessories.

As a Growatt authorized dealer, Hajvery Solar Energy helps buyers check whether the proposed PV array, three-phase connection, backup loads and low-voltage battery bank are appropriate for this inverter. Final approval should be based on complete system information rather than inverter capacity alone.

Warranty and After-Sales Support

The Growatt WIT 20K-HU comes with a 10-year replacement warranty. Warranty claims and technical support are routed through Growatt service centres in Islamabad, Karachi and Lahore. Applicable claim requirements and product eligibility should be confirmed when purchasing.

Hajvery Solar Energy supports customers as an Official Growatt Distributor by providing a clear route for product identification, warranty guidance and after-sales coordination.

Before You Buy

Confirm the following before ordering:

• The property has a suitable three-phase electrical connection.
• The battery system operates within the 40–60V range.
• The battery supports the required BMS protocol and current.
• The PV string design remains within all voltage and current limits.
• Backup loads are identified and distributed correctly across phases.
• Generator voltage, frequency, capacity and phase sequence are suitable.
• Required AC/DC protection and earthing are included.
• Installation space provides suitable access and ventilation.
• Optional features such as AFCI are confirmed when required.

Always obtain the correct growatt 20kw lv inverter manual for the WIT 20K-HU before installation. Searches for growatt 20kw inverter manual, growatt 20kw inverter manual pdf or similar files should be checked against the complete model code and document version. Do not configure the inverter from instructions intended for another model.

Frequently Asked Questions

What is the Growatt 20KW LV inverter price in Pakistan?

The current price is Rs. 675,500 per inverter. Contact Hajvery Solar for stock confirmation, dealer rates and nationwide delivery information.

Is the Growatt WIT 20K-HU a low-voltage inverter?

Yes. It supports batteries operating between 40V and 60V, with 51.2V as the recommended battery voltage.

Is this a single-phase or three-phase inverter?

It is a three-phase hybrid inverter supporting 3P+PE and 3P+N+PE grid connections.

How much solar power can be connected?

The maximum recommended PV power is 40,000W. Final array size and string arrangement must remain within the inverter’s MPPT voltage, input-current, short-circuit-current and maximum-voltage limits.

What batteries are supported?

The inverter supports compatible lithium-ion and lead-acid batteries. Battery voltage, charge/discharge current, BMS protocol, firmware and communication cable must be checked before installation.

Is it suitable for load shedding?

Yes. It provides a 20,000W rated backup output, under 10ms transfer time, UPS functionality and three-phase unbalanced-load support. Backup duration depends on battery capacity and actual load.

Does it support a generator?

Yes. Generator input and smart load control are supported. Generator specifications and inverter settings must be matched by a qualified installer.

What warranty is included?

It comes with a 10-year replacement warranty, with service-centre access in Islamabad, Karachi and Lahore. Confirm the required claim documents and applicable conditions when purchasing.

Buy Growatt 20KW WIT 20K-HU from Hajvery Solar

Buy the genuine Growatt WIT 20K-HU from Hajvery Solar Energy for professional compatibility guidance, current stock information and after-sales coordination. Retail customers, installers and dealers can purchase through the Lahore display centre, with nationwide delivery available across Pakistan.

Hajvery Solar Energy is an authorized Growatt dealer helping customers confirm the three-phase supply, PV string arrangement, battery communication, generator requirements and backup-load plan before installation.