EcoFlow DELTA Pro vs BLUETTI AC300: Better Home Backup?

The EcoFlow DELTA Pro is a better home backup because it has larger capacity and higher output power, while the Bluetti AC300 + B300 recharges faster using solar power and gives you more outlets and ports to plug devices into. Read the full Bluetti vs. Ecoflow guide.

The Delta Pro has higher capacity

EcoFlow Delta Pro has higher capacity — this gives you a lot more energy for your household.
The capacity of a portable power station indicates how much energy it can store and supply. It’s similar to the size of a fuel tank in a car— the larger the capacity, the longer the device can run.
For example, if a power station has a capacity of 1000Wh, it can supply 1000 watts for 1 hour, 500 watts for 2 hours, or 100 watts for 10 hours, and so on.

Feature	Bluetti AC300 + B300	EcoFlow Delta Pro
Capacity	3,072Wh (expands to 12.2kWh)	3,600Wh (expands to 25,000Wh)

The Delta Pro has higher output power

EcoFlow Delta Pro has higher output — which makes it better for running large household appliances.
Output power indicates the maximum amount of power the station can deliver to your devices at any given moment. It tells you what kind of devices you can run with the power station.
If a power station has an output power of 500 W, you can run devices like a TV (about 100 W), a laptop (about 60 W), and charge your phone simultaneously, but you can’t run a microwave (which typically uses 800-1000 W).

Feature	Bluetti AC300 + B300	EcoFlow Delta Pro
Power Output	3,000W (6,000W surge)	3,600W (7,200W surge)

The Delta Pro has more charging options

The EcoFlow Delta Pro has more charging options and can even be recharged at EV stations, in addition to the standard ways like plugging into an AC wall outlet, DC carport or solar panel.
Bluetti does have higher solar input and faster solar charging – this makes it better for using outdoors or when you’re camping.

Feature	Bluetti AC300 + B300	EcoFlow Delta Pro
AC Charge Time	– 2-3 hours for a full charge of one B300 battery (total 3072Wh) using 120V wall outlet / max 1800W – 3-4 hours for a full charge of AC300 + B300 (total 9216Wh) using 120V wall outlet / max 3000W	– 1.8 hours for a full charge using 240V outlet / max 3000W – Under 3 hours for a full charge using 120V wall outlet / max 1800W
Solar Charge Time	– 0.2 hours w/6 x 400W solar panels – 15 hours w/1 x 400W solar panel	– 0.45 hours w/6 x 400W solar panels – 18 hours w/1 x 400W solar panel
Hybrid Charge Time	2 hours (AC + Solar)	2 hours (AC + solar + EV)
Solar Input	2,400W	1,600W

Bluetti AC300 + B300 vs EcoFlow DELTA Pro Feature Comparisons

Features	Bluetti AC300 + B300	EcoFlow Delta Pro
Battery Type	LiFePO4	LiFePO4
Charge Cycles	3,500 cycles	3,500 cycles
Outlets & Ports	16 Outlets & Ports (1 x 30A and 6 x 20A AC outlets, 4 USB-A and 1 USB-C ports, 12V/30A DC)	15 Outlets & Ports (1 x 30A and 4 x 20A AC outlets, 4 USB-A and 2 USB-C ports, carport, 12V/30A DC)
Weight	60.6 lbs (27.5 kg)	99 lbs (45 kg)
Dimensions	20.5 x 12.5 x 14.1 inches	25 x 11.2 x 16.4 inches
Bluetooth	Yes	Yes
WiFi	Yes	Yes
Warranty	4 years	5 years

Learn more about Bluetti vs. Ecoflow and how their product line compares.

How do I connect my EcoFlow Delta Pro to my home?

Determine Your Power Needs

Calculate Essential Loads: Decide on the appliances you need during a power outage (e.g., fridge, lights, internet, medical devices). Add up their wattages.
Decide Backup Duration: Figure out how long you’ll need to run these appliances. This will help you understand how many DELTA Pros or extra batteries you need.

Option A: Connect using EcoFlow Smart Home Panel

Installation: The Smart Home Panel is designed to connect the DELTA Pro directly to your home’s electrical circuits. This panel can manage up to 10 circuits, automatically switching to battery power during an outage. This is the most efficient and expensive approach, because you’ll need to buy the smart panel and hire an expert.
Seamless Transition: Automatically switches to battery power during an outage.
Professional Installation: You’ll need a licensed electrician to install the Smart Home Panel.

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Option B: Connect using a Transfer Switch

A manual transfer switch allows you to switch selected circuits in your home from the main power grid to the DELTA Pro during a power outage. This setup ensures that you can safely and conveniently power essential appliances without backfeeding electricity into the grid.

Required Components:

Manual Transfer Switch: Usually rated for up to 30A or more, depending on your home’s needs.
Power Inlet Box: A weatherproof inlet box installed outside the home for connecting the DELTA Pro.
Interconnecting Cable: Cable to connect the DELTA Pro to the power inlet box.
Extension Cord: A heavy-duty extension cord rated for the DELTA Pro’s output.

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High Quality: The 10-way transfer switch kit is constructed from heavy-duty galvanized steel for durability, NEMA 3R housing, IP67 waterproof rating….
Function: Designed to provide safe, reliable and economical temporary power supply during power outages. Suitable for most generators.

Choose Circuits to be Powered

Decide which circuits you want to power with the DELTA Pro. Typically, these would include essential circuits like the refrigerator, lights, and outlets in certain rooms.

Install the Manual Transfer Switch

Select the Location: Install the manual transfer switch near your main electrical panel.
Turn Off Main Power: Shut off the main breaker in your electrical panel to ensure safety during installation.
Connect to Circuit Breakers: Connect the transfer switch to the circuit breakers of the selected circuits in the main panel. This step may require rerouting some wiring from the main panel to the transfer switch.
Connect to Power Inlet Box: Run a dedicated cable from the transfer switch to the power inlet box outside your home.

Install the Power Inlet Box

Position the Inlet Box: Choose a location outside your home, close to where you plan to place the DELTA Pro.
Drill and Secure: Drill a hole through the wall to run the cable from the transfer switch to the power inlet box. Secure the box to the wall and seal the opening to prevent water intrusion.

Connect the DELTA Pro to the Power Inlet Box

Cable Connection: Use an interconnecting cable with appropriate connectors (e.g., NEMA L14-30 for 30A) to connect the DELTA Pro’s AC output to the power inlet box.
Check Connections: Ensure all connections are secure and weatherproofed.

Test the Setup

Turn Off Main Breaker: Turn off the main breaker to simulate a power outage.
Start the DELTA Pro: Power on the DELTA Pro and connect it to the inlet box using the interconnecting cable.
Switch to Backup Power: Flip the manual transfer switch to the “Generator” or “Backup” position to switch selected circuits to the DELTA Pro’s power.
Check Circuits: Ensure the selected circuits are powered by the DELTA Pro.

Operate the EcoFlow Delta Pro Home Backup System

During an Outage: When the grid power goes out, turn off the main breaker. Connect the DELTA Pro to the inlet box and switch the transfer switch to backup power.
Switch Back to Grid Power: Once grid power is restored, turn off the DELTA Pro, disconnect it, and switch the transfer switch back to the main position before turning on the main breaker.

Safety Considerations

Professional Installation: It’s highly recommended to have a licensed electrician install the manual transfer switch and inlet box to ensure safety and compliance with local electrical codes.
Avoid Backfeeding: The manual transfer switch prevents backfeeding, which can be dangerous to utility workers and your equipment. Never connect the DELTA Pro directly to your home’s wiring without a transfer switch.
Proper Ratings: Ensure all components (transfer switch, inlet box, cables) are rated appropriately for the DELTA Pro’s output and the loads you intend to power.

Benefits of Using a Manual Transfer Switch

Safety: Prevents backfeeding and makes switching between grid and backup power safe and easy.
Convenience: Quickly switch selected circuits to backup power during an outage without running multiple extension cords.
Reliability: Powers hardwired appliances that cannot be connected directly to the DELTA Pro.

Option 3: Manually Connect to Appliances

Plug-and-Play Approach: This is the cheapest and easiest, and arguably least efficient, way to integrate the Delta Pro. You just plug appliances and devices directly into the power station’s outlets and ports. This method requires you top move the Delta Pro around your house to wherever it’s needed.
Extension Cords or Power Strips: Use extension cords or power strips to connect multiple devices directly to the DELTA Pro.

Can I Use a Traditional Generator with EcoFlow DELTA Pro?

Check Compatibility

Make sure the generator has the right output to charge the DELTA Pro.The DELTA Pro can handle up to 1800W.

Connect the Generator

AC Charging: EcoFlow also offers a Smart Generator that can be integrated with the DELTA Pro to automatically start and charge the unit when the battery level gets low.
Smart Generator Integration: Use the EcoFlow Smart Generator for automatic start and stop when the DELTA Pro’s battery is low.

Set Charging Parameters

Using the EcoFlow app, set the charging parameters to ensure that the DELTA Pro charges efficiently and that the generator starts and stops as needed.

How Do I Integrate Solar Panels with the DELTA Pro?

Step 1: Choose and Position the Panels

Select Compatible Panels: Use solar panels compatible with the DELTA Pro, such as EcoFlow’s own or third-party panels with a combined voltage of up to 150V and power up to 1600W.
Optimal Positioning: Place the panels where they receive maximum sunlight, ideally at a 30-degree angle facing south (in the Northern Hemisphere).

Step 2: Connect the Solar Panels

MC4 Connectors: Use the MC4 to XT60 cable to connect the solar panels to the DELTA Pro’s solar input port.
Series or Parallel: Depending on your setup, you may need to connect panels in series or parallel to match the DELTA Pro’s input specifications.

Step 3: Monitor and Adjust

App Monitoring: Use the EcoFlow app to monitor solar input and battery levels. Adjust panel angles as needed for optimal performance.

What Are the Benefits of Combining DELTA Pro, Solar Panels, and a Generator?

Extended Power Supply: Multiple energy sources ensure continuous power.
Fuel Efficiency: The generator only runs when the battery is low, saving fuel.
Energy Independence: Reduce reliance on the grid, especially during outages.
Automatic Management: Smart Generator starts and stops automatically as needed.
Reduced Carbon Footprint: Solar charging lowers fossil fuel use.

FAQs

What are the key differences between Bluetti AC300 + B300 and EcoFlow Delta Pro?

The EcoFlow Delta Pro has a higher base capacity of 3,600Wh and can expand up to 25,000Wh, which makes it good as a home backup system. The Bluetti AC300 + B300, while smaller in capacity, is lighter, more portable, and gives you more outlets—ideal for camping and RV users.

Which battery type is used in both models, and how do they compare?

Both the Bluetti AC300 + B300 and EcoFlow Delta Pro use LiFePO4 batteries, which are known for their long lifespan. Both models also offer 3,500 charge cycles, making them equally durable.

Which model has a better power output?

The EcoFlow Delta Pro has higher continuous output of 3600W (7200W surge), while the Bluetti has less output at 3,000W (6000W surge). This makes EcoFlow a better for running energy intensive appliances.

Which model is more portable?

The Bluetti AC300 + B300 is more portable at about 60 lbs, compared to the EcoFlow’s weight of 99 lbs.

Which model offers more charging ports?

The Bluetti model comes with 16 outlets and ports, while the EcoFlow gives you 15 outputs.

Conclusion

In this Bluetti vs EcoFlow review of the Bluetti AC300 + B300 versus the EcoFlow DELTA Pro:

EcoFlow Delta Pro is the better as a home backup or for anybody needing long-term power due because of it larger capacity, higher output and faster AC charging.
Bluetti AC300 + B300 is better for camping because its lighter in weight and has higher solar input and solar charging speeds.

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