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EcoFlow DELTA 3 Classic
Portable power station · CPAP fit profile
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Conditional fit
EcoFlow DELTA 3 Classic can cover compatible CPAP use under the right conditions. Its clearest supported advantage is useful stored energy, but the documented limits should shape the decision.
Capacity1,024 Wh
AC output1,800 W
Surge3,600 W
Solar input500 W
Weight26.6 lb
ExpansionBase only
- Evidence
- Manufacturer-controlled
- Model
- DELTA 3 Classic
- Reviewed
- 2026-08-28
Purchase decision
Price & history
Price history & context
Historical context
- Latest historical price
- $559.00
- Historical low
- $349.00
- Historical high
- $599.00
- 30-day average
- $501.82
- 90-day average
- $469.07
- 180-day average
- $457.92
Prices that include shipping may not compare directly with item-only prices.
At a glance
Bottom Line
EcoFlow DELTA 3 Classic can cover compatible CPAP use under the right conditions. Its clearest supported advantage is useful stored energy, but the documented limits should shape the decision.
Strengths
Practical advantages
- Battery chemistryUses LFP battery chemistry.
- Useful stored energyStores 1024 Wh for compatible overnight equipment without promising a fixed runtime.
- Easy to moveAt 26.6 lb, it is easier to move between home and travel.
Tradeoffs
Supported limitations
No notable limits for this use are supported by the available facts.
Evidence gaps
What remains unknown
- 12 V / car DC outputNot documented: 12 V / car DC output.
- UPS/EPS supportNot documented: UPS/EPS support.
Best for
Scenario fit
Key facts
Core specifications
CAPACITY
1024 Wh
Rated capacity
Continuous
1800 W
Continuous
SURGE
3600 W
Peak capability
SOLAR INPUT
500 W
Maximum
WEIGHT
26.6 lb
BATTERY
LFP
Recharge paths
Charging specifications
AC INPUT
1400 W
Maximum
SOLAR INPUT
500 W
Maximum
Power and connections
Output specifications
AC OUTPUT
1800 W
Continuous
SURGE
3600 W
Peak capability per manufacturer
Portability
Size the move
PRODUCT WEIGHT
26.6 lb
Manufacturer-published weight
UPS / EPS
Transfer behavior
No additional facts are available.
Quick comparison
Relevant alternatives
No price rows; unknown facts remain identified.
| Specification | EcoFlow DELTA 3 ClassicCurrent product | EcoFlow DELTA 3 Plus | EcoFlow DELTA 3 | BLUETTI Elite 100 V2 |
|---|---|---|---|---|
| Capacity | 1,024 Wh | 1,024 Wh | 1,024 Wh | 1,024 Wh |
| Continuous output | 1,800 W | 1,800 W | 1,800 W | 1,800 W |
| Peak / surge (manufacturer term) | Up to 3,600 W | Up to 3,600 W | Up to 3,600 W | Up to 3,600 W |
| Solar input | 500 W | 1,000 W | 500 W | 1,000 W |
| Weight | 26.6 lb | 27.6 lb | 27.6 lb | 25 lb |
| Expandability | No | Yes | Yes | Yes |