Backup Rank

EcoFlow

DELTA 3 Ultra Plus

EcoFlow DELTA 3 Ultra Plus, photo 1 of 1
photo source, checked

The EcoFlow DELTA 3 Ultra Plus is a 3,072 Wh LiFePO4 station with 3,600 W output, expansion to 11,000 Wh and 1,600 W solar input for $1,599.

Battery capacity
3,072 Wh
AC output
3,600 W
Max with extra batteries
11,000 Wh
AC voltage
120V only

Maker page at EcoFlow

Our verdict

Its price is $0.521 per Wh. The EcoFlow DELTA 3 Ultra is $1,299 at $0.423 per Wh. The Pecron F3000LFP is $899 at $0.293 per Wh. It adds expansion to 11,000 Wh and 1,600 W of solar input over the Ultra, for $300 more. Wall charging is not stated.

It ranks #6 of 17 home backup, #3 of 15 under $2,000, #7 of 18 expandable, #16 of 50 solar, #27 of 53 lightweight, #9 of 39 UPS. The price is a sale. Warranty is 3 years, with 2 more on app registration. Any transfer switch is installed by a licensed electrician.

Buy it if you want to start at 3 kWh and grow. Skip it if you will not expand, since the Ultra costs $300 less.

Where it ranks

How it scored in each list. A longer bar is better for you.

Specifications

Each value links to the page it came from.

Battery capacity3,072 Whsource, checked
AC output3,600 Wsource, checked
Surge output7,200 Wsource, checked
Max with extra batteries11,000 Whsource, checked
Battery typeLiFePO4source, checked
Cycle lifeNot listed
AC voltage120V onlysource, checked
Max solar input1,600 Wsource, checked
Wall chargingNot listed
UPS switchover10 mssource, checked
AC outletsNot listed
Home panel or transfer switchYessource, checked
Weight74.3 lbsource, checked
Warranty3 yearssource, checked

Prices

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EcoFlow US$1,599

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