Voltronic Power Axpert MAX II TWIN 8K

Voltronic Power Solar Inverter Datasheet — VOLTRONIC-AXPERT-MAX-II-TWIN-8K

Discover the Voltronic Power Axpert MAX II TWIN 8K inverter with 8000VA/8000W power and 230VAC regulation for efficient energy solutions.

SKU: VOLTRONIC-AXPERT-MAX-II-TWIN-8K | Last Updated: 2026-07-23

⚡Electrical Specifications

Circulation Current under No Load ConditionMax 2A
DC Offset≤100mV
High DC Cut-off Voltage66Vdc
High DC Recovery Voltage64Vdc
Low DC Cut-off Voltage44Vdc
Max. Charging Current120A
Max. Input Current27A x 2 (MAX 40A)
Max. PV Array Open Circuit Voltage500Vdc
Nominal DC Input Voltage48Vdc
PV Array MPPT Voltage Range90Vdc 450Vdc
Parallel KitYES
Parallel communicationCAN
Peak Efficiency93%
Rated Output Power8000W
Start-up Voltage80V +/- 5Vdc
Transfer time in parallel modeMax 50ms
Max parallel numbers6
Efficiency (Line Mode)>95% (Rated R load, battery full charged)
High Loss Frequency65±1Hz
High Loss Return Frequency63±1Hz
High Loss Return Voltage270Vac±7V
High Loss Voltage280Vac±7V
Low Loss Frequency40±1Hz
Low Loss Return Frequency42±1Hz
Low Loss Return Voltage180Vac±7V (UPS); 100Vac±7V (Appliances)
Low Loss Voltage170Vac±7V (UPS) 90Vac±7V (Appliances)
Max 2nd Output Current40A
Max AC Input Current60A
Max AC Input Voltage300Vac
Max Output Current for 2nd output40A
Nominal Input Frequency50Hz/60Hz (Auto detection)
Nominal Input Voltage230Vac
Output Short Circuit ProtectionLine mode: Circuit Breaker (70A) Battery mode: Electronic Circuits
Battery56.4Vdc
Cold Start Voltage46.0Vdc
DC VoltageDC Offset ≦100mV Power Limitation 50Vdc
Efficiency>95% ( Rated R load Line Mode
Floating Charging Voltage54Vdc
Input Voltage WaveformSinusoidal (utility or generator) Nominal
OutputCharge Time to
Output Frequency60Hz or 50Hz Peak
Output PowerFor 8KW model, when
Output Voltage Regulation230Vac± 5%
Overcharge Protection66Vdc Charging Algorithm 3-Step Charging Curve Time
Overload ProtectionSurge
Rated Power8000W Max. PV Array Open Circuit
Safety CertificationCE
Transfer Time10ms typical (UPS);
AC Voltage Regulation (Batt. Mode)230VAC ± 5%
Surge Power16000VA
Efficiency (Peak)93%
WaveformPure sine wave
Battery Voltage48 VDC
Floating Charge Voltage54 VDC
Solar Charger TypeMPPT
Maximum PV Array Power11000W (5500W x 2)
MPPT Range @ Operating Voltage90 – 450 VDC
Maximum PV Array Open Circuit Voltage500 VDC
Maximum PV Input Current27A x 2 (MAX 40A)
Maximum Solar Charge Current150A
Maximum AC Charge Current120A
Maximum Charge Current150A
Compliance SafetyIEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12
Selectable Voltage Range170-280 VAC (For Personal Computers)

🔧Mechanical Specifications

Dimension, D x W x H (mm)158.4 x 503.6 x 530.8
Net Weight (kgs)20
Communication InterfaceUSB/RS232/RS485/WiFi/Dry-contact

🌡️Environmental Specifications

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

📏Dimensions

Width503.6
Height530.8
Depth158.4
Weight20

✅Certifications

IEC 62109IEC 61683EN/IEC 61000-6-261000-6-461000-3-1161000-3-12