Growatt WIT 8K-HU

Growatt WIT 8K-HU

3P Hybrid PV Inverter | Battery System: Growatt ARK LV / Growatt ALP LV / Growatt AXE LV / Growatt HOPE LV

• Hybridsystem
• 3phases
• ARK / ALP / AXE / HOPEbattery
• 12.8kWPV max
• 1000Vdcsystem voltage
• 10 yearswarranty
• 38kgpalletized shipping

The Growatt WIT 8K-HU (WIT 4-15K-HU) is a three-phase hybrid inverter for low-voltage lead-acid or lithium-ion batteries (51.2 V rated voltage) with up to 290 A charging and discharging current. It delivers 100 % unbalanced output, with each phase supplying up to 50 % of rated power, and a 200 % overload capability for 10 seconds. Up to 10 units can operate in parallel, and a generator input with smart load control is integrated.

Growatt was ranked No. 1 worldwide in 2025 shipments of hybrid split-type energy storage inverters (Frost & Sullivan) and is an S&P Global Energy Tier 1 PV inverter supplier for 2026.

Key features

• Max. charging/discharging current up to 290 A
• 100 % unbalanced output, each phase up to 50 % of rated power
• 200 % overload capability for 10 s
• Up to 10 units in parallel
• Generator input and smart load control

Battery compatibility

• Battery: Growatt ARK LV
• Capacity: 2.56kWh-25.6kWh per cluster
• Battery modules: 1-10 units per cluster
• Installation: ARK battery base, ARK wall bracket
• Datalogger: Growatt Shine datalogger
• Meter: Growatt three-phase smart meter
• Backup box: backup integrated in inverter

• Battery: Growatt ALP LV
• Capacity: 5kWh-40kWh per cluster
• Battery modules: 1-8 units per cluster
• Installation: ALP battery base
• Datalogger: Growatt Shine datalogger
• Meter: Growatt three-phase smart meter
• Backup box: backup integrated in inverter

• Battery: Growatt AXE LV
• Capacity: 5kWh-50kWh per cluster
• Battery modules: 1-10 units per cluster
• Installation: AXE LV accessory package
• Datalogger: Growatt Shine datalogger
• Meter: Growatt three-phase smart meter
• Backup box: backup integrated in inverter

• Battery: Growatt HOPE LV
• Capacity: 16kWh-768kWh
• Battery modules: 1-48 units
• Datalogger: Growatt Shine datalogger
• Meter: Growatt three-phase smart meter
• Backup box: backup integrated in inverter

Technical data

Downloads

Datasheet

• Datasheet WIT 8K-HUEN2.9 MB

Certificates

• VDE-AR-N 4105EN714 KB
• EN 50549-1EN686 KB
• NC RfG Poland (PTPiREE)EN773 KB
• IEC 62109EN673 KB