Bluetti Hub A1 Parallel Box
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The Owner's Insights on the Bluetti Hub A1 Parallel Box
This is what turns two or three Apex 300 units into one system. Connect up to three and you get 11.5kW through a single box, with 20A and 32A outlets on the front.
It's plug and play. The P050A parallel cables go from the Hub to each Apex 300, and that's the wiring done. No switchboard, no electrician for the connection itself.
Choose your cable count above: the 2 x Parallel Connect version for two Apex units, or 3 x for three. At 3kg the box itself is nothing to move.
Why You'll Love the Bluetti Hub A1 Parallel Box
- Up to 11.5kW combined. Three Apex 300 units through one box.
- 20A and 32A AC outlets. Match the load you're actually running.
- Plug and play with P050A cables. No switchboard wiring to connect it.
- Bypass mode on grid. Mains passes straight through when it's there.
- All units charge at once. AC, solar or generator, everything tops up.
- Monitored on the Apex 300 display. You see charge and load in one place.
- 3kg, 453.6 x 250 x 106.6mm. Wall-mountable and out of the way.
- 40 dB maximum. You'll barely hear the fan.
Why You Should Consider a Bluetti Power System Accessory
Bluetti build portable power stations and home backup systems, and the Hub A1 is the parallel box for their Apex 300 range. See the rest of the portable power station range.
Bluetti Hub A1 Parallel Box Specifications
| Model | Bluetti Hub A1 Parallel Box |
| Compatible with | 1 to 3 Bluetti Apex 300 units |
| Maximum output | 11.5kW with three Apex 300 units |
| AC input / output voltage | 230V AC, 50Hz |
| AC input current | 50A max |
| AC parallel port | 230V AC, 50A max, 50Hz, P050A interface |
| Output current | 20A outlet (20A max) and 32A outlet (32A max) |
| Bypass mode | Yes, when grid power is available |
| Simultaneous charging | All connected Apex units, from AC, solar or a generator |
| Monitoring | Charge and load status on the Apex 300 display |
| Noise level | 40 dB max |
| Operating temperature | -20°C to 40°C |
| Storage temperature | -20°C to 60°C |
| Operating humidity | 10% to 90% |
| Operating altitude | Under 2,000m |
| Dimensions (L x W x H) | 453.6 x 250 x 106.6mm |
| Weight | Approx. 3kg |
What 11.5kW actually gives you
Three Apex 300 units through the Hub A1 gives you 11.5kW of combined output. That's whole-house territory: an air conditioner, an oven, a pump and everything else at once, or a workshop running serious three-phase-adjacent loads on single phase. One Apex 300 on its own is 3,840W, which covers a good chunk of a house but makes you think about what's on together. Three of them takes that decision away entirely.
Twenty amps or thirty-two: which outlet do you use?
The Hub A1 has both. Twenty amp is your standard heavy-duty outlet, and it's what most caravan leads, site boards and big appliances use. Thirty-two amp is for the genuinely large stuff and gets you the full benefit of a three-unit system. Use the one that matches your load, and make sure whatever you connect to, whether that's an AT1, a sub panel or your main panel, is rated for the current you're pushing through it.
Bypass mode is the bit that makes it a backup system
When grid power is there, the Hub A1 passes it straight through to your loads and charges the Apex units at the same time. When the grid drops, the Apex units take over. That means it isn't just a way to combine batteries: it's a backup setup that lives permanently in the loop. Every connected unit charges simultaneously too, whether that's from AC, solar or a generator, so you're not cycling through them one at a time.
The wiring is simple, but the install still needs care
Connecting Apex units to the Hub A1 is genuinely plug and play with the P050A cables. What isn't automatic is what happens on the other side. If you're feeding a sub panel or your main panel, that's licensed electrical work, and the loads have to sit inside the current limits of whatever you connect to. Get the electrician involved for the house side and the Bluetti side is the easy part. Ring the store on 03 7056 6732 if you want to talk through a setup.
Two cables or three?
The only difference between the two versions above is how many P050A parallel cables come with it. Take the 2 x Parallel Connect if you have or plan to have two Apex 300 units, and the 3 x if you're going to three. Buying the two-cable version and adding a third unit later means chasing a cable separately, so if three is the plan, buy for three now. Not sure? Ring the store on 03 7056 6732 and we'll work it out with you.
What's Included
- Bluetti Hub A1 Parallel Box
- P050A parallel cables, two or three depending on the version you choose
- 20A and 32A AC outlets
- User manual
What's Not Included
- Apex 300 power stations
- A licensed electrician for the house-side connection
- An AT1, sub panel or main panel
Choose your cable count above. Update the firmware through the BLUETTI app before you use it, as Bluetti recommend. If it's feeding a sub panel or your switchboard, that side is licensed electrical work.
Not Sure Which Power System Accessory Suits You?
The Hub A1 suits you if you have two or three Apex 300 units and want them working as one 11.5kW system rather than three separate boxes. It's the wrong pick if you only have one Apex 300, or if your Bluetti gear is from another range, where the Hub D1 or the DC Power Hub may be what you need. Call the store on 03 7056 6732, or send an SMS to 0476 330 590.