- 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
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Axpert MAX II TWIN 8KW/11KW/12KW
Dual outputs for smart load management
Axpert MAX II TWIN is a high-performance off-grid inverter with a 150A MPPT solar charger and customizable status RGB lights. Axpert MAX II TWIN is occupied with two outputs. The second output can be scheduled on/off, setting cut-off voltage or SOC, and discharging time via LCD settings.


Main Features
- •Increased PV power
- •Touchable button with color LCD
- •Status indication with RGB lights
- •Dual outputs for smart load management
- •Upgrade maximum PV current to 60A for 12K model
- •Built-in WiFi with an APP 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
- •Built-in DC output for DC fan, LED bulb, router, and so on
- •Parallel operation with 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 |
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Brochure | Axpert_MAX II-TWIN |
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Manual | Axpert MAXII-11K-TWIN-Off-grid-manual |
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Manual | Axpert MAXII-8K-TWIN-Off-grid-manual |
Off-Grid Inverter Axpert MAX II TWIN 8KW/11KW/12KW Dual outputs for smart load management
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