Voltronic Power Axpert VM III TWIN 4K Off-Grid Solar Inverter

Voltronic Power Solar Inverter Datasheet — AXPERT-VM-III-TWIN-4K

The Axpert VM III TWIN 4K is an off-grid solar inverter rated Axpert VM III TWIN 4K.

SKU: AXPERT-VM-III-TWIN-4K | Last Updated: 2026-08-18

⚡Electrical Specifications

Rated Power4000VA/4000W
Selectable Voltage Range170-280 VAC (For Personal Computers)
AC Voltage Regulation (Batt. Mode)230VAC ±10%
Efficiency (Peak)90% - 93%
Maximum PV Array Power5000W
Maximum PV Input Current27A
Maximum Charge Current120A
Communication InterfaceUSB/RS232/RS485/WiFi/Dry-contact
Surge Power8000VA
Maximum Solar Charge Current120A
Maximum AC Charge Current100A
MPP Range @ Operating Voltage60 ~ 450 VDC
Maximum PV Array Open Circuit Voltage500 VDC
WaveformPure sine wave
Transfer Time10 ms (For Personal Computers) 20 ms (For Home Appliances)
Solar Charger typeMPPT
Battery Voltage24 VDC
Overcharge Protection33 VDC

🔧Mechanical Specifications

🌡️Environmental Specifications

Humidity5% to 95%
Operating Temperature-10°C to 50°C
Storage Temperature-15°C to 60°C

📏Dimensions

Width300 mm
Height435 mm
Depth115 mm
Weight9.0 kg