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EcoFlow Delta Pro vs Max: Comparison & Review

Have you ever faced the frustration of a blackout while working from home or wished you had a reliable power source during an outdoor adventure? Among the emergency home backups available, EcoFlow stands out as it offers a diverse range of products designed to meet various power needs.

Each caters to different user requirements, from EcoFlow Delta Pro EcoFlow River to Delta Max. But between EcoFlow Pro vs. Max, what is the best power supply for you?

EcoFlow Pro vs Max Overview

EcoFlow Delta Pro

EcoFlow Delta Pro

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EcoFlow Delta Max

EcoFlow Delta Max

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Base Capacity 3.6kWh 2kWh
Expandable Capacity Up to 25kWh Up to 6kWh
Continuous Power Output 3600W 2400W
X-Boost Technology Up to 4500W Up to 3400W
Target Audience Home backup, off-grid living, large-scale outdoor activities RV use, smaller home backup, medium-scale outdoor activities
Price $2,499 $1,599
Solar Charging Yes Yes
Wall Charger Yes Yes
Smart Generator Integration Yes Yes
Portability Larger and heavier Smaller and more portable
Control and Monitoring EcoFlow app for remote control and monitoring EcoFlow app for remote control and monitoring

Power and Capacity Comparison

When it comes to portable power stations, the capacity and output power are essential factors to consider. 

Battery Capacity

Battery capacity is a key feature of any portable power station, determining how long it can run your devices.

EcoFlow Delta Pro

Capacity:3.6kWh

Expandable up to 25kWh

Ideal for extended use and is capable of supporting a wide array of appliances and outdoor equipment for longer periods.

Battery Capacity

EcoFlow Delta Max

Capacity: 2kWh

Expandable up to 6kWh

Ideal for shorter trips or as a supplemental power source for essential devices during outages.

Comparative Analysis: Delta Pro clearly offers a higher original capacity for users with extended power needs or those looking to power more demanding appliances. Delta Max, while smaller, is still a strong option for less intensive power requirements.

Output Power

Output power indicates how many devices you can run simultaneously and how powerful those devices can be.

EcoFlow Delta Pro

Output:3600W

X-Boost: Up to 4500W

Can run larger appliances like air conditioners and power tools without breaking a sweat.

Output Power

EcoFlow Delta Max

Capacity: 2kWh

Expandable up to 6kWh

Ideal for shorter trips or as a supplemental power source for essential devices during outages.

Comparison: Compared to a gas generator, Delta Pro’s higher output power allows it to support more and larger devices simultaneously, giving it an edge in scenarios requiring substantial power. Delta Max, though slightly less powerful, remains a strong contender for everyday power needs.

Expandable Batteries

Both Delta Pro and Delta Max have the ability to expand capacity with additional batteries.

EcoFlow Delta Pro

Capacity can be expanded up to a maximum wattage of 25kWh

Perfect for long-term power solutions for home backup during severe weather conditions or extended off-grid living.

Expansion Battery

EcoFlow Delta Max

Capacity can be expanded up to 6kWh

Substantial for many users, providing ample backup power for several days or powering larger campsites.

Portability and Design

The Delta Pro and Delta Max are encased in durable materials that can withstand various weather conditions.

Size and Weight

The Delta Pro is larger and heavier, weighing approximately 99 pounds, and has dimensions of 25 x 11.2 x 16.4 inches. In contrast, the Delta Max is more compact and lighter, weighing around 48 pounds and having dimensions of 19.6 x 9.5 x 12 inches. The larger size of the Delta Pro translates to a higher power output and capacity, but if portability is a priority, the Delta Max is easier to handle and transport.

Dimensions

Key Design Features

Feature EcoFlow Delta Pro EcoFlow Delta Max

Feature EcoFlow Delta Pro EcoFlow Delta Max
Power Output and Capacity 3600W power output, expandable up to 4500W with X-Boost, 3.6kWh capacity, expandable to 25kWh 2000W power output, expandable to 2800W with X-Boost, 2kWh capacity, expandable to 6kWh
Charging Options AC charging, solar panels, car charging, EcoFlow Smart Generator AC, solar, car, and smart generator charging
Ports and Connectivity AC outlets, USB-A, USB-C, DC ports, Wi-Fi, and Bluetooth connectivity for remote monitoring via app AC outlets, USB-A, USB-C, DC ports, Wi-Fi connectivity for remote control via app

Performance and Use Cases

The following are the use cases of these solar generators:

EcoFlow Delta Pro

  • Home Backup: The Delta Pro can keep essential appliances running during power outages, ensuring you stay connected and comfortable.
  • Off-Grid Living: With its high capacity and expandability, the Delta Pro is an excellent choice for off-grid living.
  • High-Power Tools: Power high-wattage tools on job sites, the Delta Pro ensures you have the energy you need for heavy-duty tasks.
Home

EcoFlow Delta Max

  • Camping and Outdoor Events: The Delta Max’s portability makes it perfect for camping trips, outdoor parties, and other events where you need power.
  • Home Backup for Smaller Appliances: While not as powerful as the Delta Pro, the Delta Max can still keep smaller home appliances and devices running during a power outage.
  • Portable Power Supply: Its lighter weight and smaller size make the Delta Max easy to transport, making it an excellent choice for users who need power on the go.
Camping

Charging Options and Solar Panel Integration

Charging Speed and Options

When it comes to charging speed and options, the EcoFlow Delta Pro and Delta Max offer impressive capabilities.

EcoFlow Delta Pro

  • Fastest Wall Charger: The Delta Pro boasts the fastest charger on the market, fully recharging from a standard AC outlet in just 2.7 hours.
  • Solar Charging: Supports solar charging with a maximum input of 1600W, making it an ideal choice for maximizing your solar generator setup.
  • Smart Generator Compatibility: Integrates with the EcoFlow Smart Generator to provide backup power during extended outages.
  • Versatile Power: With a full charge, it can power home appliances, tools, and even electric vehicles.
  • Smart Home Panel Compatibility: Seamless integration into a backup system for an uninterrupted power supply.
EcoFlow Delta Pro Charging

EcoFlow Delta Max

  • Multiple Charging Options: Can be charged using AC outlets, solar panels, or a car charger.
  • Charger: Fully recharges the Delta Max in around 6 hours.
  • Solar Charging Capacity: Supports up to 800W, making it a robust solar power option.
  • Smart Support: Ensures a reliable power supply during emergencies.
EcoFlow Delta Max Charging

Solar Panel Compatibility

The Delta Pro and Delta Max excel in this area but cater to slightly different needs.

EcoFlow Delta Pro

  • High Solar Input: Supports a maximum solar input of 1600W, allowing users to connect multiple solar panels for faster charging.
  • Wide Compatibility: Compatible with a wide range of solar panels, making it easy to integrate into existing solar systems.
  • For Extensive Setups: Perfect for backup or off-grid adventures.
EcoFlow Delta Pro With Solar Panel

EcoFlow Delta Max

  • Substantial Solar Input: Offers a maximum input of 800W, sufficient for most users’ needs.
  • Flexible Integration: Works with different solar panel brands, allowing easy expansion of charging capabilities.
  • Portable Solution: Ideal for camping or small-scale home backup.
EcoFlow Delta Max Home System With Solar Panel

Safety Features

EcoFlow Delta Pro

Safety is a major concern for EcoFlow, and the Delta Pro includes:

Battery

Battery Management System (BMS): Protects against overcharging, over-discharging, and short-circuiting.

Weather Resistance

Weather Resistance: Durable construction and water-resistant casing for added protection against the elements.

Power Supply

UPS Mode: Ensures connected devices remain powered during a switch from grid power to battery power.

EcoFlow Delta Max

The Delta Max shares many of the same safety features as the Delta Pro, including:

Battery

Battery Management System (BMS): Comprehensive protection against overcharging, over-discharging, and short-circuiting.

Weather Resistance

Weather Resistance: Designed to handle different weather situations.

Voltage

Automatic Voltage Regulation: Protects delicate electronics from power surges or fluctuations.

Power Supply

UPS Mode: Provides uninterrupted power supply to vital devices during power transitions.

Customer Reviews and Feedback

Rating

Delta Pro

“An absolute powerhouse for my off-grid cabin.”

Rating

Delta Max

“Perfect for my RV trips, charges quickly and powers everything I need.”

Conclusion

The EcoFlow Delta Pro and Delta Max each have distinct strengths that cater to different user requirements. The Delta Pro, with a 3.6kWh base capacity (expandable to 25kWh) and 3600W output, is ideal for extensive use and larger appliances.

Meanwhile, the Delta Max, with a 2kWh base capacity (expandable to 6kWh) and 2400W output, excels in portability for smaller-scale needs. Both models feature multiple charging options, smart generator integration, and comprehensive safety systems, making them reliable choices based on your specific power and portability requirements.

Have any questions or would like to place an order? We'd love to help! Chat with our friendly customer service team by calling 1-844-945-3625, chatting in on our website or email us at customersupport@wildoaktrail.com. We look forward to hearing from you!

Patricia Turla
Patricia Turla

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