Voltronic Power Axpert Ultra 8K Off-Grid Solar Inverter

Voltronic Power Solar Inverter Datasheet — AXPERT-ULTRA-8K

The Axpert Ultra 8K is an off-grid solar inverter rated Axpert Ultra 8K.

SKU: AXPERT-ULTRA-8K | Last Updated: 2026-08-18

⚡Electrical Specifications

Parallel CapabilityYES, 6 units
Selectable Voltage Range170-280 VAC (For Personal Computers)
AC Voltage Regulation (Batt. Mode)230VAC ± 5%
Efficiency (Peak)93%
MPPT Range @ Operating Voltage90-450 VDC
Maximum PV Input Current27A x 2 (MAX 40A)
Maximum Charge Current150A
Rated Power8000VA/8000W
Surge Power16000VA
Maximum PV Array Power10000W (5000W x 2)
Maxmum Solar Charge Current150A
Maximum AC Charge Current120A
Communication InterfaceUSB/RS232/RS485/WiFi/Dry-contact/BTS
WaveformPure sine wave
External Current Sensor PortYes, built-in current transformer sensor
Compliance SafetyCE
Floating Charge Voltage54 VDC
Solar Charger TypeMPPT
Maximum PV Array Open Circuit Voltage500 VDC
Battery Voltage48 VDC
Overcharge Protection63 VDC

🔧Mechanical Specifications

Net Weight (kgs)18.4

🌡️Environmental Specifications

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

📏Dimensions

Width438 mm
Height553.6 mm
Depth145 mm
Weight