AC500 Head Unit
Inverter
Bluetti's modular residential head unit. 5000 W continuous, 240 V split-phase, no integrated battery — pair with one or more B300K modules for capacity.
Normalized price
$0.46 per watt AC
$2,299 listed price
Methodology: lowest in-stock merchant price · normalized to nameplate
Bluetti-ecosystem whole-home installs that start with one battery and grow
The data
Specifications
Output
| Type | Hybrid |
|---|---|
| Continuous AC output | 5 kW |
| Surge output | 10 kW |
PV input
| MPPT channels | 2 |
|---|
Battery integration
| Battery compatible | Yes |
|---|
Backup & UPS
| Transfer time | 20 ms |
|---|
Warranty
| Warranty | 5 years |
|---|
Compare specs side by side
Pick up to 2 competitors to see specs lined up.
Editorial
Best for, watch out for
Best for
- Bluetti-ecosystem whole-home installs that start with one battery and grow
Watch out for
- Battery is sold separately; the head unit alone is not a usable backup system
The market
Price history
Price history
History starts now
Once daily merchant prices accumulate, this chart will show the trend. Check back in a few days.
The shortlist
Three alternatives we'd consider
Sold in 2 bundles
Browse all bundles →Common questions
What people ask about the AC500 Head Unit
Does the Bluetti AC500 Head Unit support battery storage out of the box?
Yes. Bluetti AC500 Head Unit is hybrid — it has integrated battery management with an integrated battery port. Closed-loop BMS partner support varies — confirm the specific battery brand before ordering.
What happens during a grid outage?
Bluetti AC500 Head Unit switches to battery-backed loads in 20ms when the grid drops — fast enough to keep most home electronics running through the transition. The capacity of the battery (not the inverter) is what determines how long backup lasts.
Does the MPPT count actually matter?
Bluetti AC500 Head Unit has 2 MPPT channels, which means up to 2 independent strings can run at different operating points. This matters when the panels face different directions (east + west), get different shade patterns through the day, or use different module models. With one MPPT, the weakest string drags the rest. With 2, each can hit its own peak.
Does this need a generator inlet for backup?
Bluetti AC500 Head Unit doesn't have a dedicated generator input. To add backup-fuel generation you'd need an external automatic transfer switch upstream of the inverter — workable, but adds wiring and a service-disconnect rated component to the install scope.
Ask the AI about the AC500 Head Unit
Catalog-grounded answers. Suggest alternatives, sanity-check fit, dig into specs.
Open chat →
Ask the AI about the AC500 Head Unit
Catalog-grounded answers. Suggest alternatives, sanity-check fit, dig into specs.
Ask anything about solar gear — comparisons, recommendations, edge cases. I'll cite specs from our catalog and link to product details.