DELTA 3 Plus

Name: EcoFlow DELTA 3 Plus Portable Power Station
Brand: EcoFlow
Price: 799 USD
Rating: 9 (1 reviews)

$799

9.0

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The Verdict

The DELTA 3 Plus is the 1kWh EcoFlow to buy when the price is sane. Its solar input and recharge speed make it a better outage/RV starter than older 1kWh stations.

Best for:

Outage home backupRV, van, and overlandingCamping and off-gridCPAP backup

Pros & Cons

Pros

1024Wh LiFePO4 capacity with newer 4000-cycle-class spec
1000W solar input is excellent for a 1kWh station
Fast AC recharge and high surge class make it a stronger current EcoFlow pick than DELTA 2

Cons

Pricing can jump if Amazon bundles panels or extras into the listing
Still not a whole-home station without expansion and load management
The higher solar ceiling only matters if you buy enough compatible panel capacity

At a Glance

1024 WhCapacity

1800 WAC output

3600 WSurge

LiFePO4Battery

1000 WSolar input

27 lbWeight

Overview

EcoFlow DELTA 3 Plus Portable Power Station sits in the home essentials starter tier with 1,024Wh of rated capacity and 1,800W of AC output. Our first-pass verdict is source-backed rather than hands-on: the important question is whether this station fits the loads you actually need to keep running. The DELTA 3 Plus is the 1kWh EcoFlow to buy when the price is sane. Its solar input and recharge speed make it a better outage/RV starter than older 1kWh stations.

EcoFlow DELTA 3 Plus Portable Power Station

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Runtime Fit

Using an 85% planning assumption for AC loads, DELTA 3 Plus offers roughly 870 usable watt-hours before reserve and real-world variables. Treat it as a home-essentials starter for router, phones, lights, CPAP, fans, and carefully checked appliance windows. Runtime changes with actual watts, duty cycle, battery age, temperature, and whether you use AC or DC output.

Output And Surge

DELTA 3 Plus is listed at 1,800W continuous output with 3,600W surge-class headroom. Capacity answers how long the station may run. Output answers whether the load starts at all. Check refrigerator compressors, pumps, power tools, and cooking appliances before treating any estimate as reliable.

Recharge And Solar

The published solar-input figure is 1,000W, and AC recharge is listed around 0.9 hours. Solar panels rarely deliver nameplate wattage all day, so plan around realistic sun, panel angle, weather, and the station's voltage/connector requirements.

Who Should Buy It

DELTA 3 Plus makes the most sense for outage, rv, camping, cpap buyers who understand the limits of its capacity tier. Buy it when the load matches the station. Size up when refrigerator, CPAP, RV, jobsite, or home-panel expectations exceed the Wh, surge, weight, or recharge envelope.

Our Verdict

The DELTA 3 Plus is the 1kWh EcoFlow to buy when the price is sane. Its solar input and recharge speed make it a better outage/RV starter than older 1kWh stations.

How We Chose This Pick

We weigh rated watt-hours, usable-runtime math, inverter output, surge headroom, battery chemistry, recharge inputs, weight, and price before ranking. No manufacturer pays for placement.

See Our Full Selection Process →

EcoFlow DELTA 3 Plus Portable Power Station

$799

Check Price at EcoFlow Buy on Amazon

Prices may change · Free shipping with Prime

Full Specifications
Capacity	1024Wh
AC output	1800W
Surge	3600W
Battery	LiFePO4
Cycle life	4000cycles
Solar input	1000W
AC recharge	0.9hr
Weight	27lb
UPS/EPS	UPS/EPS; verify transfer time
Ports	AC, USB-C, USB-A, DC
Expandable	Yes

Frequently Asked Questions

Can the DELTA 3 Plus run a refrigerator?

Possibly for short, carefully managed windows if the refrigerator startup surge fits the inverter. A 2kWh station gives more realistic margin.

Can the DELTA 3 Plus run a CPAP overnight?

A strong capacity tier for CPAP backup, still requiring exact-device verification and a reserve margin.

Is the DELTA 3 Plus a whole-home backup system?

No. Treat it as a portable essentials station, not a whole-home backup system.

Can the DELTA 3 Plus replace a UPS?

Do not assume that. Some stations offer UPS or EPS-style behavior, but transfer time, waveform, supported load, and medical/device tolerance are model-specific.