How long can it run a refrigerator?

EcoFlow rates a typical refrigerator at 10 to 20 hours on the internal battery. Real runtime depends on the fridge's draw and duty cycle.

Can I expand the capacity later?

Yes. It accepts additional EcoFlow batteries to reach about 10kWh. Those batteries are sold separately.

How fast does it charge from the wall?

About 68 minutes from 0 to 80% with X-Stream charging. That needs a circuit that can handle the high input wattage.

Does it work as a UPS?

Yes. It switches to battery in under 10ms, so connected devices keep running during an outage.

How much solar can it take?

Up to 500W of solar input. Panels are not included.

What can it power at once?

It delivers 2400W continuous with a 4800W surge, so a fridge plus electronics, or a 1000W microwave for a short run, is realistic.

Where is the EcoFlow DELTA 3 Max cheapest?

At AllProGenerators, for $879.00, as of our latest check.

EcoFlow DELTA 3 Max

Best price now

$879.00at AllProGeneratorsChecked 16 min ago

Prices are checked against each store and labelled with when.

Visit AllProGenerators

EcoFlow discount code →

EcoFlow DELTA 3 Max

Best price now

$879.00at AllProGeneratorsChecked 16 min ago

Prices are checked against each store and labelled with when.

Visit AllProGenerators

EcoFlow discount code →

Ask our agent about this product

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Price facts

Lowest price today: $879.00 at AllProGenerators (checked Nov 15, 2026).

Our take on the EcoFlow DELTA 3 Max

The EcoFlow DELTA 3 Max is a 2048Wh portable power station with a 2400W continuous output and 4800W surge, enough to run a fridge, a microwave or a CPAP machine. It uses LiFePO4 cells rated for 3000+ cycles, charges from 0 to 80% in about 68 minutes on AC, and takes up to 500W of solar. It is expandable to roughly 10kWh with extra EcoFlow batteries and doubles as a UPS with under 10ms transfer. It suits home backup, RV and off-grid users who want room to grow; rivals in its class often match the output but offer less expansion or slower charging.

Best forHome backup for essentials during outagesRV and van lifeOff-grid solar setupsCPAP and medical device users

Pros

2048Wh capacity with 2400W continuous output
LiFePO4 battery rated for 3000+ cycles
0–80% charge in about 68 minutes on AC
Expandable to about 10kWh with extra batteries
UPS transfer under 10ms
Up to 500W solar input

Cons

Heavy for one person to carry
Full output and fast charging need a high-wattage wall circuit
Expansion batteries add significant cost
App setup and firmware updates can be fiddly

EcoFlow DELTA 3 Max prices at every store

AllProGeneratorsNew
In stockReturn policy
$879.00Checked 16 min ago
Visit AllProGenerators

What reviewers say

Owners of EcoFlow's DELTA line generally praise the fast charging, steady output and app monitoring. Common complaints center on weight and the cost of add-on batteries.

What people mention

Charging speedPraisedOwners say the X-Stream AC charging refills the battery far faster than most rivals.
WeightCriticisedBuyers note it is heavy and awkward to carry alone, especially up stairs.
OutputPraisedUsers report it runs fridges and microwaves without tripping.
Expansion costCriticisedAdding batteries to reach the full capacity is seen as costly.
Fan noiseMixedThe fan is quiet at light loads but audible under heavy draw or fast charging.

About the EcoFlow DELTA 3 Max

The EcoFlow DELTA 3 Max is a portable power station with a 2048Wh LiFePO4 battery. It is meant for home backup, RV travel and off-grid power. It delivers 2400W continuous output with a 4800W surge, and X-Boost raises output to as much as 3400W.

It charges from 0 to 80% in about 68 minutes on AC power with EcoFlow X-Stream technology. It also accepts up to 500W of solar input, and it can charge from a generator or a car. The battery is rated for 3000+ cycles to 80%.

The UPS function switches over in under 10 ms to keep connected devices running during an outage. The EcoFlow app monitors and controls the unit over WiFi and Bluetooth. Approximate run times are 10 to 20 hours for a refrigerator, 20+ hours for a CPAP machine, 15 to 25 hours for a TV and 30+ hours for a WiFi router and modem.

Capacity: 2048Wh (2.0 kWh)
Battery type: LiFePO4 (LFP), 3000+ cycles to 80%
AC output: 2400W continuous, 4800W surge, 120V (US)
X-Boost: Up to 3400W
AC outlets: 4 x 120V
USB-A: 1 x 18W
USB-C: 1 x 100W, 2 x 30W
Car port: 12V, 12.6V / 10A (126W)
AC charging: 0–80% in about 68 minutes
Solar input: 500W max
Charging methods: AC, solar, generator, car
UPS transfer time: Under 10 ms
Noise level: About 25 dB

Questions and answers

How long can it run a refrigerator?: EcoFlow rates a typical refrigerator at 10 to 20 hours on the internal battery. Real runtime depends on the fridge's draw and duty cycle.
Can I expand the capacity later?: Yes. It accepts additional EcoFlow batteries to reach about 10kWh. Those batteries are sold separately.
How fast does it charge from the wall?: About 68 minutes from 0 to 80% with X-Stream charging. That needs a circuit that can handle the high input wattage.
Does it work as a UPS?: Yes. It switches to battery in under 10ms, so connected devices keep running during an outage.
How much solar can it take?: Up to 500W of solar input. Panels are not included.
What can it power at once?: It delivers 2400W continuous with a 4800W surge, so a fridge plus electronics, or a 1000W microwave for a short run, is realistic.
Where is the EcoFlow DELTA 3 Max cheapest?: At AllProGenerators, for $879.00, as of our latest check.