Bluetti AC300 Inverter Module (3,000 W Expandable System)
Modular 3,000W backup power for serious home and off-grid systems.
- Modular backup system core
- 3,000W inverter output with compatible batteries
- Requires B300 batteries to operate
- Expandable capacity for longer power cuts
- Built for serious home backup planning
Build a powerful expandable backup system with compatible batteries.
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Is the AC300 right for you?
Good fit if you want to:
- Build a modular BLUETTI backup system around compatible B300 or B300K batteries
- Power more essential devices than a small portable station can support
- Scale battery capacity over time for longer power cut protection
- Use solar input as part of a serious home or off-grid setup
- Create a cleaner alternative to fuel-based backup for key loads
Consider another setup if:
- You need a complete plug-and-play power station with built-in battery
- You do not plan to buy compatible expansion batteries
- You need a permanently installed whole-home system
- You want the highest-output AC500 class system
- You need a lightweight portable unit for simple travel use
AC300 at a Glance
A Closer Look at the AC300
The AC300 is the inverter core for a modular BLUETTI backup system. It does not contain a battery and must be paired with compatible B300 or B300K expansion batteries before it can operate. That makes it different from an all-in-one portable power station, but much stronger for buyers who want to scale runtime over time.
It is best suited to UK homes, cabins and off-grid setups that need serious AC output, solar input and the flexibility to add more battery capacity as requirements grow.
Why Buy From VoltReady™
UK-Based Business
VoltReady is a UK-based portable-power specialist serving customers across the United Kingdom.
Manufacturer Warranty
Products include manufacturer-backed warranty cover, with the exact terms shown clearly on each product page.
Flexible Ways to Pay
Pay securely by card, Apple Pay, Google Pay, Klarna or Clearpay. Available options depend on your order and eligibility.
UK Customer Support
Get straightforward help before and after your purchase through live chat or email.
Everything important, clearly organised
Key Features
Technical Specifications
What’s in the Box
FAQs
Can I use the AC300 on its own?
No. The AC300 is an inverter module and does not store energy by itself. It requires a compatible B300 or B300K expansion battery to operate.
Which battery should I use with AC300?
BLUETTI commonly pairs AC300 with B300 batteries, with B300K compatibility also listed on current BLUETTI UK pages. Check the exact battery and cable requirements before ordering.
Is AC300 a good home backup choice?
Yes, if you want a modular system with stronger output and expandable runtime rather than a simple all-in-one portable unit.
Can the AC300 use solar panels?
Yes. The AC300 supports up to 2,400W solar input when correctly configured with compatible batteries and panels.
Does AC300 include whole-home installation?
No. Any fixed wiring or circuit integration should be handled separately by a qualified professional where required.





