- Select Capacity
- Axpert MAX II TWIN 8K
- Axpert MAX II TWIN 11K
- Axpert MAX II TWIN 12K
- Select Capacity
- Axpert MAX II TWIN 8K
- Axpert MAX II TWIN 11K
- Axpert MAX II TWIN 12K
205
Axpert MAX II TWIN 8KW-12KW (Single-Phase)
Dual outputs for smart load management
The Axpert MAX II TWIN is a powerful off-grid inverter featuring a 150A MPPT solar charger and customizable RGB status lights. It includes two output channels, with the second output allowing scheduling for on/off times, setting cut-off voltage or state of charge (SOC), and configuring discharging duration through the LCD settings.
Main Features
- Enhanced photovoltaic (PV) power capacity
- Touch-sensitive button paired with a color LCD
- Status display using RGB indicator lights
- Dual output ports for intelligent load management
- Increased maximum PV current to 60A for the 12K model
- Integrated Wi-Fi featuring a mobile app for monitoring and over-the-air (OTA) firmware updates
- Supports USB On-the-Go functionality
- Built-in communication port for Battery Management System (BMS)
- Embedded meter calibration to optimize system performance
- Battery-independent design
- Included an anti-dust protection kit
- Built-in DC output suitable for devices like DC fans, LED bulbs, routers, etc.
- Capability for parallel operation with up to 6 units
| MODEL | Axpert MAX II TWIN 8K | Axpert MAX II TWIN 11K | Axpert MAX II TWIN 12K | |
| Rated Power | 8000VA/8000W | 11000 VA / 11000 W | 12000 VA / 12000 W | |
| Parallel Capability | Yes, 6 units | Yes, 6 units | Yes, 6 units | |
| INPUT | ||||
| Voltage | 230 VAC | 230 VAC | 230 VAC | |
| Voltage Range | 170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance) | 170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance) | 170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance) | |
| Frequency Range | 50/60 Hz (Auto sensing) | 50/60 Hz (Auto sensing) | 50/60 Hz (Auto sensing) | |
| OUTPUT | ||||
| AC Voltage Regulation | 230 VAC ± 5% | 230 VAC ± 5% | 230 VAC ± 5% | |
| Surge Power | 16000 VA | 22000 VA | 24000 VA | |
| Efficiency (Peak) | 93% | 93% | 93% | |
| Transfer Time | 10 ms (For Personal Computers) ; 20 ms (For Home Appliances) | 10 ms (For Personal Computers) ; 20 ms (For Home Appliances) | 10 ms (For Personal Computers) ; 20 ms (For Home Appliances) | |
| Waveform | Pure Sine Wave | Pure Sine Wave | Pure Sine Wave | |
| DC Voltage | 12 VDC ± 5%, 100W | 12 VDC ± 5%, 100W | 12 VDC ± 5%, 100W | |
| BATTERY | ||||
| Battery Voltage | 48 VDC | 48 VDC | 48 VDC | |
| Floating Charge Voltage | 54 VDC | 54 VDC | 54 VDC | |
| Overcharge Protection | 66 VDC | 63 VDC | 63 VDC | |
| SOLAR CHARGER & AC CHARGER | ||||
| Solar Charger type | MPPT | MPPT | MPPT | |
| Maximum PV Array Open Circuit Voltage | 500 VDC | 500 VDC | 500 VDC | |
| Maximum PV Array Power | 11000W (5500W x 2) | 13000W (6500W x 2) | 18000W (Max. 12000W per tracker) | |
| MPPT Range @ Operating Voltage | 90~450 VDC | 90~450 VDC | 90~450 VDC | |
| Maximum Solar Charge Current | 150A | 150A | 150A | |
| Maximum AC Charge Current | 120A | 150A | 150A | |
| Maximum Charging Current | 150A | 150A | 150A | |
| Maximum PV Input Current | 27A x 2 (MAX 40A) | 27A x 2 (MAX 40A) | 40A/27A (MAX 60A) | |
| PHYSICAL | ||||
| Dimension, D X W X H (mm) | 158.4 x 503.6 x 530.8 | 158.4 x 503.6 x 530.8 | 158.4 x 503.6 x 530.8 | |
| Net Weight (kgs) | 20 | 20 | 20 | |
| Communication Port | USB/RS232/RS485/Wifi/Dry-contact | USB/RS232/RS485/Wifi/Dry-contact | USB/RS232/RS485/Wifi/Dry-contact | |
| OPERATING ENVIRONMENT | ||||
| Operating Humidity | 5% to 95% Relative Humidity(Non-condensing) | 5% to 95% Relative Humidity(Non-condensing) | 5% to 95% Relative Humidity(Non-condensing) | |
| Operating Temperature | -10°C to 50°C | -10°C to 50°C | -10°C to 50°C | |
| Storage Temperature | -15°C to 60°C | -15°C to 60°C | -15°C to 60°C | |
| STANDARD | ||||
| Compliance Safety | IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12 | IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12 | IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12 | |
General
Rated Power
| Axpert MAX II TWIN 8K | 8000VA/8000W |
|---|---|
| Axpert MAX II TWIN 11K | 11000 VA / 11000 W |
| Axpert MAX II TWIN 12K | 12000 VA / 12000 W |
Parallel Capability
| Axpert MAX II TWIN 8K | Yes, 6 units |
|---|---|
| Axpert MAX II TWIN 11K | Yes, 6 units |
| Axpert MAX II TWIN 12K | Yes, 6 units |
INPUT
Voltage
| Axpert MAX II TWIN 8K | 230 VAC |
|---|---|
| Axpert MAX II TWIN 11K | 230 VAC |
| Axpert MAX II TWIN 12K | 230 VAC |
Voltage Range
| Axpert MAX II TWIN 8K | 170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance) |
|---|---|
| Axpert MAX II TWIN 11K | 170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance) |
| Axpert MAX II TWIN 12K | 170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance) |
Frequency Range
| Axpert MAX II TWIN 8K | 50/60 Hz (Auto sensing) |
|---|---|
| Axpert MAX II TWIN 11K | 50/60 Hz (Auto sensing) |
| Axpert MAX II TWIN 12K | 50/60 Hz (Auto sensing) |
OUTPUT
AC Voltage Regulation
| Axpert MAX II TWIN 8K | 230 VAC ± 5% |
|---|---|
| Axpert MAX II TWIN 11K | 230 VAC ± 5% |
| Axpert MAX II TWIN 12K | 230 VAC ± 5% |
Surge Power
| Axpert MAX II TWIN 8K | 16000 VA |
|---|---|
| Axpert MAX II TWIN 11K | 22000 VA |
| Axpert MAX II TWIN 12K | 24000 VA |
Efficiency (Peak)
| Axpert MAX II TWIN 8K | 93% |
|---|---|
| Axpert MAX II TWIN 11K | 93% |
| Axpert MAX II TWIN 12K | 93% |
Transfer Time
| Axpert MAX II TWIN 8K | 10 ms (For Personal Computers) ; 20 ms (For Home Appliances) |
|---|---|
| Axpert MAX II TWIN 11K | 10 ms (For Personal Computers) ; 20 ms (For Home Appliances) |
| Axpert MAX II TWIN 12K | 10 ms (For Personal Computers) ; 20 ms (For Home Appliances) |
Waveform
| Axpert MAX II TWIN 8K | Pure Sine Wave |
|---|---|
| Axpert MAX II TWIN 11K | Pure Sine Wave |
| Axpert MAX II TWIN 12K | Pure Sine Wave |
DC Voltage
| Axpert MAX II TWIN 8K | 12 VDC ± 5%, 100W |
|---|---|
| Axpert MAX II TWIN 11K | 12 VDC ± 5%, 100W |
| Axpert MAX II TWIN 12K | 12 VDC ± 5%, 100W |
BATTERY
Battery Voltage
| Axpert MAX II TWIN 8K | 48 VDC |
|---|---|
| Axpert MAX II TWIN 11K | 48 VDC |
| Axpert MAX II TWIN 12K | 48 VDC |
Floating Charge Voltage
| Axpert MAX II TWIN 8K | 54 VDC |
|---|---|
| Axpert MAX II TWIN 11K | 54 VDC |
| Axpert MAX II TWIN 12K | 54 VDC |
Overcharge Protection
| Axpert MAX II TWIN 8K | 66 VDC |
|---|---|
| Axpert MAX II TWIN 11K | 63 VDC |
| Axpert MAX II TWIN 12K | 63 VDC |
SOLAR CHARGER & AC CHARGER
Solar Charger type
| Axpert MAX II TWIN 8K | MPPT |
|---|---|
| Axpert MAX II TWIN 11K | MPPT |
| Axpert MAX II TWIN 12K | MPPT |
Maximum PV Array Open Circuit Voltage
| Axpert MAX II TWIN 8K | 500 VDC |
|---|---|
| Axpert MAX II TWIN 11K | 500 VDC |
| Axpert MAX II TWIN 12K | 500 VDC |
Maximum PV Array Power
| Axpert MAX II TWIN 8K | 11000W (5500W x 2) |
|---|---|
| Axpert MAX II TWIN 11K | 13000W (6500W x 2) |
| Axpert MAX II TWIN 12K | 18000W (Max. 12000W per tracker) |
MPPT Range @ Operating Voltage
| Axpert MAX II TWIN 8K | 90~450 VDC |
|---|---|
| Axpert MAX II TWIN 11K | 90~450 VDC |
| Axpert MAX II TWIN 12K | 90~450 VDC |
Maximum Solar Charge Current
| Axpert MAX II TWIN 8K | 150A |
|---|---|
| Axpert MAX II TWIN 11K | 150A |
| Axpert MAX II TWIN 12K | 150A |
Maximum AC Charge Current
| Axpert MAX II TWIN 8K | 120A |
|---|---|
| Axpert MAX II TWIN 11K | 150A |
| Axpert MAX II TWIN 12K | 150A |
Maximum Charging Current
| Axpert MAX II TWIN 8K | 150A |
|---|---|
| Axpert MAX II TWIN 11K | 150A |
| Axpert MAX II TWIN 12K | 150A |
Maximum PV Input Current
| Axpert MAX II TWIN 8K | 27A x 2 (MAX 40A) |
|---|---|
| Axpert MAX II TWIN 11K | 27A x 2 (MAX 40A) |
| Axpert MAX II TWIN 12K | 40A/27A (MAX 60A) |
PHYSICAL
Dimension, D X W X H (mm)
| Axpert MAX II TWIN 8K | 158.4 x 503.6 x 530.8 |
|---|---|
| Axpert MAX II TWIN 11K | 158.4 x 503.6 x 530.8 |
| Axpert MAX II TWIN 12K | 158.4 x 503.6 x 530.8 |
Net Weight (kgs)
| Axpert MAX II TWIN 8K | 20 |
|---|---|
| Axpert MAX II TWIN 11K | 20 |
| Axpert MAX II TWIN 12K | 20 |
Communication Port
| Axpert MAX II TWIN 8K | USB/RS232/RS485/Wifi/Dry-contact |
|---|---|
| Axpert MAX II TWIN 11K | USB/RS232/RS485/Wifi/Dry-contact |
| Axpert MAX II TWIN 12K | USB/RS232/RS485/Wifi/Dry-contact |
OPERATING ENVIRONMENT
Operating Humidity
| Axpert MAX II TWIN 8K | 5% to 95% Relative Humidity(Non-condensing) |
|---|---|
| Axpert MAX II TWIN 11K | 5% to 95% Relative Humidity(Non-condensing) |
| Axpert MAX II TWIN 12K | 5% to 95% Relative Humidity(Non-condensing) |
Operating Temperature
| Axpert MAX II TWIN 8K | -10°C to 50°C |
|---|---|
| Axpert MAX II TWIN 11K | -10°C to 50°C |
| Axpert MAX II TWIN 12K | -10°C to 50°C |
Storage Temperature
| Axpert MAX II TWIN 8K | -15°C to 60°C |
|---|---|
| Axpert MAX II TWIN 11K | -15°C to 60°C |
| Axpert MAX II TWIN 12K | -15°C to 60°C |
STANDARD
Compliance Safety
| Axpert MAX II TWIN 8K | IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12 |
|---|---|
| Axpert MAX II TWIN 11K | IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12 |
| Axpert MAX II TWIN 12K | IEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12 |
 |
Brochure | Axpert_MAX II-TWIN |
|
Manual | Axpert Max II TWIN 12KW Manual |
|
Manual | Axpert MAXII-11K-TWIN-Off-grid-manual |
|
Manual | Axpert MAXII-8K-TWIN-Off-grid-manual |
Off-Grid Inverter Axpert MAX II TWIN 8KW-12KW (Single-Phase) Dual outputs for smart load management
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