If you’re searching for a powerhouse solar generator for home backup, RV travel, or off-grid living, the EcoFlow DELTA Pro is one of the most capable options on the market.
This guide breaks down everything you need to know about its features, performance, specs, and ideal use cases—based on manufacturer data, user feedback, and real-world applications.
EcoFlow DELTA Pro Specifications
Feature | Specification |
---|---|
Battery Capacity | 3,600Wh (expandable to 25,000Wh) |
Inverter Power | 3,600W (7,200W surge) |
Battery Type | LiFePO4 |
Weight | 99 lbs |
Charging Methods | AC, Solar, Car, EV Station, Smart Generator |
Solar Input | 1,600W max |
Cycle Life | 3,500+ cycles to 80% capacity |
Output Ports | 15 total (AC, USB-A, USB-C, DC, Anderson, EV-grade 30A) |
Performance
The EcoFlow DELTA Pro delivers robust performance across the board. With a 3,600W inverter (7,200W surge), it powers high-demand appliances like air conditioners, refrigerators, and power tools with ease. The system also supports 240V split-phase when paired with another unit, enabling whole-home use during outages.
- Runs full-sized refrigerators, sump pumps, microwaves, and even some central AC systems.
- Maintains stable output for sensitive electronics with pure sine wave technology.
- Ideal for both temporary power outages and continuous off-grid applications.
Battery & Specs
This solar generator is powered by an advanced LiFePO4 battery, known for its safety, thermal stability, and long cycle life (up to 3,500+ cycles). It stores 3,600Wh out of the box and can be expanded up to 25kWh using additional EcoFlow batteries.
Key Battery Features:
- Long-lasting chemistry: safer and more durable than traditional lithium-ion
- Modular design: supports chaining with EcoFlow Smart Batteries
- Mobile app integration: real-time monitoring and remote control
Portability & Design

EcoFlow DELTA Pro Solar Generator (PV220W)
from: EcoFlow
At 99 pounds, the DELTA Pro isn’t exactly lightweight, but its rugged wheels and telescoping handle make it easy to move across flat surfaces. This balance of portability and high capacity makes it a standout option for RVs, construction sites, and home use.
- Telescoping suitcase-style handle for mobility
- Durable exterior casing resists wear and impact
- All ports are front-facing and labeled for easy access
Charging Options

EcoFlow DELTA Pro Portable Power Station
from: EcoFlow
The DELTA Pro supports five charging methods, offering unmatched flexibility:
- AC Wall Charging – Up to 1,800W via standard outlet
- Solar Charging – Up to 1,600W from panels (11-150V, 15A)
- Car Charging – 12V/24V compatibility
- EV Station Charging – Level 2 EV charger input via dedicated port
- Smart Generator – EcoFlow’s gasoline generator for hybrid charging
With the MultiCharge feature, you can combine sources (e.g., solar + AC) to recharge from 0–100% in under 2.7 hours.
Price & Value
The EcoFlow DELTA Pro retails around $3,699, with expandable battery options and accessories available separately. While it’s a significant investment, it’s one of the only consumer-level solar generators that rivals gas backup systems in capacity and performance.
Included in the Box:
- DELTA Pro unit
- AC charging cable
- Car charging cable
- Solar charging cable
- User manual
Ideal Use Cases
Thanks to its large battery, modular expandability, and robust inverter, the DELTA Pro fits a wide range of high-demand scenarios:
- Home Backup Power – Keep fridges, lights, routers, and medical devices running
- RV & Van Life – Power AC units, cooking appliances, laptops, and more
- Off-Grid Cabins – Solar + generator integration for long-term independence
- Construction & Job Sites – Run power tools without gas fumes
- Emergency Preparedness – Stay ready for natural disasters or outages
Pros and Cons
Pros:
- Massive 3,600Wh base capacity (expandable to 25kWh)
- 3,600W inverter handles nearly all household devices
- Fast, flexible charging options (EV, solar, AC, generator)
- Durable LiFePO4 battery with long cycle life
- Modular and future-proof design with smart features
Cons:
- Heavy at 99 lbs (though mobile with wheels)
- High upfront cost
- Requires extra components for full home backup integration
Final Verdict
The EcoFlow DELTA Pro is one of the most powerful and future-ready solar generators available today. It’s best suited for users who need serious energy storage—whether for home backup, off-grid living, or mobile power use. With high power output, LiFePO4 battery chemistry, and flexible expandability, it’s a long-term investment that delivers real peace of mind.
- 30% Tax Credit Could be Applied. You could apply for the Residential Clean Energy Credit for qualified solar electric property costs. Please check with your utility to verify eligibility & requirements for Residential Clean Energy Credit programs.
- Large Capacity. Featuring a 3600Wh LFP battery capacity, DELTA Pro provides strong electrical storage for home battery backup power supply and outdoor camping. Applied with DELTA Pro Extra Batteries or Smart Generators, the electric generator can expand its capacity from 3.6kWh to 25kWh.
FAQs
Can the EcoFlow DELTA Pro power an entire home?
Yes, when paired with another DELTA Pro and a Smart Home Panel, it can deliver 240V split-phase power and run critical household loads.
How long does it take to charge via solar?
With 1,600W of solar input, it charges in 2.8–4 hours under optimal conditions.
Is the DELTA Pro good for off-grid use?
Absolutely. It supports high solar input, expandable capacity, and generator charging—making it ideal for full-time off-grid or cabin living.
Can I use the DELTA Pro while it’s charging?
Yes, it supports pass-through charging, so you can use connected devices while it recharges.
Full list of power stations compared to the Delta Pro:
- EcoFlow Delta Pro vs Delta Pro 3: Full Specs Comparison Guide
- Anker SOLIX F2600 vs EcoFlow DELTA Pro: Which Power Station Wins?
- Jackery Explorer 3000 Pro vs EcoFlow DELTA Pro: Full Specs & Feature Breakdown
- EcoFlow Delta Pro vs Anker SOLIX F3800: Full Comparison Guide
- EcoFlow Delta Pro vs Bluetti AC300: Full Specs and Feature Comparison
- EcoFlow Delta Pro vs Delta 2: Detailed Comparison Guide
- EcoFlow Delta Pro vs Delta 2 Max: Specs-Based Comparison Guide
- EcoFlow Delta Pro vs Delta Max: Which Power Station Is Better for You?
- EcoFlow Delta Pro vs Delta Pro Ultra: Full Comparison Guide
- EcoFlow Delta Pro vs Delta Max: Detailed Power Station Comparison
- EcoFlow Delta Pro vs Jackery 2000 Plus: Which Power Station Wins?
- EcoFlow Delta Pro vs Tesla Powerwall: Full Specs and Feature Breakdown
- EcoFlow Delta Pro vs Goal Zero Yeti 6000X: Specs & Feature Comparison Guide
- Bluetti EP500 vs EcoFlow Delta Pro: Specs-Based Comparison Guide
- EcoFlow Delta 1300 vs Delta Pro: Which One Should You Choose?
Last update on 2025-05-12 / Affiliate links / Images from Amazon Product Advertising API