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
General
Rated Power
Axpert MAX II TWIN 8K8000VA/8000W
Axpert MAX II TWIN 11K11000 VA / 11000 W
Axpert MAX II TWIN 12K12000 VA / 12000 W
Parallel Capability
Axpert MAX II TWIN 8KYes, 6 units
Axpert MAX II TWIN 11KYes, 6 units
Axpert MAX II TWIN 12KYes, 6 units
INPUT
Voltage
Axpert MAX II TWIN 8K230 VAC
Axpert MAX II TWIN 11K230 VAC
Axpert MAX II TWIN 12K230 VAC
Voltage Range
Axpert MAX II TWIN 8K170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance)
Axpert MAX II TWIN 11K170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance)
Axpert MAX II TWIN 12K170-280 VAC (For Personal Computers) 90-280 VAC (For Home Appliance)
Frequency Range
Axpert MAX II TWIN 8K50/60 Hz (Auto sensing)
Axpert MAX II TWIN 11K50/60 Hz (Auto sensing)
Axpert MAX II TWIN 12K50/60 Hz (Auto sensing)
OUTPUT
AC Voltage Regulation
Axpert MAX II TWIN 8K230 VAC ± 5%
Axpert MAX II TWIN 11K230 VAC ± 5%
Axpert MAX II TWIN 12K230 VAC ± 5%
Surge Power
Axpert MAX II TWIN 8K16000 VA
Axpert MAX II TWIN 11K22000 VA
Axpert MAX II TWIN 12K24000 VA
Efficiency (Peak)
Axpert MAX II TWIN 8K93%
Axpert MAX II TWIN 11K93%
Axpert MAX II TWIN 12K93%
Transfer Time
Axpert MAX II TWIN 8K10 ms (For Personal Computers) ; 20 ms (For Home Appliances)
Axpert MAX II TWIN 11K10 ms (For Personal Computers) ; 20 ms (For Home Appliances)
Axpert MAX II TWIN 12K10 ms (For Personal Computers) ; 20 ms (For Home Appliances)
Waveform
Axpert MAX II TWIN 8KPure Sine Wave
Axpert MAX II TWIN 11KPure Sine Wave
Axpert MAX II TWIN 12KPure Sine Wave
DC Voltage
Axpert MAX II TWIN 8K12 VDC ± 5%, 100W
Axpert MAX II TWIN 11K12 VDC ± 5%, 100W
Axpert MAX II TWIN 12K12 VDC ± 5%, 100W
BATTERY
Battery Voltage
Axpert MAX II TWIN 8K48 VDC
Axpert MAX II TWIN 11K48 VDC
Axpert MAX II TWIN 12K48 VDC
Floating Charge Voltage
Axpert MAX II TWIN 8K54 VDC
Axpert MAX II TWIN 11K54 VDC
Axpert MAX II TWIN 12K54 VDC
Overcharge Protection
Axpert MAX II TWIN 8K66 VDC
Axpert MAX II TWIN 11K63 VDC
Axpert MAX II TWIN 12K63 VDC
SOLAR CHARGER & AC CHARGER
Solar Charger type
Axpert MAX II TWIN 8KMPPT
Axpert MAX II TWIN 11KMPPT
Axpert MAX II TWIN 12KMPPT
Maximum PV Array Open Circuit Voltage
Axpert MAX II TWIN 8K500 VDC
Axpert MAX II TWIN 11K500 VDC
Axpert MAX II TWIN 12K500 VDC
Maximum PV Array Power
Axpert MAX II TWIN 8K11000W (5500W x 2)
Axpert MAX II TWIN 11K13000W (6500W x 2)
Axpert MAX II TWIN 12K18000W (Max. 12000W per tracker)
MPPT Range @ Operating Voltage
Axpert MAX II TWIN 8K90~450 VDC
Axpert MAX II TWIN 11K90~450 VDC
Axpert MAX II TWIN 12K90~450 VDC
Maximum Solar Charge Current
Axpert MAX II TWIN 8K150A
Axpert MAX II TWIN 11K150A
Axpert MAX II TWIN 12K150A
Maximum AC Charge Current
Axpert MAX II TWIN 8K120A
Axpert MAX II TWIN 11K150A
Axpert MAX II TWIN 12K150A
Maximum Charging Current
Axpert MAX II TWIN 8K150A
Axpert MAX II TWIN 11K150A
Axpert MAX II TWIN 12K150A
Maximum PV Input Current
Axpert MAX II TWIN 8K27A x 2 (MAX 40A)
Axpert MAX II TWIN 11K27A x 2 (MAX 40A)
Axpert MAX II TWIN 12K40A/27A (MAX 60A)
PHYSICAL
Dimension, D X W X H (mm)
Axpert MAX II TWIN 8K158.4 x 503.6 x 530.8
Axpert MAX II TWIN 11K158.4 x 503.6 x 530.8
Axpert MAX II TWIN 12K158.4 x 503.6 x 530.8
Net Weight (kgs)
Axpert MAX II TWIN 8K20
Axpert MAX II TWIN 11K20
Axpert MAX II TWIN 12K20
Communication Port
Axpert MAX II TWIN 8KUSB/RS232/RS485/Wifi/Dry-contact
Axpert MAX II TWIN 11KUSB/RS232/RS485/Wifi/Dry-contact
Axpert MAX II TWIN 12KUSB/RS232/RS485/Wifi/Dry-contact
OPERATING ENVIRONMENT
Operating Humidity
Axpert MAX II TWIN 8K5% to 95% Relative Humidity(Non-condensing)
Axpert MAX II TWIN 11K5% to 95% Relative Humidity(Non-condensing)
Axpert MAX II TWIN 12K5% 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 8KIEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12
Axpert MAX II TWIN 11KIEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12
Axpert MAX II TWIN 12KIEC 62109, IEC 61683, EN/IEC 61000-6-2, 61000-6-4, 61000-3-11, 61000-3-12
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