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Deal.ai › EcoFlow
EcoFlow
EcoFlow DELTA 3 Max Plus Portable Power Station + 400W solar panel

EcoFlow DELTA 3 Max Plus Portable Power Station + 400W solar panel

Best price now

$1,599.00at WellbotsChecked Nov 10

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Price facts

  • Last seen at $1,599.00 at Wellbots on Nov 10.

Our take on the EcoFlow DELTA 3 Max Plus Portable Power Station + 400W solar panel

The EcoFlow DELTA 3 Max Plus is a high-capacity portable power station paired with a 400W folding solar panel, sold as a bundle for off-grid and backup power. It uses LiFePO4 cells, which hold up to thousands of charge cycles and tolerate heat better than older lithium-ion packs. The 400W panel lets you recharge from the sun without a wall outlet, which is the main reason to buy the bundle over the station alone. It suits homeowners building backup power, campers and van dwellers, and anyone who wants solar charging without buying panels separately. Against smaller rivals it trades portability for capacity; against gas generators it is quieter and fume-free but costs more per watt of output.

Best forHome backup during outagesVan and RV livingOff-grid cabin or campsite powerSolar charging without a wall outlet
Pros
  • LiFePO4 battery with a long cycle life
  • High capacity for running fridges, tools and appliances
  • 400W solar panel included for off-grid recharging
  • Fast AC recharging from a wall outlet
  • Multiple AC outlets plus USB and DC ports
Cons
  • Heavy and bulky; not a carry-in-one-hand unit
  • Solar input is limited by panel wattage and weather
  • Bundle costs more than the station alone
  • High continuous loads drain the battery quickly

EcoFlow DELTA 3 Max Plus Portable Power Station + 400W solar panel prices at every store

  • WellbotsNew

    In stockReturn policy

    $1,599.00Checked Nov 10
    Visit Wellbots

What reviewers say

Owners of EcoFlow DELTA-class stations generally praise the build, the fast AC recharge and the stable output for appliances. Solar charging works well in good sun but slows sharply in shade or cloud. The main complaints are weight and the cost of the larger capacity models.

What people mention
  • Build qualityPraisedOwners describe the unit as sturdy and reliable for repeated use.
  • Recharge speedPraisedAC recharging is reported as fast for a station of this size.
  • Solar chargingMixedWorks well in direct sun but output drops sharply in shade or cloud.
  • WeightCriticisedOwners say it is heavy and awkward to carry far.
  • NoisePraisedRuns quietly, far quieter than a gas generator.

About the EcoFlow DELTA 3 Max Plus Portable Power Station + 400W solar panel

The EcoFlow DELTA 3 Max Plus is a portable power station with 2,048 Wh of storage and a 3,000 W rated inverter (6,000 W surge). It can run appliances such as refrigerators and power tools, or an RV system. With X-Boost 3.0 technology, it supports devices up to approximately 3,800 W.

The power station uses LiFePO₄ (LFP) battery chemistry. It is rated for over 4,000 cycles to 80% capacity, a lifespan of more than 10 years of regular use. A 10 ms automatic switchover (UPS) protects sensitive electronics. It runs at 25 dB under light loads and charges from 0-80% in about 50 minutes under optimal conditions. Capacity can be expanded with compatible extra battery modules.

The bundle includes a 400 W portable solar panel with monocrystalline cells and up to 23% conversion efficiency. It folds into a one-piece design, and its protective case doubles as an adjustable kickstand. The panel has an IP68 dust- and water-resistance rating for outdoor use.

Capacity
2,048 Wh (2.048 kWh)
Rated AC output
3,000 W
Surge output
6,000 W
X-Boost 3.0
Supports devices up to approximately 3,800 W
Battery type
LiFePO₄ (LFP)
Cycle life
Over 4,000 cycles to 80% capacity
UPS switchover
10 ms automatic
Charging
Wall, generator and solar input
Fast charging
0-80% in about 50 minutes under optimal conditions
Noise level
25 dB under light loads
Expandability
Compatible extra battery modules

Questions and answers

What can the DELTA 3 Max Plus run?
It handles fridges, CPAP machines, laptops, lights, fans and many power tools. High-draw appliances like space heaters or full-size microwaves will drain it quickly.
How long does the battery last?
The LiFePO4 cells are rated for thousands of charge cycles before capacity drops noticeably, which is far longer than older lithium-ion packs.
Can I charge it from the included solar panel?
Yes. The 400W panel feeds the station's solar input, though real output depends on sun angle, shade and weather.
How does it compare with the DELTA 2 Max?
The DELTA 3 Max Plus is the newer generation with updated battery management and faster charging. Choose it for the latest features; the older model is a cheaper alternative if capacity is all you need.
Is it loud when running?
No. It runs quietly with no exhaust, unlike a gas generator, though fans may spin up under heavy load.
What comes in the box?
The power station, the 400W solar panel, and the charging cables needed to connect the panel to the station.
Where is the EcoFlow DELTA 3 Max Plus Portable Power Station + 400W solar panel cheapest?
At Wellbots, for $1,599.00, as of our latest check.

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Solar panel power
400 W rated
Panel efficiency
Up to 23% (monocrystalline cells)
Panel design
Foldable one-piece; protective case doubles as adjustable kickstand
Panel protection
IP68 dust- and water-resistant
In the bundle
DELTA 3 Max Plus power station, 400 W portable solar panel
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