StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai › EcoFlow
EcoFlow
EcoFlow DELTA 3 Solar Generator

EcoFlow DELTA 3 Solar Generator

Best price now

$729.00at EcoFlowChecked Nov 9

Prices are checked against each store and labelled with when.

Visit EcoFlow
EcoFlow discount code →

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $729.00 at EcoFlow on Nov 9.

Our take on the EcoFlow DELTA 3 Solar Generator

The EcoFlow DELTA 3 is a portable power station with a 1 kWh-class LFP battery that expands up to 5 kWh by adding EcoFlow extra batteries, including the DELTA 3, DELTA Pro 3, DELTA 2 and DELTA 2 Max packs. It delivers 1800W AC output, rising to 2200W with X-Boost for resistive loads, and recharges five ways: AC wall power, solar, an 800W alternator charger, the Smart Generator 3000 dual-fuel unit, or multi-charging. A 5-year warranty is longer than most rivals offer. It suits homeowners who want a scalable backup or off-grid hub and are already in the EcoFlow battery ecosystem; shoppers who only need to run a laptop and a fan will find it heavier and more capable than they need.

Best forHome backup for outagesOff-grid cabin and van powerScaling up with extra batteriesRunning fridges, tools and small appliances
Pros
  • Expands to 5 kWh with EcoFlow extra batteries
  • 1800W AC output, 2200W with X-Boost
  • Five recharging methods, including solar and alternator
  • LFP battery chemistry for long cycle life
  • 5-year warranty
Cons
  • Heavy and bulky to move around
  • X-Boost limits apply to motor and compressor loads
  • Full solar recharge needs a large panel array
  • Extra batteries add significant cost

EcoFlow DELTA 3 Solar Generator prices at every store

  • EcoFlowNew

    In stockReturn policy

    $729.00Checked Nov 9
    Visit EcoFlow

About the EcoFlow DELTA 3 Solar Generator

The EcoFlow DELTA 3 Solar Generator is a portable power station that can be recharged from several sources. Its capacity expands from 1 kWh to 5 kWh when paired with an extra battery.

It delivers 1800 W of AC output. With X-Boost, output reaches 2200 W, with a surge of 3600 W. It can be recharged by AC, solar, an 800 W alternator charger, a Smart Generator 3000 (Dual Fuel), or multicharging.

AC output
1800 W
X-Boost output
2200 W (surge 3600 W)
Capacity
1 kWh, expandable up to 5 kWh
Expansion
DELTA 3 Extra Battery, DELTA Pro 3 Extra Battery, DELTA 2 Extra Battery or DELTA 2 Max Extra Battery
Recharging
AC, solar, 800 W alternator charger, Smart Generator 3000 (Dual Fuel), multicharging
Warranty
5 years

Questions and answers

Can I expand the DELTA 3's capacity later?
Yes. It accepts DELTA 3, DELTA Pro 3, DELTA 2 and DELTA 2 Max extra batteries, taking total capacity up to 5 kWh.
What can 1800W run?
Fridges, lights, routers, TVs, laptops, fans and most power tools. X-Boost raises output to 2200W for resistive loads, but motors and compressors still draw high startup surges.
How does it recharge?
Five ways: AC wall outlet, solar panels, an 800W alternator charger, the Smart Generator 3000 dual-fuel generator, or multi-charging with several sources at once.
Is it good for a van or RV?
Yes, especially with the 800W alternator charger, which tops it up from the vehicle's electrical system while driving.
How long is the warranty?
Five years, which is longer than the one- to two-year coverage many portable power stations carry.
Where is the EcoFlow DELTA 3 Solar Generator cheapest?
At EcoFlow, for $729.00, as of our latest check.

More from EcoFlow

  • E
    EcoFlow NextGen 160W Portable Solar Panel
    EcoFlow NextGen 160W Portable Solar Panel
  • E
    EcoFlow RAPID Mag Qi2.2 Magnetic Power Bank (10,000mAh, 25W, Built-in USB-C Cable)
    EcoFlow RAPID Mag Qi2.2 Magnetic Power Bank (10,000mAh, 25W, Built-in USB-C Cable)
  • E
    EcoFlow RAPID Mag Qi2 Batería Externa Magnética (10,000mAh, 15W)
    EcoFlow RAPID Mag Qi2 Batería Externa Magnética (10,000mAh, 15W)
  • E
    EcoFlow RIVER 3 Plus Portable Power Station
    EcoFlow RIVER 3 Plus Portable Power Station
  • E
    EcoFlow DELTA 2 Max Power Station
    EcoFlow DELTA 2 Max Power Station
E
EcoFlow DELTA 2 Max Solar Generator
EcoFlow DELTA 2 Max Solar Generator
  • S
    Special Bundle: Ecoflow Delta 2 Max Portable Power Station & 2 x 220W Solar Panel (Nomad Kit)
    Special Bundle: Ecoflow Delta 2 Max Portable Power Station & 2 x 220W Solar Panel (Nomad Kit)
  • E
    EF ECOFLOW DELTA 2 MAX Power Station with Smart Extra Battery
    EF ECOFLOW DELTA 2 MAX Power Station with Smart Extra Battery
  • All EcoFlow deals and products →

    More portable power stations

    • U
      UDPOWER C400 Solar Generator with 40W Solar Panel
      UDPOWER C400 Solar Generator with 40W Solar Panel
    • S
      SinKeu 200W Portable Power Bank 155Wh Battery Bank Fast Charging Home Solar Generator Outdoor Camping
      SinKeu 200W Portable Power Bank 155Wh Battery Bank Fast Charging Home Solar Generator Outdoor Camping
    • B
      Bluetti AC70
      Bluetti AC70
    • R
      ROCKSOLAR Weekender Max 111Wh Solar Generator Kit
      ROCKSOLAR Weekender Max 111Wh Solar Generator Kit
    • R
      ROCKSOLAR Weekender 80-Watt Power Station with 30-Watt Foldable Solar Panel Kit
      ROCKSOLAR Weekender 80-Watt Power Station with 30-Watt Foldable Solar Panel Kit
    • G
      GoSports Outdoors Backcountry 500W Portable Power Station
      GoSports Outdoors Backcountry 500W Portable Power Station
    • B
      BLUETTI Elite 400
      BLUETTI Elite 400
    • A
      Anker SOLIX E10
      Anker SOLIX E10