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EcoFlow DELTA 3 Ultra Plus
Portable power station · Home Backup fit profile
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Good fit
EcoFlow DELTA 3 Ultra Plus is well suited to home backup. Its clearest buyer advantage is useful stored energy.
Capacity3,072 Wh
AC output3,600 W
Surge7,200 W
Solar input1,600 W
Weight74.3 lb
ExpansionExpandable
- Evidence
- Manufacturer-controlled
- Model
- DELTA 3 Ultra Plus
- Reviewed
- 2026-09-22
Purchase decision
Price & history
Price history & context
Historical context
Historical pricing is not currently available for this product.
At a glance
Bottom Line
EcoFlow DELTA 3 Ultra Plus is well suited to home backup. Its clearest buyer advantage is useful stored energy.
Strengths
Practical advantages
- Battery chemistryUses LFP battery chemistry.
- Motor-start headroomAllows brief peaks up to 7200 W for compatible starting loads.
- Short-outage continuitySupports UPS/EPS operation for compatible connected equipment.
Tradeoffs
Supported limitations
No notable limits for this use are supported by the available facts.
Evidence gaps
What remains unknown
- expanded capacityNot documented: expanded capacity.
Best for
Scenario fit
Key facts
Core specifications
CAPACITY
3072 Wh
Rated capacity
Continuous
3600 W
Continuous
SURGE
7200 W
Peak capability
SOLAR INPUT
1600 W
Maximum
WEIGHT
74.3 lb
BATTERY
LFP
Recharge paths
Charging specifications
AC INPUT
1800 W
Maximum
SOLAR INPUT
1600 W
Maximum
Power and connections
Output specifications
AC OUTPUT
3600 W
Continuous
SURGE
7200 W
Peak capability per manufacturer
AC INPUT
1 port
AC Input
Group maximum: 1800 W
AC OUTLETS
4 ports
AC Output 20A
Group maximum: 3600 W
AC OUTLETS
1 port
NEMA TT-30R AC Output
Group maximum: 3600 W
DC OUTPUTS
1 port
Anderson DC Output
Group maximum: 378 W
DC OUTPUTS
1 port
Car/Cigarette Output
Group maximum: 126 W
DC OUTPUTS
2 ports
Solar/PV Input
Group maximum: 1600 W
EXPANSION
1 port
Extra Battery Port
USB-A
1 port
USB-A
Group maximum: 18 W
USB-C
1 port
USB-C 140W
Group maximum: 140 W
USB-C
2 ports
USB-C 45W
Group maximum: 45 W
Portability
Size the move
PRODUCT WEIGHT
74.3 lb
Manufacturer-published weight
UPS / EPS
Transfer behavior
UPS / EPS
Supported
10 ms
For compatible connected equipment
Quick comparison
Relevant alternatives
No price rows; unknown facts remain identified.
| Specification | EcoFlow DELTA 3 Ultra PlusCurrent product | EcoFlow DELTA 3 Ultra | Anker SOLIX F3800 | EcoFlow DELTA Pro 3 |
|---|---|---|---|---|
| Capacity | 3,072 Wh | 3,072 Wh | 3,840 Wh | 4,096 Wh |
| Continuous output | 3,600 W | 3,600 W | 6,000 W | 4,000 W |
| Peak / surge (manufacturer term) | Up to 7,200 W | Up to 7,200 W | Up to 9,000 W | Up to 8,000 W |
| Solar input | 1,600 W | 800 W | 2,400 W | 2,600 W |
| Weight | 74.3 lb | 72.1 lb | 132.3 lb | 113.5 lb |
| Expandability | Yes | Yes | Yes | Yes |
| UPS / EPS | Supported | Supported | Supported | Supported |