BLUETTI Hub A1 Parallel Box

The BLUETTI Hub A1 Parallel Box is a high-power AC system expansion accessory designed to connect multiple BLUETTI Apex 300 power stations in parallel. Supporting up to three Apex 300 units, it can increase total system output from 3,840W to as much as 11.52kW while enabling simultaneous charging, synchronised system operation and high-current 20A or 32A output options. It is designed for demanding home backup, off-grid living, workshops, job sites, RV power systems, emergency preparedness and other applications requiring more power than a single Apex 300 can provide.

Product Information

• Brand: BLUETTI
  
• Model: Hub A1
  
• Product Type: AC Parallel Box / Power System Expansion Hub
  
• Compatible Power Station: BLUETTI Apex 300
  
• Supported Apex 300 Units: Up to 3
  
• Maximum Combined Output: 11.52kW
  
• Two-Unit Combined Output: Up to 7,680W
  
• Three-Unit Combined Output: Up to 11,520W
  
• AC System Voltage: 230V
  
• AC Frequency: 50Hz
  
• Maximum AC Input Current: 50A
  
• Maximum AC Input Power: 11.5kW
  
• Parallel Connection Interface: P050A
  
• Output Options: 20A and 32A on the Australian model
  
• Charging Support: Simultaneous charging for connected Apex 300 units
  
• Connection Type: Plug-and-play parallel connection
  
• Operating Modes: Off-grid output, grid bypass and compatible backup integration
  
• Warranty: 1 Year
  
• Compatibility Note: The Hub A1 is specifically designed for BLUETTI Apex 300 parallel systems and is not a universal parallel box for other BLUETTI power stations.

Key Features & Benefits

• Connects Up to Three Apex 300 Units: Allows two or three compatible BLUETTI Apex 300 power stations to operate together as one expanded power system.
  
  
• Up to 11.52kW Combined Output: Three Apex 300 units connected through the Hub A1 can provide up to 11,520W of combined output for demanding appliances, equipment and backup circuits.
  
  
• 7,680W Dual-Unit Configuration: Connecting two Apex 300 units provides up to 7,680W of combined output, offering a practical upgrade for users who require more power than a single unit can supply.
  
  
• Plug-and-Play Parallel Connection: Uses dedicated P050A parallel cables to simplify system expansion without requiring users to replace their existing Apex 300 units.
  
  
• Automatic System Synchronisation: Powering on one connected Apex 300 automatically activates the other connected units, while compatible settings synchronise across the parallel system.
  
  
• Simultaneous System Charging: All connected Apex 300 units can recharge simultaneously, helping restore the complete battery system without charging each unit separately.
  
  
• 20A and 32A Output Options: Provides high-current output options suitable for heavier appliances, backup circuits, workshop equipment and compatible EV charging applications.
  
  
• Bidirectional Power Through P050A: The parallel connection supports compatible charging and discharging through the Hub A1, allowing the Apex 300 units to operate together as an integrated system.
  
  
• High-Power Off-Grid Operation: Enables connected Apex 300 units to provide combined AC power where grid electricity is unavailable.
  
  
• Compatible Backup UPS Operation: When integrated with suitable electrical equipment, the Hub A1 can support grid bypass, scheduled charging and discharging and backup power for selected circuits.
  
  
• Expandable Battery Capacity: Each Apex 300 can support compatible B300K expansion batteries, allowing a three-unit system to scale to approximately 58kWh of total storage in a supported maximum configuration.
  
  
• Compatible with SolarX 4K Systems: The Hub A1 can form part of a larger Apex 300 ecosystem that includes compatible SolarX 4K solar charge controllers for higher-capacity renewable charging.
  
  
• Real-Time System Monitoring: Charging, discharging, voltage, output power and system errors can be monitored through connected Apex 300 units and the BLUETTI app.
  
  
• Integrated Safety Protection: Supports protection and status indication for overload, short circuit, voltage mismatch, abnormal grid conditions, parallel-connection failure and excessive operating temperature.

Mechanical Specifications

• Product Type: Fixed AC Parallel Connection Box
  
• Dimensions: Approximately 453.6 × 250 × 134.6mm
  
• Dimensions in Inches: Approximately 17.83 × 9.84 × 5.30in
  
• Net Weight: Approximately 3kg / 6.61lb
  
• Installation Type: Fixed vertical wall installation
  
• Connection Interface: P050A parallel ports
  
• Operating Temperature: -20°C to 40°C / -4°F to 104°F
  
• Operating Humidity: 10%–90%
  
• Storage Temperature: -20°C to 60°C / -4°F to 140°F
  
• Storage Humidity: 0%–90%
  
• Maximum Noise Level: 40dB
  
• Maximum Operating Altitude: Below 2,000m / 6,562ft
  
• Recommended Clearance: Approximately 200mm around the unit
  
• Recommended Installation Location: Dry, cool, stable and well-ventilated indoor or protected area

The Hub A1 should be installed vertically on a stable surface with sufficient space for ventilation, cable routing and access to its controls and indicators.

Electrical Performance

AC Input and Output Specifications

• AC Input Voltage: 230V AC
  
• Maximum AC Input Current: 50A
  
• Input Frequency: 50Hz
  
• Maximum Input Power: 11.5kW
  
• AC Output Voltage: 230V AC
  
• Output Frequency: 50Hz
  
• Australian Output Options: 20A and 32A
  
• Maximum Combined Parallel Output: 11.52kW
  
• Grid Bypass Operation: Supported with a correctly configured compatible system
  
• Off-Grid AC Operation: Supported
  
• Direct Battery Storage: Not Included
  
• Integrated Inverter: Not Included

The Hub A1 combines the AC output of connected Apex 300 power stations. It does not contain its own battery or inverter and cannot supply power without at least one connected Apex 300.

Parallel Connection Specifications

• Parallel Interface: P050A
  
• Supported Power Stations: 1–3 BLUETTI Apex 300 units
  
• Two Apex 300 Units: Up to 7,680W combined output
  
• Three Apex 300 Units: Up to 11,520W combined output
  
• Parallel Cable Function: Bidirectional AC power transfer and system communication
  
• Automatic Start: Powering on one connected Apex 300 activates the remaining connected units
  
• Settings Synchronisation: Compatible system settings synchronise across connected Apex 300 units
  
• Simultaneous Charging: Supported for all connected units
  
• Connection Requirement: Each Apex 300 requires a dedicated compatible parallel cable.

Charging Performance

• AC Charging Through Hub A1: Up to 3,840W per supported Apex 300 configuration, subject to the system arrangement and available input
  
• Simultaneous Charging: Supported across connected units
  
• AC and Solar Charging: Available through the individual charging capabilities of each connected Apex 300
  
• SolarX 4K Integration: Supported within correctly designed Apex 300 energy systems
  
• Generator Charging: Supported through compatible Apex 300 input configurations
  
• Charging Management: Controlled by the connected Apex 300 units

Actual charging performance depends on:

• Available grid or generator input
• Number of connected Apex 300 units
• Number of connected expansion batteries
• Solar input availability
• Battery state of charge
• Ambient and battery temperature
• Cable and electrical installation limits
• Configured system charging settings

Operating Modes

• Off-Grid Parallel Mode: Connected Apex 300 units combine their inverter output to operate higher-power appliances and equipment without grid electricity.
  
  
• Grid Bypass Mode: When a supported AC supply is connected, grid electricity can pass through the Hub A1 to connected loads while the Apex 300 system remains available for backup.
  
  
• Backup UPS Mode: When integrated with compatible electrical equipment, the system can provide backup power to selected circuits during a grid outage.
  
  
• Scheduled Charging and Discharging: Compatible configurations can use Apex 300 energy-management settings to schedule when the system charges or supplies stored energy.
  
  
• Compatible Whole-Home Integration: The Hub A1 may be integrated with compatible BLUETTI distribution equipment for peak shaving and broader home backup applications. Professional electrical assessment and installation are required.

Warranty Information

• Warranty: 1-Year Hassle-Free Warranty
  
• Customer Support: Lifetime Customer Support
  
• Installation Requirement: Install according to the BLUETTI user manual and applicable Australian electrical requirements.
  
• Professional Installation: A licensed electrician should complete any connection involving fixed wiring, switchboards, sub-panels, high-current outlets or home backup circuits.
  
• Compatibility Requirement: Use only compatible BLUETTI Apex 300 units and approved P050A parallel cables.
  
• Connection Safety: All Apex 300 units and connected loads must be switched off before connecting or disconnecting parallel cables.
  
• Environmental Requirement: Keep the Hub A1 in a dry and ventilated location away from rain, standing water, excessive heat and corrosive environments.
  
• Firmware Recommendation: Keep connected Apex 300 units updated to the latest available firmware before parallel operation.

Compatibility

• Primary Compatible Product: BLUETTI Apex 300
  
• Supported Quantity: Up to 3 Apex 300 units
  
• Parallel Connection Cable: BLUETTI P050A Parallel Cable
  
• Expansion Battery Support: Compatible expansion batteries connected through each Apex 300
  
• Compatible Battery Model: BLUETTI B300K and other expansion batteries supported by the Apex 300
  
• Solar Integration: Compatible Apex 300 solar inputs and supported SolarX 4K configurations
  
• App Monitoring: Available through the connected Apex 300 and BLUETTI app
  
• Grid Integration: Supported through correctly designed compatible electrical equipment
  
• Sub-Panel Integration: Supported with the appropriate connection equipment and professional installation
  
• EV Charging Support: Suitable for compatible EV charging configurations within system and outlet limits
  
• Not Compatible With: BLUETTI power stations that do not provide the required Apex 300 P050A parallel interface

For stable parallel operation, connected Apex 300 units should use compatible firmware and approved BLUETTI connection cables.

Smart Energy Features

• Connects up to three BLUETTI Apex 300 power stations
• Provides up to 11.52kW of combined AC output
• Provides up to 7,680W with two Apex 300 units
• Supports plug-and-play parallel system expansion
• Supports simultaneous charging across connected units
• Supports bidirectional power through P050A cables
• Automatically activates connected Apex 300 units
• Synchronises compatible settings across the system
• Provides Australian 20A and 32A output options
• Supports high-power off-grid operation
• Supports compatible grid bypass operation
• Supports backup UPS configurations
• Supports scheduled charging and discharging
• Supports compatible sub-panel integration
• Supports selected EV charging applications
• Supports real-time monitoring through the BLUETTI app
• Displays system power and error information through connected Apex 300 units
• Supports scalable battery storage through compatible expansion batteries
• Supports larger renewable energy systems using compatible SolarX 4K controllers
• Includes parallel-connection, overload, short-circuit and temperature monitoring

Applications

• Home backup power systems
• High-power off-grid energy systems
• Whole-home backup configurations
• Essential circuit backup
• Workshops and garages
• Construction and job-site equipment
• High-demand household appliances
• Caravan and RV power systems
• Remote homes and cabins
• Emergency preparedness
• Power outage backup
• Small-business backup systems
• Commercial mobile equipment
• Outdoor events
• Electric vehicle charging with compatible equipment
• Solar energy storage systems
• Peak-shaving applications
• Scheduled energy-use systems
• Extended off-grid living

Included Accessories

The Hub A1 is available in different package configurations:

Hub A1 with Two Parallel Connection Cables

• BLUETTI Hub A1 Parallel Box × 1
• P050A Parallel Connection Cable × 2
• User Manual × 1
• Warranty Card × 1

Hub A1 with Three Parallel Connection Cables

• BLUETTI Hub A1 Parallel Box × 1
• P050A Parallel Connection Cable × 3
• User Manual × 1
• Warranty Card × 1

The supplied package depends on the selected product variant. AC input cables, switchboard connection equipment, EV charging cables and other integration accessories may be sold separately.

System Benefits When Paired with BLUETTI Apex 300 Power Stations

• Combines multiple Apex 300 units into one higher-output system
• Increases output from 3,840W to as much as 11,520W
• Provides 7,680W when paired with two Apex 300 units
• Supports heavier appliances and equipment than a single Apex 300
• Allows all connected Apex 300 units to charge simultaneously
• Provides automatic startup and synchronised system operation
• Supports high-current 20A and 32A applications
• Enables compatible off-grid and backup UPS operation
• Supports scalable battery capacity through B300K expansion batteries
• Allows three-unit systems to reach approximately 58kWh in supported maximum configurations
• Supports compatible solar charging through individual Apex 300 inputs
• Supports higher-capacity solar integration with SolarX 4K controllers
• Improves power availability during extended outages
• Reduces reliance on fuel generators and grid electricity
• Supports home, workshop, RV, remote property and small-business applications
• Allows users to expand their system progressively as power and storage requirements grow
• Supports dependable high-power operation when installed with compatible Apex 300 units, approved P050A cables and correctly rated electrical equipment.

Contact PVtoEV for compatibility guidance and complete BLUETTI Apex 300, Hub A1, B300K, SolarX 4K and home backup system recommendations.