EcoFlowSpecification analyzed
EcoFlow Delta Pro Ultra
DEP-Ultra-6144
Pick it for whole-home backup specifically.
Flagship whole-home LiFePO4 backup with split-phase, capable up to 90kWh with stacked batteries.
Released 2024All EcoFlow reviews
As an Amazon Associate I earn from qualifying purchases.
80
Strong · /100VerdictRecommended for a narrow use case
Capacity6,144 Wh
Output7200 W
Weight167 lb
Best for
Whole-home backup, expandable up to 90kWh; split-phase 240V
Avoid if
Budget is the main constraint; this is premium whole-home install territory
What It Can Run
- Central AC
- Well pump
- (nearly) whole home essentials for sustained periods
Runtimes assume inverter efficiency, depth of discharge and a duty cycle for compressor appliances. See the runtime calculator for exact estimates.
Performance Breakdown
Usable capacity
100
Inverter output
100
Charge speed
95
Solar input
100
Battery longevity
64
Portability
0
Overall value
70
Warranty
80
Ports & expandability
100
By Use Case
One product ranks differently for each scenario — see where this one fits.
Home Backup
93
Camping
59
RV Travel
85
Solar Use
84
Full Specifications
Battery capacity6,144 Wh
Usable capacity5,300 Wh
ChemistryLiFePO4
Cycle life (80%)4,000 cycles
Inverter output7200 W
Surge output14400 W
Wall recharge1.3 hr
Solar max input4000 W
AC outlets7
USB-C ports4
USB-A ports2
12V carport1
DC outputs1
Weight167 lb
Dimensions30 x 18 x 14
ExpandableYes
UPS functionYes
App controlYes
Warranty5 yr
Release year2024
Pros & Cons
Pros
- Massive 7200W continuous
- Truly whole-home capable
- Stackable expansion
- Strong home-arm demographics
Cons
- Premium price
- Installation complexity
- Heavy
Major weaknesses: Requires professional installation for full integration · Expensive.
Final Recommendation
Recommended for a narrow use case
Pick it for whole-home backup specifically.