Bluetti B500 Expansion Battery – 4,960 Wh LiFePO₄ Power Module
Add 4.96kWh of serious battery storage to a compatible EP760 setup.
- Major 4.96kWh capacity upgrade
- Built for longer backup planning
- Scales compatible EP760 systems
- Adds battery storage, not AC output
- Useful for serious home energy setups
Large-scale battery storage for longer home backup planning.
Out of stock
Is this expansion battery right for you?
Good fit if:
- Extend runtime on compatible BLUETTI systems such as EP760 systems
- Build a larger backup setup over time
- Add more battery capacity without buying a complete second power station
- Prepare for longer UK power cuts, camping trips or off-grid use
- Use extra battery storage while keeping your main system familiar
Not ideal if:
- You need a standalone power station with AC sockets
- You do not already own a compatible BLUETTI unit
- You need a plug-and-play single-unit solution
- You need higher inverter output, not just more battery capacity
- Your current BLUETTI model is not listed as compatible
How this expansion battery extends your setup
EP760 systems
Adds major runtime to a compatible BLUETTI home backup setup. 4.96kWh per battery
Longer power cuts
Stores extra energy for essential household backup planning. runtime boost
Solar storage
Helps store daytime energy when paired with a compatible system. system dependent
Expandable capacity
Stack multiple B500 batteries in compatible EP760 systems. 9.9kWh to 19.8kWh
Important note
B500 is not a standalone AC power station. compatible system required
Runtime depends on the main unit, battery configuration, appliance wattage and real-world conditions.
B500 at a Glance
A Closer Look at the B500
The B500 is a large expansion battery designed for compatible BLUETTI home backup systems, especially EP760 configurations. With 4.96kWh of battery storage per module, it is built for buyers planning longer power cut resilience and larger stored-energy setups.
It is not a standalone AC power station. It needs the correct compatible BLUETTI system to convert stored energy into usable appliance power, so compatibility should be checked carefully before ordering.
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
Is the B500 a standalone power station?
No. It is an expansion battery and must be used with a compatible BLUETTI system.
Which system is the B500 for?
The official BLUETTI EP760 material describes B500 batteries as part of EP760 modular home backup setups.
How much capacity does one B500 add?
One B500 adds 4.96kWh, or 4,960Wh, of battery storage.
Can I use it with AC300 or AC500?
Do not assume compatibility. The B500 should only be used with systems BLUETTI lists as compatible for the exact battery and cable setup.
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