EcoFlow has become the top choice for UK homeowners, gardeners and off-grid users who want quiet, reliable and renewable backup power. Their Delta and River series have dominated the market for years — and with the launch of the new Delta 3 and River 3 models, EcoFlow is now even stronger. These units charge extremely fast, run essential appliances, and pair perfectly with portable solar panels.
If you’re looking for the best EcoFlow solar generators UK-wide for home backup, sheds, workshops or self-sufficiency projects, it helps to understand how each model differs. The Delta range delivers serious power for home energy security, while the River range offers lightweight, everyday portability for camping, vans and garden use.
But with so many EcoFlow models now available — Delta 2, Delta 3, Delta 3 Plus, Delta 2 Max, River 2, River 3 Plus, Delta Pro and more — choosing the right one can feel overwhelming.
Below is the definitive UK guide, comparing the most searched EcoFlow models to help you choose the best option for home power backup, sheds, camping, or emergencies.
For broader context, you may also want to explore our guides on self-sufficiency and backup solar generators.
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🏆 Our #1 EcoFlow Pick for Most UK Homes
If you just want a safe, reliable choice, the EcoFlow Delta 2 is the best starting point. It offers an excellent balance of price, power and fast charging, making it one of the best EcoFlow solar generators UK buyers can choose.
💡 Want the newest model?
EcoFlow has now released the Delta 3, offering upgraded
efficiency and faster solar charging. It’s a great alternative if you prefer
the latest-generation design.
EcoFlow Delta 2 vs Delta 3 – Quick Comparison
EcoFlow’s Delta 3 is the newer generation of the hugely popular Delta 2. Both are excellent home backup units, but the Delta 3 offers several meaningful upgrades. Here’s how they compare:
| Feature | Delta 2 | Delta 3 |
|---|---|---|
| Capacity | 1,024Wh | 1,024Wh (same base capacity) |
| Battery Type | LFP – 3,000 cycles | LFP – 4,000+ cycles (longer lifespan) |
| AC Output | 1,800W | 1,800W (same output) |
| Charging Speed | 0–80% in ~50 minutes | Even faster with updated charging profile |
| Noise Level | Moderate | Quieter, improved cooling |
| Weight | ≈12kg | Slightly lighter & more efficient |
| Typical Price | £350–£450 | £500–£600 |
| Best For | Best-value home backup | Future-proof model with longer lifespan |
In short: the Delta 2 offers unbeatable value, while the Delta 3 is the better long-term investment thanks to improved efficiency, quieter operation and a longer battery lifespan.
Want a deeper breakdown? See our full comparison: EcoFlow Delta 2 vs Delta 3 – Which Should You Buy?
EcoFlow Solar Generator Comparison Table
| Model | Capacity | Output (AC) | Best For | Typical Price |
|---|---|---|---|---|
| EcoFlow Delta 2 | 1,024Wh | 1,800W | Best all-rounder for UK homes | £350–£450 |
| EcoFlow Delta 3 | 1,024Wh | 1,800W | Newer upgrade to the Delta 2 | £500–£600 |
| EcoFlow Delta 3 Plus | 1,536Wh | 1,800W | Higher storage & multi-appliance use | £650–£750 |
| EcoFlow Delta 2 Max | 2,048Wh | 2,400W | Longer outages & whole-room backup | £900–£1,100 |
| EcoFlow River 2 | 256Wh | 300W | Budget, camping & everyday portable use | £150–£250 |
| EcoFlow River 2 Max | 512Wh | 500W | Best portable power for vans & sheds | £250–£450 |
| EcoFlow River 3 Plus | 286Wh | 1,200W | High-output portable power | £199–£299 |
| EcoFlow Delta Pro | 3,600Wh | 3,600W | Whole-home emergency backup | £2,700–£3,200 |
Best EcoFlow Solar Generator for Most UK Homes
EcoFlow pricing changes frequently, particularly when new models are released or older stock is phased out. For most UK households, the Delta 2 continues to offer the best balance of price, performance and everyday usability, even as newer models become available. If you’re weighing up whether the newer model is worth the jump, our detailed EcoFlow Delta 2 vs Delta 3 comparison explains the key differences and helps you decide which option makes the most sense for your setup.
EcoFlow Delta 2 – Best Overall Value for Most UK Homes
The EcoFlow Delta 2 remains the best-value EcoFlow solar generator for most UK households. It combines fast charging, strong appliance support and proven reliability at a lower price than newer models.
- 1,024Wh capacity (expandable up to 3kWh)
- 1,800W AC output – runs fridges, kettles, microwaves & tools
- 0–80% charge in under 1 hour
- Lightweight and portable for sheds, garden offices and home backup
Typical price: £350–£450 (often discounted seasonally)
Best for: homeowners wanting the best mix of power, value and reliability.
See the EcoFlow Delta 2 on Amazon UK
EcoFlow Delta 3 – Newest-Generation All-Rounder
The EcoFlow Delta 3 is the upgraded successor to the Delta 2, offering improved efficiency, quieter operation and faster solar performance while retaining a practical 1,024Wh capacity.
- 1,024Wh capacity with improved efficiency
- 1,800W AC output – ideal for home appliances & power tools
- Faster solar charging than previous generation models
- Updated design with better cooling and lower noise
Typical price: £500–£600 (varies with promotions)
Best for: buyers who want the latest-generation EcoFlow for home backup or sheds.
See the EcoFlow Delta 3 on Amazon UK
EcoFlow Delta 3 Plus – Best Mid-Range Option with Longer Runtime
The EcoFlow Delta 3 Plus increases storage to 1,536Wh and offers excellent runtime for sheds, workshops and extended outages. For many households, it delivers the best balance of power and affordability.
- 1,536Wh battery – 50% more runtime than Delta 3
- 1,800W AC output (3600W surge)
- Great mid-range backup for multi-appliance use
- Often discounted close to Delta 3 pricing
Typical price: £650–£750 (sales sometimes reduce this significantly)
Best for: extended home backup, garden workshops and off-grid projects.
See the EcoFlow Delta 3 Plus on Amazon UK
EcoFlow Delta 2 Max – Best for Longer Power Cuts
The Delta 2 Max offers a major capacity jump over the Delta 2. Its 2,048Wh battery can expand past 6kWh, making it ideal for serious home backup and multi-appliance use.
- 2,048Wh capacity (expandable to 6kWh+)
- 2,400W AC output – handles heavier loads
- Long-life LFP battery (3,000+ cycles)
- High solar input for fast off-grid recharging
Typical price: £900–£1,100 (varies with stock and promotions)
Best for: power-hungry homes, workshops and longer outages.
See the EcoFlow Delta 2 Max on Amazon UK
EcoFlow River 2 – Best Budget EcoFlow
The River 2 is EcoFlow’s most affordable model and one of the fastest-charging compact power stations available. Perfect for camping, laptops, routers and quick emergency use.
- 256Wh capacity
- 300W AC output (600W surge)
- Full charge in just 60 minutes
- Ultra-light 3.5kg design
Typical price: £150–£250 (depending on seasonal deals)
Best for: camping, travel, portable power and basic home backup.
See the EcoFlow River 2 on Amazon UK
EcoFlow River 2 Max – Best Portable Power for Vans & Sheds
The River 2 Max doubles the capacity of the River 2 and boosts output, making it a superb compact option for van life, DIY tools, garden sheds and weekend trips.
- 512Wh capacity
- 500W AC output (1,000W surge)
- Same rapid 1-hour charging
- Lightweight & easy to move
Typical price: £250–£450 (depending on offers)
Best for: vans, garden sheds, DIY tools and short off-grid stays.
See the EcoFlow River 2 Max on Amazon UK
EcoFlow River 3 Plus – Best High-Output Compact Power Station
The River 3 Plus adds a powerful 1,200W inverter while staying compact and portable. It’s ideal for tools, cooking appliances and van conversions needing more output than the River 2 range.
- 286Wh capacity
- 1,200W AC output
- Fast charging with solar or mains
- Great for appliances and power tools on the go
Typical price: £199–£299 (varies between sellers)
Best for: portable tool use, van conversions and higher-output needs.
See the EcoFlow River 3 Plus on Amazon UK
EcoFlow Delta Pro – Best Whole-Home Backup Solution
The Delta Pro is EcoFlow’s flagship system and one of the most capable portable solar generators available. It powers heavy appliances, supports full-home integration and offers true off-grid resilience.
- 3,600Wh capacity (expandable to 25kWh)
- 3,600W output – runs heavy appliances
- EV-grade LFP battery
- Compatible with EcoFlow Smart Home Panel
Typical price: £2,700–£3,200 (varies with stock and sales)
Best for: whole-home backup, off-grid living and maximum energy security.
See the EcoFlow Delta Pro on Amazon UK
EcoFlow Solar Panels Explained (110W, 160W, 220W, 400W)
EcoFlow portable solar panels are among the most efficient and durable options in the UK market. Choosing the right wattage dramatically affects charging speed, especially in typical UK cloudy conditions where panel quality and size both matter.
EcoFlow 110W & 160W Solar Panels – Best for River & Lightweight Setups
- Ideal for River 2, River 2 Max and River 3 Plus
- Lightweight, foldable and easy to carry or store in a van
- Great for camping, van life and light off-grid setups
- Work well for keeping small devices, routers and laptops running
Typical price: £200–£350 depending on wattage and deals.
EcoFlow 220W Bifacial Solar Panel – Best for Delta 2 & Delta 3
- Top choice for Delta 2 and Delta 3 charging
- Bifacial design captures reflected light for up to ~20% extra input
- Excellent performance in cloudy UK weather compared to cheaper panels
- More compact and manageable than running multiple large panels
Typical price: £350–£499 (often discounted seasonally).
EcoFlow 400W Solar Panel – Best for Delta 3 Plus, Delta 2 Max & Delta Pro
- Strongest portable solar option for Delta 3 Plus, Delta 2 Max and Delta Pro
- Fastest recharge times for larger battery banks and whole-room backup
- Ideal for home backup, garden workshops, sheds and off-grid cabins
- Heavier and less portable, but offers unmatched charging performance
Typical price: £700–£900 depending on stock and promotions.
Pairing your EcoFlow power station with the right solar panels turns it into a true solar generator, reducing running costs and improving off-grid independence. Smaller River units pair well with 110W–160W panels, while larger Delta models benefit from 220W or 400W arrays for faster recharging.
For more detail on portable solar vs traditional generators, see our full guide: Best Type of Backup Generator for Home Use.
EcoFlow vs Jackery vs Bluetti – Which Is Best for the UK?
EcoFlow, Jackery and Bluetti are the three biggest names in portable power. Each brand has strengths, but for UK weather and home-backup needs, the differences become clearer. Here’s how they compare in real-world use:
EcoFlow – Best for Fast Charging & Home Backup
- Fastest charging speeds of any major brand (mains & solar)
- Excellent smart app and energy monitoring features
- Most expandable ecosystem (batteries, smart home panel, etc.)
- Delta 2 / Delta 3 / Delta 3 Plus are ideal for UK home backup
- Performs well in cloudy UK conditions with 220W & 400W solar panels
Best for: home backup, sheds, workshops, off-grid use and anyone wanting the newest fast-charging tech.
Jackery – Best for Simplicity & Portability
- Very easy to use – ideal for beginners
- Lighter solar panels and lighter units overall
- Long brand reputation and wide accessory support
- Slower charging compared to EcoFlow & Bluetti
- Less expandable – better for occasional use
Best for: camping, travel, glamping, festivals and light outdoor use.
Bluetti – Best for Capacity & Long Battery Lifespan
- Excellent LFP battery cycles (often 3,000+)
- Very high capacity per pound spent – good value
- Great for people wanting large, heavy power stations
- Slower charging than EcoFlow, heavier than Jackery
- Some models charge best with fixed solar setups
Best for: high-capacity off-grid setups, long-term van conversions, and buyers prioritising battery lifespan over portability.
Overall Winner for UK Home Backup
EcoFlow is the best all-round choice for UK users thanks to its fast charging, efficient solar performance in cloudy weather, and strong ecosystem of Delta 2, Delta 3, Delta 3 Plus and Delta Pro models. For home energy security, no brand currently offers better flexibility or speed.
What’s the Best EcoFlow Model for You? – Quick Recommendations
| Scenario | Best EcoFlow Model |
|---|---|
| General home backup | Delta 3 (or Delta 2 for best value) |
| Longer outages | Delta 3 Plus or Delta 2 Max |
| Whole-home / heavy use | Delta Pro |
| Budget option | River 2 |
| Portable power | River 2 Max or River 3 Plus |
| Powering multiple garden tools | Delta 3 or Delta 3 Plus |
| Off-grid cabin / workshop | Delta Pro |
🌿 Final Thoughts
Choosing the best EcoFlow solar generator really depends on how much power you need and how you plan to use it. For everyday portability, camping and light off-grid use, the River 2, River 2 Max and River 3 Plus deliver fast charging in compact, lightweight units.
If you need reliable home backup or want to power sheds, workshops or garden offices, the Delta 3 and Delta 3 Plus offer a major jump in capacity and performance compared to older models. They are excellent all-round choices for most UK households.
For longer outages, high-demand tools or whole-home resilience, the Delta 2 Max provides outstanding value, while the Delta Pro remains the most powerful and expandable portable backup system EcoFlow makes.
EcoFlow pricing changes frequently, especially as new models appear and older generations are discounted. If you’re comparing options, it’s worth checking current deals—particularly around seasonal sales, where the Delta and River ranges can drop significantly in price.
Whichever model you choose, EcoFlow units remain some of the fastest-charging, most efficient and most reliable solar generators available in the UK, making them an excellent investment for home energy security and off-grid independence.
🔗 Related Articles
Existing articles:
- Self Sufficiency UK – Complete Resource Hub
- What Is the Best Type of Backup Generator for Home Use?
- Best Solar Generators UK – Top Portable Power Stations for Home, Camping & Emergencies
- EcoFlow Delta 2 vs Delta 3 – Which should you buy?
Coming soon:
- Best Jackery Solar Generators UK
- Best Bluetti Solar Generators UK
- EcoFlow Delta 2 vs Delta 2 Max – Which Should You Buy?
❓ Frequently Asked Questions
What is the best EcoFlow solar generator in the UK?
The best EcoFlow solar generators UK depend on your power needs.
For most homes, the EcoFlow Delta 2 offers the best balance of capacity, output and fast charging.
For bigger backup requirements, the Delta 2 Max or Delta Pro provide far more runtime and higher wattage.
Are EcoFlow solar generators worth it?
Yes — EcoFlow generators are among the fastest-charging and most reliable portable power stations available.
They offer long-life LFP batteries, strong inverter output and excellent solar performance, making them some of the best EcoFlow solar generators UK users can buy for home backup or camping.
How long do EcoFlow solar generators last?
EcoFlow models using LFP batteries typically last 3,000+ cycles, which can mean 8–10 years of regular use.
This is one reason many consider them among the best EcoFlow solar generators UK for long-term reliability.
Can an EcoFlow run a house?
A single EcoFlow unit won’t power an entire home, but the EcoFlow Delta Pro can run most essential appliances and can be expanded into a whole-home system using the EcoFlow Smart Home Panel.
This makes it one of the best EcoFlow solar generators UK for serious backup.
What is the difference between EcoFlow Delta and River models?
Delta models offer higher capacity and wattage, making them suitable for home backup.
River models are lighter and more portable, ideal for camping and everyday use.
Both ranges include some of the best EcoFlow solar generators UK depending on your needs.
How fast do EcoFlow generators charge with solar?
EcoFlow generators charge extremely quickly, typically reaching 80% in around one hour using mains power, and efficiently with solar depending on panel wattage and sunlight conditions.
This fast charging ability is a major reason why EcoFlow units are considered among the best EcoFlow solar generators UK wide.
Are EcoFlow generators better than Jackery or Bluetti?
EcoFlow generally leads in charging speed, app control and expandability, while Jackery offers simplicity and Bluetti offers high capacity at good prices.
If you want the most versatile system, EcoFlow often provides the best EcoFlow solar generators UK for both beginners and advanced users.
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