- Select Capacity
- VM II-4000 TWIN-PV 5600
- VM II-6000 TWIN-PV 8000
- Select Capacity
- VM II-4000 TWIN-PV 5600
- VM II-6000 TWIN-PV 8000
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Axpert VM II-4K/6K TWIN-PV 5600/8000
Built-in 120A MPPT solar charger with Maximum PV input current 40A
Axpert VM II TWIN is a versatile solar power device designed for efficient energy management. Key features include high PV input capacity (up to 8000W), dual outputs for smart load distribution, built-in WiFi for mobile monitoring and easy updates, BMS communication for battery integration, and a battery-independent design for flexible system configurations. It also includes meter calibration for optimized performance and an anti-dust kit for durability. In short, its a powerful and adaptable solution for solar energy systems.

Main Features
- Increased PV power to 5600W and 8000W based on the model
- Maximum PV input current 40A
- Dual outputs, for smart load management
- Built-in WiFi for mobile monitoring and OTA firmware upgrade. Supports USB On-the-Go function
- Built-in BMS communication port
- Built-in meter calibration for optimized system operation
- Battery-independent design
- Built-in anti-dust kit
MODEL | VM II-4000 TWIN-PV 5600 | VM II-6000 TWIN-PV 8000 | |
Rated Power | 4000VA/4000W | 6000VA/6000W | |
INPUT | |||
Voltage | 230 VAC | 230 VAC | |
Selectable Voltage Range | 170-280 VAC (For Personal Computers); 90-280 VAC (For Home Appliances) | 170-280 VAC (For Personal Computers); 90-280 VAC (For Home Appliances) | |
Frequency Range | 50 Hz/60 Hz (Auto sensing) | 50 Hz/60 Hz (Auto sensing) | |
OUTPUT | |||
AC Voltage Regulation (Batt. Mode) | 230 VAC ± 5% | 230 VAC ± 5% | |
Surge Power | 93% | 93% | |
Efficiency (Peak) | 10 ms (For Personal Computers); 20 ms (For Home Appliances) | 10 ms (For Personal Computers); 20 ms (For Home Appliances) | |
Transfer Time | Pure Sine Wave | Pure Sine Wave | |
Waveform | 8000VA | 12000VA | |
Dual Outputs | Yes | Yes | |
BATTERY | |||
Battery Voltage | 24 VDC | 48 VDC | |
Floating Charge Voltage | 27 VDC | 54 VDC | |
Overcharge Protection | 33 VDC | 63 VDC | |
SOLAR CHARGER & AC CHARGER | |||
Solar Charger Type | MPPT | MPPT | |
Maximum PV Array Open Circuit Voltage | 500 VDC | 500 VDC | |
Maximum PV Array Power | 5600W | 8000W | |
MPPT Range @ Operating Voltage | 60-450 VDC | 60-450 VDC | |
Maximum Solar Charge Current | 120A | 120A | |
Maximum AC Charge Current | 100A | 100A | |
Maximum Charging Current | 120A | 120A | |
Maximum PV Input Current | 122 x 322.7 x 420.3 | 122 x 322.7 x 420.3 | |
PHYSICAL | |||
Dimension, D X W X H (mm) | 9.5 | 10.5 | |
Net Weight (kgs) | USB/RS232/RS485/Wi-Fi | USB/RS232/RS485/Wi-Fi | |
Communication Port | 5% to 95% Relative Humidity(Non-condensing) | 5% to 95% Relative Humidity(Non-condensing) | |
OPERATING ENVIRONMENT | |||
Operating Humidity | -10℃ to 50℃ | -10℃ to 50℃ | |
Operating Temperature | -15℃ to 60℃ | -15℃ to 60℃ | |
Storage Temperature | -15℃ to 60℃ | -15℃ to 60℃ |
General
Rated Power
VM II-4000 TWIN-PV 5600 | 4000VA/4000W |
---|---|
VM II-6000 TWIN-PV 8000 | 6000VA/6000W |
INPUT
Voltage
VM II-4000 TWIN-PV 5600 | 230 VAC |
---|---|
VM II-6000 TWIN-PV 8000 | 230 VAC |
Selectable Voltage Range
VM II-4000 TWIN-PV 5600 | 170-280 VAC (For Personal Computers); 90-280 VAC (For Home Appliances) |
---|---|
VM II-6000 TWIN-PV 8000 | 170-280 VAC (For Personal Computers); 90-280 VAC (For Home Appliances) |
Frequency Range
VM II-4000 TWIN-PV 5600 | 50 Hz/60 Hz (Auto sensing) |
---|---|
VM II-6000 TWIN-PV 8000 | 50 Hz/60 Hz (Auto sensing) |
OUTPUT
AC Voltage Regulation (Batt. Mode)
VM II-4000 TWIN-PV 5600 | 230 VAC ± 5% |
---|---|
VM II-6000 TWIN-PV 8000 | 230 VAC ± 5% |
Surge Power
VM II-4000 TWIN-PV 5600 | 93% |
---|---|
VM II-6000 TWIN-PV 8000 | 93% |
Efficiency (Peak)
VM II-4000 TWIN-PV 5600 | 10 ms (For Personal Computers); 20 ms (For Home Appliances) |
---|---|
VM II-6000 TWIN-PV 8000 | 10 ms (For Personal Computers); 20 ms (For Home Appliances) |
Transfer Time
VM II-4000 TWIN-PV 5600 | Pure Sine Wave |
---|---|
VM II-6000 TWIN-PV 8000 | Pure Sine Wave |
Waveform
VM II-4000 TWIN-PV 5600 | 8000VA |
---|---|
VM II-6000 TWIN-PV 8000 | 12000VA |
Dual Outputs
VM II-4000 TWIN-PV 5600 | Yes |
---|---|
VM II-6000 TWIN-PV 8000 | Yes |
BATTERY
Battery Voltage
VM II-4000 TWIN-PV 5600 | 24 VDC |
---|---|
VM II-6000 TWIN-PV 8000 | 48 VDC |
Floating Charge Voltage
VM II-4000 TWIN-PV 5600 | 27 VDC |
---|---|
VM II-6000 TWIN-PV 8000 | 54 VDC |
Overcharge Protection
VM II-4000 TWIN-PV 5600 | 33 VDC |
---|---|
VM II-6000 TWIN-PV 8000 | 63 VDC |
SOLAR CHARGER & AC CHARGER
Solar Charger Type
VM II-4000 TWIN-PV 5600 | MPPT |
---|---|
VM II-6000 TWIN-PV 8000 | MPPT |
Maximum PV Array Open Circuit Voltage
VM II-4000 TWIN-PV 5600 | 500 VDC |
---|---|
VM II-6000 TWIN-PV 8000 | 500 VDC |
Maximum PV Array Power
VM II-4000 TWIN-PV 5600 | 5600W |
---|---|
VM II-6000 TWIN-PV 8000 | 8000W |
MPPT Range @ Operating Voltage
VM II-4000 TWIN-PV 5600 | 60-450 VDC |
---|---|
VM II-6000 TWIN-PV 8000 | 60-450 VDC |
Maximum Solar Charge Current
VM II-4000 TWIN-PV 5600 | 120A |
---|---|
VM II-6000 TWIN-PV 8000 | 120A |
Maximum AC Charge Current
VM II-4000 TWIN-PV 5600 | 100A |
---|---|
VM II-6000 TWIN-PV 8000 | 100A |
Maximum Charging Current
VM II-4000 TWIN-PV 5600 | 120A |
---|---|
VM II-6000 TWIN-PV 8000 | 120A |
Maximum PV Input Current
VM II-4000 TWIN-PV 5600 | 122 x 322.7 x 420.3 |
---|---|
VM II-6000 TWIN-PV 8000 | 122 x 322.7 x 420.3 |
PHYSICAL
Dimension, D X W X H (mm)
VM II-4000 TWIN-PV 5600 | 9.5 |
---|---|
VM II-6000 TWIN-PV 8000 | 10.5 |
Net Weight (kgs)
VM II-4000 TWIN-PV 5600 | USB/RS232/RS485/Wi-Fi |
---|---|
VM II-6000 TWIN-PV 8000 | USB/RS232/RS485/Wi-Fi |
Communication Port
VM II-4000 TWIN-PV 5600 | 5% to 95% Relative Humidity(Non-condensing) |
---|---|
VM II-6000 TWIN-PV 8000 | 5% to 95% Relative Humidity(Non-condensing) |
OPERATING ENVIRONMENT
Operating Humidity
VM II-4000 TWIN-PV 5600 | -10℃ to 50℃ |
---|---|
VM II-6000 TWIN-PV 8000 | -10℃ to 50℃ |
Operating Temperature
VM II-4000 TWIN-PV 5600 | -15℃ to 60℃ |
---|---|
VM II-6000 TWIN-PV 8000 | -15℃ to 60℃ |
Storage Temperature
VM II-4000 TWIN-PV 5600 | -15℃ to 60℃ |
---|---|
VM II-6000 TWIN-PV 8000 | -15℃ to 60℃ |
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Brochure | Axpert VM II TWIN |
![]() |
Manual | Axpert VM II TWIN (40A) |
Off-Grid Inverter Axpert VM II-4K/6K TWIN-PV 5600/8000 Built-in 120A MPPT solar charger with Maximum PV input current 40A
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