Growatt WIT 15K-HU 15kW - 3-Phase Hybrid LV Inverter

The Growatt WIT 15K-HU is a powerful 15kW three-phase low-voltage hybrid inverter designed for residential and commercial energy storage systems. With support for 48V/51.2V lithium and lead-acid batteries, a maximum PV input power of 24kW, and charge/discharge currents of up to 290A, this inverter offers outstanding flexibility for both new and existing solar installations.

Featuring a maximum efficiency of 97.6%, dual MPPT trackers, 100% unbalanced phase output, and support for generator integration, AC coupling, and smart load management, the WIT 15K-HU maximizes the performance of both solar generation and battery storage. The integrated UPS function with a transfer time of just 10ms ensures that critical loads remain powered during grid outages.

Its robust IP66-rated enclosure allows for both indoor and outdoor installation, while integrated monitoring via app and web portal provides complete visibility and control over the energy system. This makes the Growatt WIT 15K-HU an excellent choice for users seeking maximum energy independence, reliability, and efficient energy management.

Key Features:

• 15kW three-phase hybrid inverter


• Compatible with 48V/51.2V battery systems


• Supports up to 24kW recommended PV power


• Maximum 290A charge and discharge current


• UPS function with ≤10ms transfer time


• 100% unbalanced output support


• Generator connection, AC coupling, and Smart Load functionality


• Maximum efficiency of 97.6%


• IP66 protection rating


• Monitoring via OLED display, app, and web portal


• Supports RS485, CAN, WiFi, and LAN communication systems