EcoFlow Delta Pro Ultra vs Bluetti AC500: Which is Better?

Aug 12, 2025

EcoFlow Delta Pro Ultra or Bluetti AC500? Short answer: EcoFlow wins for faster charging and higher continuous output, while Bluetti packs more expandability. If Portable Power Stations make you feel like prepping for both camping trips and zombie apocalypses, stick around—we’ll unpack which powerhouse truly fits your lifestyle.

Core Performance and Capacity of EcoFlow Delta Pro Ultra vs Bluetti AC500

Base and Expandable Battery Capacity (kWh)

The EcoFlow Delta Pro Ultra starts at 6kWh and can be expanded up to 16kWh with extra modules.

The Bluetti AC500 begins at 4.96kWh and can be expanded to a massive 24.576kWh using multiple B300S modules. This makes it ideal for users who require the highest possible storage.

EcoFlow portable power station with dual battery modules on a white background.

Continuous and Peak Power Output (Watts)

The Delta Pro Ultra delivers 7200W continuous AC output with a 9000W surge.

The AC500 offers 5000W continuous and a higher 10,000W surge. While Bluetti handles bigger startup loads, EcoFlow’s higher continuous power is better for running heavy loads over longer periods.

Solar and AC Charging Speeds

EcoFlow supports up to 4000W solar input and 3000W AC charging, with a maximum of 5000W combined input.

Bluetti accepts up to 3000W solar (expandable with B300S) and up to 4800W AC charging, or 5400W maximum when using dual AC input.

Design and Portability

Dimensions and Weight

EcoFlow’s design is more compact, which makes it easier to transport.

The Bluetti AC500 is larger but remains manageable for most users. Exact weight and size vary based on configuration.

EcoFlow portable power station with single battery module on a white background.

Portability Features (e.g., wheels, handles)

Both have handles to aid movement. EcoFlow’s smaller footprint makes manoeuvring simpler, while Bluetti prioritises a sturdy, solid form over compactness.

Build Quality and IP Rating

Both use durable construction and high-quality materials to withstand outdoor and long-term use.

No official IP rating was stated in the source information.

Home Integration and Usability

Smart Home Panel and UPS Functionality

EcoFlow integrates smoothly with home backup setups, including smart home panels. It also supports fast transfer times during power loss.

Bluetti also offers UPS functionality, ensuring it can protect sensitive electronics in the event of an outage.

App-Based Control and Monitoring

EcoFlow’s app is user-friendly, with clear, real-time data and straightforward controls.

Bluetti’s app offers similar capabilities, though some users find it slightly more complex to navigate.

Transfer Time (ms)

Exact transfer times are not specified for either model. Both are designed to switch quickly enough to protect most household electronics.

In-Depth Look at Unique Features and Ecosystems

Charging Flexibility and Solar Compatibility

High vs. Low Voltage Solar Input

EcoFlow supports up to 4000W of solar input, making it efficient for larger solar setups.

Bluetti supports up to 3000W as standard, with the option to expand if using B300S modules.

Other Charging Options (e.g., EV, Smart Generator)

Both support AC, solar, car charging, and generator input.

EcoFlow allows up to 1600W from car or generator charging, while Bluetti supports up to 1200W from these sources.

The ability to "hot swap" batteries (Bluetti's feature)

Bluetti allows hot swapping of battery modules, enabling uninterrupted power when replacing or upgrading batteries.

EcoFlow does not list this as a feature.

Bluetti AC500 portable power station with multiple AC and DC outlets on a white background.

Price, Warranty, and Customer Support

Initial Investment and Cost of Expansion

EcoFlow starts at around £X for the base unit, with expansion batteries at £Y each.

Bluetti starts at £Z, with B300S modules at £W each. The total cost for either system depends heavily on the chosen expansion size.

Warranty Period and Terms

EcoFlow offers a 10-year warranty.

Bluetti offers a 5-year warranty.

Customer Service Reputation

Both have a reputation for reliable products and dedicated support.

EcoFlow’s ecosystem and app receive slightly better user feedback overall.

Final Verdict: Which One is Right for You?

Choose the EcoFlow Delta Pro Ultra If...

You need a highly modular and scalable system for a wide range of use cases.

Its modular design and 16kWh maximum capacity make it ideal for varied applications.

Fast charging and high solar input are top priorities.

EcoFlow’s 4000W solar input and strong AC charging speed suit users who need rapid recharging.

You want an integrated system with a better-regarded app and smart home panel.

EcoFlow’s ecosystem excels in smart home integration and user experience.

Choose the Bluetti AC500 If...

You need a high continuous power output for heavy-duty appliances.

Its 5000W continuous output and 10,000W surge make it ideal for equipment with high startup demands.

A single, robust, and standalone unit is a priority.

The AC500’s build and design focus on being a strong, all-in-one backup system.

The ability to "hot swap" batteries is a critical feature for your application.

Bluetti’s hot-swap capability keeps you powered even during battery changes.

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