Description
Growatt WIT 4kW-HU Hybrid Inverter
The Growatt WIT 4kW-HU is a 4kW three-phase hybrid inverter designed for low voltage 48V batteries. It is perfect for residential solar systems. This model gives you fast UPS backup, high reliability and easy connection to AXE batteries.
Why Choose the Growatt WIT 4kW-HU?
This inverter helps you increase self-consumption and provides backup power during outages. It works with affordable low voltage batteries and offers flexible operation.
- ✅ Fast UPS backup with 10 ms switching time.
- ✅ Compatible with low voltage 48V AXE batteries.
- ✅ 100% unbalanced output on three phases.
- ✅ IP66 rating for outdoor installation.
- ✅ Natural convection cooling with smart fan support.
Key Technical Specifications
| Parameter | Value (WIT 4kW-HU) |
|---|---|
| Max. recommended PV power | 6400 W |
| Max. DC voltage | 1000 V |
| Nominal AC power | 4000 W |
| Max. charging / discharging current | 110 A |
| Max. efficiency | 97.6% |
| Battery voltage range | 48 V (low voltage) |
| Protection degree | IP66 |
| Cooling | Natural convection with smart air cooling |
| Dimensions (W/H/D) | 475 / 698 / 240 mm |
| Weight | 43 kg |
| UPS switching time | 10 ms |
Advanced Technology & Benefits
The Growatt WIT 4kW-HU uses modern hybrid technology for low voltage batteries. It offers fast backup and supports unbalanced loads on three phases. You get reliable operation and easy monitoring.
- ✅ Fast UPS backup with 10 ms switching.
- ✅ 100% unbalanced output – each phase up to full power.
- ✅ Works with LiFePO4 low voltage batteries.
- ✅ Export limit function with external meter.
Perfect Compatibility
This inverter works perfectly with Growatt AXE low voltage batteries from 5.1 kWh to 30.6 kWh. It supports LiFePO4 chemistry. You can start with solar only and add battery storage later.
Safety First
Safety is built into the Growatt WIT 4kW-HU. IP66 rating protects against dust and water. Advanced battery management ensures safe charging. The inverter meets all European safety standards.
Easy Installation and Scalability
Installation is simple thanks to compact design. The lightweight body and clear connections make mounting fast. You can expand the system later by adding more batteries or parallel units (planned for 2025).
Who Should Choose This Inverter?
Homeowners who want affordable low voltage battery storage should choose the Growatt WIT 4kW-HU. It is perfect for houses with three-phase connection. Small businesses that need reliable backup power will also benefit. Installers like its simple setup and compatibility with AXE batteries.
Contact Growatt European Distributor today. Our team will help you choose the right system and answer all your questions. Get a quote for the Growatt WIT 4kW-HU hybrid inverter now.
Is the Growatt WIT 4kW-HU compatible with low voltage batteries?
Yes. It works with 48V low voltage batteries such as Growatt AXE series.
Does it have UPS backup function?
Yes. It offers fast UPS backup with 10 ms switching time.
What is the difference between WIT and MOD series?
WIT series works with low voltage 48V batteries while MOD TL3-HU uses high voltage batteries.
Is the inverter suitable for outdoor installation?
Yes. IP66 rating makes it waterproof and dustproof.
Can it handle unbalanced loads?
Yes. It supports 100% unbalanced output on three phases.
Can I monitor the system remotely?
Yes. It supports SHINE WIFI and online monitoring via Growatt app.
Alan –
Growatt systems are reliable workhorses. I’ve done large residential arrays with them, easy scaling, and zero faults post-installation.