EcoFlow DELTA 3
70BatteryRank score
$519as of 2026-07-11
Fair price← CompareCheck price on Amazon 
Check price on Amazon
EcoFlow DELTA 3 vs EcoFlow DELTA 3 Plus
Decision readout
Better station
Too close to call overall — choose by how and where you use it.
Better buy today
No price tie-breaker today — choose based on fit and the sourced details.
EcoFlow DELTA 3 Plus
73BatteryRank score
$599as of 2026-07-11
Good priceWhat changes the decision
- Home backup: EcoFlow DELTA 3 Plus — more usable capacity and AC output
- Camping & RV: EcoFlow DELTA 3 — lighter and easier to carry
01 · Score evidence
Score breakdown
70
EcoFlow DELTA 3
Overall
73
EcoFlow DELTA 3 Plus
62
POWER
EcoFlow DELTA 3 Plus +5
67
Usable capacity and how much you can run at once.
82
TRUST
EcoFlow DELTA 3 +1
81
Owner reputation, safety record, warranty, and build durability.
66
CHARGING
EcoFlow DELTA 3 Plus +11
77
Wall and solar recharge speed.
65
LIVABILITY
EcoFlow DELTA 3 +3
62
Lightweight, portable, and quiet enough to live with.
Computed from sourced data with a published, price-independent formula. Scores are relative to each model's size class.
02 · Usable energy
Capacity truth
The watt-hours on the box aren't what reaches your devices. Same scale, both units.
EcoFlow DELTA 3
Rated (on the box)1,024 Wh
The marketing number — total cell capacity.
Usable (at the outlet)measured870 Wh
~870Wh effective at ~85% (Backup Power Hub, calculated) vs 1024 rated · 15% below the label
EcoFlow DELTA 3 Plus
Rated (on the box)1,024 Wh
The marketing number — total cell capacity.
Usable (at the outlet)measured870 Wh
~870Wh effective at ~85% (est., same cells as DELTA 3) vs 1024 rated · 15% below the label
03 · Sourced hardware
Key specs, side by side
| Spec | EcoFlow DELTA 3 | EcoFlow DELTA 3 Plus |
|---|---|---|
| Usable capacity | 1,024 Wh | 1,024 Wh |
| Continuous power output | 1,800 W | 1,800 W |
| Surge power output | 3,600 W | 3,600 W |
| Max solar input | 500 W | 1,000 W |
| AC charge time (0–100%) | 56 min | 56 min |
| Weight | 12.5 kg | 12.5 kg |
| Rated cycle life | 4,000 cycles | 4,000 cycles |
Manufacturer-claimed unless marked verified (FCC/UL/DOE/lab). Hover any figure for its source. The better reading in each row is highlighted — lower wins for weight and recharge time.
04 · Tracked street price
Price & fair-price verdict
EcoFlow DELTA 3
$519as of 2026-07-11Fair price
EcoFlow DELTA 3 Plus
$599as of 2026-07-11Good price
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
- EcoFlow DELTA 3 #5 of 10 in Best for Camping · #5 of 10 in Best for CPAP
- EcoFlow DELTA 3 Plus #1 Midsize (1 kWh class) in Best Portable Power Stations · #1 of 10 in Best for Camping