Looking for a reliable solar generator or portable power station? The EcoFlow DELTA 2 is one of the most popular mid-range models on the market. Known for its fast charging, expandable battery, and high output capacity, it’s ideal for camping, emergency backup, and off-grid projects.
In this guide, we’ll break down the EcoFlow DELTA 2’s key features, performance, and best use cases — based on product specs, real-world feedback, and brand reliability.

EcoFlow DELTA 2 Portable Power Station
from: EcoFlow
EcoFlow DELTA 2 Specifications
Feature | Specification |
---|---|
Battery Capacity | 1024Wh (expandable to 3040Wh) |
Inverter Power | 1800W (Surge 2700W) |
Battery Type | LFP (LiFePO4) |
Weight | 27 lbs (12 kg) |
Charging Methods | AC, Solar, Car, USB-C |
AC Charging Speed | 0–80% in 50 mins (Full in ~80 mins) |
Solar Input | 11–60V, up to 500W max |
Output Ports | 15 total (AC, DC, USB-A/C) |
Lifecycle | 3000+ cycles to 80% |
App Connectivity | Yes (Wi-Fi & Bluetooth) |
Performance
The EcoFlow DELTA 2 packs an 1800W inverter that can run up to 90% of household appliances. With a 1024Wh capacity and the option to expand with extra batteries (up to 3040Wh), it strikes a great balance between portability and serious power.
It can power:
- A full-size refrigerator for ~7–10 hours
- A CPAP machine for 20+ hours
- A microwave, coffee maker, or even a small AC unit for shorter durations
You can also use it for multi-device charging thanks to its 15 output ports, making it a hub for both emergency use and group camping.
Battery & Specs
- Battery Chemistry: LFP (LiFePO4) – known for safety and longevity
- Lifecycle: Rated for 3000+ full cycles before dropping to 80% capacity
- Expandable: Connects with DELTA 2 Extra Battery or DELTA Max Extra Battery for longer runtime
- App Monitoring: Control and monitor usage remotely with the EcoFlow app
This battery chemistry ensures a much longer lifespan than typical lithium-ion stations in this price range.
Portability & Design
Weighing 27 lbs, the DELTA 2 is manageable for most people to carry with one hand. The built-in side handles and compact design make it perfect for car camping, tailgating, and moving around the house.
The design is sleek, modern, and durable — with a matte finish that resists scratches and smudges.
Charging Options
The DELTA 2 is one of the fastest-charging solar generators in its class.
- AC Charging: 0 to 80% in just 50 minutes via standard wall outlet
- Solar Charging: Accepts up to 500W of solar input with MC4 to XT60 adapter
- Car Charging: Can fully recharge in 10–12 hours via 12V port
- Dual Charging: You can combine AC + Solar for even faster top-offs
Pairing it with EcoFlow’s 220W Bifacial Solar Panel maximizes off-grid performance.
Price & Value
As of 2024, the EcoFlow DELTA 2 is priced around $899–$999, depending on seasonal promotions and bundled accessories.
Considering its:
- High-quality LiFePO4 battery
- Fast charging
- Expandability
- Advanced app control
…it offers strong value in the sub-$1,000 solar generator category.
Ideal Use Cases
The EcoFlow DELTA 2 is an excellent choice for:
- Home backup: Keep essentials running during power outages
- RV & Vanlife: Recharge on the road with solar or campground hookups
- Camping & Overlanding: Quiet and compact for extended trips
- Construction & DIY: Power tools and devices on job sites
- Preppers & Emergency Kits: Reliable, safe, and easy to use
Its versatility and size make it a solid “do-it-all” portable power station.
Pros and Cons
Pros:
- Ultra-fast charging (AC & solar)
- Expandable battery system
- Long-lasting LiFePO4 chemistry
- App control and monitoring
- Runs most household appliances
Cons:
- No wireless charging pad
- Slightly heavier than similar-capacity lithium-ion models
- Solar panels sold separately
Final Verdict
The EcoFlow DELTA 2 stands out as one of the best mid-range solar generators in 2024. With high inverter power, fast charge rates, long battery life, and smart features, it covers nearly every use case — from emergency prep to weekend camping.
It’s best for anyone who needs serious portable power but doesn’t want to jump into the bulky, $2000+ tier.
- 7 X Faster Charging. 0-80% in just 50 mins and 0-100% in 80 mins with AC input. That’s ideal when you need home backup power and a quick charge using your wall outlet.
- Expandable Capacity from 1-3kWh. With the standalone portable power station sporting 1kWh, you can add on extra batteries to reach up to 3kWh. Ideal for camping, RVs or off-grid living.and a quick charge using your wall outlet.
- Power Almost Anything. Portable batteries have come a long way. Power all your appliances with 1800W output, that’s on par with outdoor generators without the fumes or noise. With 15 outlets and its huge output, you can power 90% of your appliances.
Related:
- EcoFlow Delta 2 vs Bluetti AC200P: Which Portable Power Station Is Best?
- Bluetti AC180 vs EcoFlow Delta 2: Specs-Based Comparison Guide
- EcoFlow Delta Pro vs Delta 2: Detailed Comparison Guide
- EcoFlow Delta 1300 vs Delta 2: Complete Specs-Based Comparison
FAQs
Is the EcoFlow DELTA 2 good for off-grid living?
It can be — especially when paired with solar panels and extra batteries. For full-time off-grid use, the expanded 2–3kWh setup is recommended.
Can the DELTA 2 power an air conditioner?
It depends on the AC unit. It can run small portable or window ACs under 1800W, but only for a limited time due to the 1024Wh capacity.
How loud is the EcoFlow DELTA 2?
It’s quiet under light load. The fan kicks in when charging or during heavy use but remains much quieter than a gas generator.
Last update on 2025-05-12 / Affiliate links / Images from Amazon Product Advertising API