BLUETTI Hub A1 Parallel Box for Apex 300 | with 2 Parallel Cables
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DETAILS
Overview
Run up to three Apex 300s as one
Hub A1 links two or three BLUETTI Apex 300 power stations so they work as one system: up to 11.5kW of 230V output for big loads and long blackouts. This kit includes the Hub A1 and two parallel connection cables, enough for two Apex 300s.
It’s plug-and-play. Connect each Apex 300 with a P050A parallel cable and they switch into parallel mode on their own. Turn one on and the others follow, and settings sync across all units. All connected units charge at the same time.
Hub A1 mounts on a wall indoors and gives you a 20A and a 32A AC outlet. It can also feed a sub panel for whole-home backup, installed by a licensed electrician.

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Parallel power
Double or triple your output
One Apex 300 gives 3,840W. Through Hub A1, three of them give up to 11,520W, and with 18 B300K batteries up to 58,060.8Wh of storage.
- ✓Connects 1 to 3 Apex 300 units
- ✓Plug-and-play: units enter parallel mode automatically
- ✓Charge all connected units at once
- ✓UPS mode for the whole system, set in the BLUETTI app

Installation
Wall-mounted, indoors
- ✓Mount vertically on a stable indoor wall with the four screws supplied
- ✓Leave at least 20 cm of clear space on all sides
- ✓Pick a dry, cool, well-ventilated spot near the Apex 300s or your sub panel
- ✓Hub A1 has no built-in RCD/GFCI: fit one to suit local rules
Any connection to a sub panel or switchboard must be done by a licensed electrician. contact our team if you’re planning a home or RV setup.
Frequently asked questions
What does Hub A1 work with?
The BLUETTI Apex 300. It connects one to three Apex 300 units using P050A parallel cables (angled end into Hub A1, straight end into the Apex 300).
How much power can I get?
Up to 11.5kW (11,520W) of 230V AC with three Apex 300s. The outlets are rated 20A and 32A.
Does it work as a UPS?
Yes. Once the Apex 300s are connected through Hub A1, turn on UPS mode in the BLUETTI app for the whole system.
Is this kit enough for three Apex 300s?
This version includes two parallel cables, enough for two Apex 300s. A third unit needs a third P050A cable.
What protection does it have?
Output over-current and short-circuit protection, input over-voltage and under-voltage protection, and auto-reset circuit breakers on the outputs.
Still got a question? Our Sydney team is happy to help. Get in touch and you’ll talk to a real person in Australia.
Features
- ✓Connects up to 3 BLUETTI Apex 300 units in parallel
- ✓Up to 11.5kW AC output with 3 units
- ✓Plug-and-play parallel connection
- ✓Charges all connected units at once
- ✓20A and 32A AC outlets, 230V 50Hz
- ✓AC input/output connection for a sub panel (electrician installed)
- ✓UPS mode across the whole system
- ✓Over-current, short-circuit and over/under-voltage protection
- ✓Auto-reset output circuit breakers
- ✓Wall mounted, 453.6 x 250 x 106.6 mm, approx. 3 kg
Make it a complete setup
Pairs well with

Hub A1 is made for the Apex 300: link two or three for up to 11.5kW.

Add B300K batteries to each Apex 300 for up to 58kWh across a three-unit system.
Product Details
| SKU | BE-HUBA1 |
| Brand | Bluetti |
| Max Output | 11.5kW (3 units) |
| Compatible With | BLUETTI Apex 300 |
| Parallel Cables Included | 2 |
| Shipping Weight | 3.0400kg |
| Shipping Width | 0.250m |
| Shipping Height | 0.107m |
| Shipping Length | 0.454m |
BLUETTI is one of the pioneers of portable power, with more than a decade of energy storage development and some of the most-funded power stations ever launched. BLUETTI began in Shenzhen with a mission to provide clean and independent energy for everyone, and has been developing energy storage for ...
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