Growatt WIT 15K-HU Hybrid Three Phase inverter

  • Rated AC Output Power: 15 kW
  • Type: 3-Phase Hybrid Inverter
  • Max. PV Input Power: 24 kW
  • Max. DC Voltage: 1000 V
  • MPPT Range: 150–850 V
  • MPPT Trackers: 2
  • Max. Input Current: 40 A / MPPT
  • Battery Voltage: 40–60 V / 51.2 V
  • Max. Charge/Discharge Current: 290 A
  • Max. AC Apparent Power: 16.5 kVA
  • Max. Efficiency: 97.6%
  • Backup Overload: 200% for 10 s
  • Unbalanced Output: 100%
  • Operating Temperature: -30°C to +60°C
  • Protection Rating: IP66
  • Dimensions: 475 × 698 × 240 mm
  • Weight: 43 kg
  • Parallel Connection: Up to 6 Units
  • Generator Input: Supported
  • UPS & Black Start: Supported

$ 1,650

Prices were last updated on October 10, 2026

Growatt WIT 15K-HU Hybrid three phase Technical Specifications

Product Features

  • Maximum PV string current: up to 20A
  • Maximum charging/discharging current: 290A
  • 100% unbalanced output: each phase can provide up to 50% of rated power
  • 200% overload capability: 2× rated power for 10 seconds
  • UPS function: Supported
  • Black start: Supported
  • Generator input: Integrated
  • Smart load control: Supported

 

Input Data — PV

Parameter WIT 15K-HU
Max. recommended PV power (for module STC) 24,000 W
Max. input voltage 1,000 V
Start voltage 180 V
Nominal voltage 600 V
MPPT voltage range 150–850 V
Max. input current per MPP tracker 40 A
Max. short-circuit current per MPP tracker 50 A
No. of MPP trackers 2
No. of PV strings per MPP tracker 2/1

 

Output Data — AC

Parameter WIT 15K-HU
AC nominal power 15,000 W
Max. AC apparent power 16,500 VA
Nominal AC voltage/range 220V/380V, 230V/400V, -15%~+10%
Nominal AC grid frequency/range 50/60Hz, 45~55Hz / 55~65Hz
Max. output current 25A @ 220V / 23.9A @ 230V
Adjustable power factor -1 … +1
THDi <3%
AC grid connection type 3P3W+PE / 3P4W+PE

 

 

Input Data — AC

Parameter WIT 15K-HU
AC nominal power 30,000 W
Max. AC apparent power 33,000 VA
Nominal AC voltage/range 220V/380V, 230V/400V, -15%~+10%
Nominal AC grid frequency/range 50/60Hz, 45~55Hz / 55~65Hz
Max. input current 50.1A @ 220V / 47.8A @ 230V

 

Battery Data — DC

Parameter WIT 15K-HU
Battery type Lead-acid or Lithium-ion
Battery voltage range / Rated voltage 40–60V / 51.2V
Max. charging and discharging current 290A
BMS communication RS485 / CAN

 

 

Backup Power — AC

Parameter WIT 15K-HU
Rated AC output power 15,000 W
Max. AC apparent power 30,000 VA
Rated AC output voltage 220V/380V, 230V/400V
Nominal AC output frequency 50/60Hz
Max. output current 45.5A @ 220V / 43.4A @ 230V
THDv 3% (Linear load)
Load unbalance 100% three-phase unbalanced
On/off grid transfer time 10ms

 

Efficiency

Parameter WIT 15K-HU
Max. efficiency 97.60%
European efficiency 97.00%
MPPT efficiency 99.90%

 

Protection Devices

Protection WIT 15K-HU
PV reverse polarity protection Yes
DC switch Yes
DC/AC surge protection Type II / Type III
Insulation resistance monitoring Yes
Residual-current monitoring unit Yes
AC short-circuit protection Yes
Ground fault monitoring Yes
Grid monitoring Yes
Strings monitoring Yes
Anti-islanding protection Yes
PID protection Optional
AFCI function Optional

 

General Specifications

Parameter WIT 15K-HU
Dimensions (W / H / D) 475 / 698 / 240 mm
Weight 43 kg
Operating temperature range -30°C … +60°C (>45°C, derating)
Noise ≤50 dB(A)
Relative humidity 0–100%
Altitude 3000 m
Topology Transformerless
Cooling Smart air cooling
IP degree IP66
Display OLED / LED + APP
Interfaces: RS485 / USB Yes
Interfaces: WIFI / LAN Yes
Warranty (5/10 years) Yes / Optional

 

Standards

  • IEC 62109
  • IEC 61000
  • IEC 61727
  • IEC 62116
  • IEC 61683
  • IEC 60068
  • EN 50549
  • VDE 4105

 

Specification WIT 15K-HU
Rated AC Power 15 kW
Max. AC Apparent Power 16.5 kVA
Max. PV Power 24 kW
Max. PV Input Voltage 1000 V
MPPT Range 150–850 V
Max. PV Current / MPPT 40 A
Max. Battery Charge/Discharge Current 290 A
Battery Voltage 40–60 V / 51.2 V rated
Backup Power 15 kW rated / 30 kVA max.
Backup Overload 200% for 10 sec
Phase Three-phase
Unbalanced Output 100%
UPS Transfer Time 10 ms
Max. Efficiency 97.60%
MPPT Efficiency 99.90%
Protection Rating IP66
Dimensions 475 × 698 × 240 mm
Weight 43 kg

 

Where the Growatt WIT 15K-HU Hybrid three phase Fits Best ?

The Growatt WIT 15K-HU is ideal for homes, villas, small businesses, and commercial sites that need reliable three-phase backup power. It works well for solar systems with battery storage, especially where energy independence and backup power are important. It may not be the right choice for small residential systems with low power demand or projects that only need a simple grid-tied inverter. For very large commercial or industrial installations, a higher-capacity inverter may be more suitable.

 

 

 

What is the Growatt WIT 15K-HU 15kW hybrid inverter designed for?

The Growatt WIT 15K-HU is a three-phase hybrid solar inverter designed for systems that combine solar PV, battery storage, grid power, and backup loads. It is suitable for residential, commercial, and other three-phase energy storage applications.

Is the Growatt WIT 15K-HU a three-phase 15kW hybrid inverter?

Yes. The Growatt WIT 15K-HU is a three-phase hybrid inverter with a nominal AC output power of 15kW. It can manage solar generation, battery charging and discharging, and backup power within its specified operating limits.

What type of battery is compatible with the Growatt 15kW hybrid inverter?

The WIT 15K-HU is designed for low-voltage battery systems and can work with 48V-class lithium battery solutions. Battery compatibility should be checked according to the supported voltage range, communication protocol, and battery manufacturer's specifications.

How does zero export work with the Growatt WIT 15K-HU?

The Growatt WIT 15K-HU can use a smart meter or CT-based power measurement to monitor energy flowing between the system and the grid. With the appropriate settings, the inverter can regulate its output to limit or prevent electricity from being exported to the grid.

What should I consider when checking the Growatt 15kW inverter price?

The Growatt 15kW inverter price can vary depending on the supplier, country, warranty, availability, and included accessories. When comparing prices, it is important to check whether meters, CTs, communication devices, and other required components are included.

What is the Growatt WIT 15kW price?

The Growatt WIT 15kW price depends on the market, supplier, shipping costs, and current availability. The price may also differ depending on whether the WIT 15K-HU is purchased as an inverter only or as part of a complete solar and battery system.

Can the Growatt 15kW hybrid inverter provide backup power during a grid outage?

Yes. The Growatt WIT 15K-HU supports backup operation and can supply connected loads using available solar and battery energy when the grid is unavailable. The actual backup capacity depends on the connected loads, battery capacity, and system configuration.

 

 

Growatt 15kw hybrid inverter Introduction

The Growatt WIT 15K-HU is a 15kW three-phase hybrid inverter built for solar systems that need more than just PV conversion. It can work with solar panels, battery storage, and the utility grid, while also providing backup power when the grid goes down.

For homes with higher electricity consumption and small commercial installations, the WIT 15K-HU offers a practical way to manage these different energy sources from a single inverter.

Features and Benefits

One of the main advantages of the WIT 15K-HU is its 15kW three-phase output, which makes it suitable for systems with relatively high loads. The inverter supports low-voltage battery storage and can use stored energy when solar production is not enough.

It can also charge the battery using available solar power or grid electricity, depending on the system configuration. For installations where exporting electricity to the grid is not desirable, the inverter can be configured for zero-export operation using the appropriate meter or CT setup.

The built-in energy management functions help the system decide where available power should go — to the loads, the battery, or the grid.

Growatt 15kw hybrid inverter Applications

The WIT 15K-HU can be used in a range of three-phase solar projects. Typical applications include larger homes, villas, offices, shops, workshops, and small commercial buildings.

It makes particular sense where daytime electricity consumption is significant but there is also a need to store excess solar energy for use later in the day. Battery backup is another useful feature for locations where grid interruptions are a concern.

It can also be used in solar systems designed to reduce reliance on grid electricity and increase direct use of locally generated solar power.

Installation Tips

The installation of a 15kW three-phase hybrid inverter needs proper planning. PV string voltage and current should be checked against the inverter’s MPPT and maximum DC input limits before connecting the panels. Battery voltage, cable sizing, protection devices, and the three-phase AC connection also need to be selected correctly.

If zero-export is required, pay close attention to the CT sensors or smart meter. Incorrect CT direction or configuration can result in inaccurate grid readings and improper export control.

The inverter should be installed by a qualified technician, with adequate ventilation and sufficient clearance around the unit. After wiring is completed, the system should be checked and commissioned according to the manufacturer’s instructions.

Warranty

Warranty coverage for the growatt 15kw hybrid inverter depends on the country, distributor, and purchase terms. Before placing an order, it is worth confirming the exact warranty period and what is covered, particularly for the inverter, communication equipment, and after-sales service.

Using an experienced installer is also recommended. A correct installation not only helps the system perform properly but can also prevent avoidable issues with warranty claims later on.

5/5 - (1 vote)

2 reviews for Growatt WIT 15K-HU Hybrid Three Phase inverter

  1. Samir Nasri –

    The quality of this product is truly remarkable. I’ve purchased similar products from other shops before, but none came close to this level of detail. It also arrived much faster than I expected.

  2. Kamran –

    Very pleased with this purchase. It arrived quickly, and the item itself is beautiful and well-made. The packaging was neat and ensured there was no damage during transit.

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