EF EcoFlow DELTA 3 Ultra Portable Power Station, 3072Wh LiFePO4 Battery, 3600W (Surge 7200W) Output Home Power, Solar Generator for Home Use, Camping Accessories, Emergencies & RV Backup
EF EcoFlow DELTA 3 Ultra Portable Power Station, 3072Wh LiFePO4 Battery, 3600W (Surge 7200W) Output Home Power, Solar Generator for Home Use, Camping Accessories, Emergencies & RV Backup
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EF EcoFlow DELTA 3 Ultra Portable Power Station, 3072Wh LiFePO4 Battery, 3600W (Surge 7200W) Output Home Power, Solar Generator for Home Use, Camping Accessories, Emergencies & RV Backup

|75 ratings
EF EcoFlow DELTA 3 Ultra Portable Power Station, 3072Wh LiFePO4 Battery, 3600W (Surge 7200W) Output Home Power, Solar Generator for Home Use, Camping Accessories, Emergencies & RV BackupEF EcoFlow DELTA 3 Ultra Portable Power Station 3072Wh LiFePO4 Battery 3600W Surge 7200W Output Home Power Solar Generator Home Use Camping AccessoriEF EcoFlow DELTA 3 Ultra Portable Power Station 400W Solar Panel 3072Wh LiFePO4 Battery 3600W Surge 7200W Output Solar Generator Home Use Camping AccEF EcoFlow DELTA 3 Ultra Portable Power Station 2X220W Solar Panels 3072Wh LiFePO4 Battery 3600W Surge 7200W Output Solar Generator Home Use CampingEF EcoFlow DELTA 3 Ultra Portable Power Station 2X400W Solar Panels 3072Wh LiFePO4 Battery 3600W Surge 7200W Output Solar Generator Home Use Camping
Battery Capacity128000 mAh

Key item features

  • Powerful Output: Provides a continuous output of 3600W (7200W surge) and supports devices up to 4600W with X-Boost 3.0, suitable for various essential appliances.
  • Seamless Backup: Features a less than 10ms Uninterruptible Power Supply (UPS) for automatic, uninterrupted power transfer to sensitive electronics during outages.
  • Quiet Operation: Operates at a low noise level of 25dB under load, making it ideal for overnight use and quiet environments.
  • Versatile Charging: Offers four charging methods: wall outlet, solar panels, car input, and EcoFlow Smart Generator, with fast recharging via X-Stream technology.
  • Durable Battery: Equipped with a long-lasting LiFePO4 battery, designed for 10 years of daily use with an EV-grade CTC structure and 24/7 protection system.
  • Stable Power: Delivers a pure sine wave output with grid-level stability, precisely sampled every 33 seconds by a DSP chip for sensitive electronics.
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Specs

Battery capacity, 128000 mAhSurge wattage, 7200 WattsWeight, 72.1 lbRec. use, Residential, CommercialBrand, EF EcoFlowProduct line, DELTA

About this item

Product details

EcoFlow DELTA 3 Ultra delivers 3600W rated-output, with X-Boost 3.0 technology, it supports devices up to 4600W—effortlessly handling heavy-duty appliances. The inverter samples AC voltage and current every 33μs with high precision with a DSP chip, ensuring a pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.

  • Built to Handle It All. With 3600W continuous output (7200W surge) powered by X-Quiet 3.0 technology, DELTA 3 Ultra is ready for nearly all your essential appliances. From refrigerators and microwaves to heaters and power tools, this portable power station delivers reliable performance at home, in your RV, or off-grid.
  • <10ms UPS for Uninterrupted Backup. Never lose power when it matters most. DELTA 3 Ultra automatically switches to battery mode in under 10 milliseconds, keeping sensitive devices like PCs, Wi-Fi routers, and medical equipment running without interruption. No manual setup required—just instant peace of mind.
  • Silent as a Whisper. Enjoy quiet, dependable backup power at just 25dB under load. Thanks to advanced cooling design, DELTA 3 Ultra is whisper-quiet, making it ideal for overnight use, small apartments, and RVs where silence and comfort are key.
  • 4 Ways to Charge Up. Stay flexible with four fast charging options: wall outlet, solar panels, car input, or EcoFlow Smart Generator. With EcoFlow’s X-Stream technology, DELTA 3 Ultra recharges quickly so you’re always prepared for power outages, road trips, or outdoor adventures.
  • Built to Last. Equipped with a durable LiFePO4 battery, DELTA 3 Ultra is built for 10 years of daily use. Its EV-grade CTC structure and 24/7 battery protection system ensure reliable performance in extreme heat, cold, or heavy loads—true resilience you can count on.
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Specifications

Battery capacity

128000 mAh

Surge wattage

7200 Watts

Weight

72.1 lb

Rec. use

Residential, Commercial

Warranty

Warranty information

3+2 years（Register EcoFlow APP for extra 2-year warranty）

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Customer ratings & reviews

4.4 out of 5 stars
stars
75 ratings8 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars77% (58)
  2. 4 stars9% (7)
  3. 3 stars3% (2)
  4. 2 stars0% (0)
  5. 1 star11% (8)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 8 reviews

Jul 2, 2026
Reviewer name: alyssa
Item details
Battery capacity: 128002 mAh
Sold and shipped byEcoFlow Technology Inc.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I love it.

I mean, it's not gonna power your whole house, but it's super handy in case of an emergency. It's going in my RV..

Helpful?183IIHN9NXEH18215901773
Oct 31, 2026
Reviewer name: becca
Item details
Battery capacity: 128002 mAh
Sold and shipped byEcoFlow Technology Inc.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Love EcoFlow products. This one is heavy but has wheels so I can still move it about when needed. Fast direct charging. With winter on it's way it makes the house feel safter/

Helpful?183IIHN9NXEH18215901773
Oct 12, 2026
Reviewer name: Vanessa
Item details
Battery capacity: 128000 mAh
Sold and shipped byEcoFlow Technology Inc.
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Dependable device ! Lots of power !

Helpful?183IIHN9NXEH18215901773
Current price is Now $1,299.00
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was $1,499.00
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Sold and shipped by EcoFlow Technology Inc.
4.404166666666667 out of 5 stars
4.4 stars out of 5, based on 961 seller reviews(4.4)
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Free Holiday returns until Jan 31