EcoFlow Delta 2 Review: The Fast-Charging Backup That Grows With You
Who it's for
Choose the Delta 2 if you want to run heavier loads than a basic unit allows, if you hate waiting on recharges, or if you think you'll eventually want true whole-home backup and want a system you can grow into. If you mostly need quiet, portable essentials backup and want the lightest unit, the Jackery Explorer 1000 v2 is the more comfortable everyday carry.
Specs at a glance
| Battery capacity | 1024 Wh (LiFePO4), expandable to 3040 Wh |
| AC inverter | 1800 W continuous (2700 W surge, X-Boost to 2200 W) |
| AC recharge | 0–80% in ~50 min; full in ~80 min |
| Solar input | Up to 500 W |
| Cycle life | ~3000 cycles to 80% |
| Weight | 27 lb (12.2 kg) |
| Outlets | 6× AC, 4× USB-A, 2× USB-C (100W), car port |
Real-world runtime
| Load | Approx. runtime (1024 Wh) |
|---|---|
| Full-size refrigerator | ~10–16 hours |
| Space heater (1500W) | ~40 minutes (heavy draw) |
| Wi-Fi + laptop workday | ~2 days |
| Circular saw (bursts) | Handles startup surge most units can't |
What stood out
Recharge speed you have to see
0–80% in under an hour is a different category of convenience. When a storm's coming, you plug in and you're ready fast; when the grid flickers back mid-outage, you top up before the next dropout.
The 1800W inverter earns its keep
Six AC outlets and 1800W of continuous power mean this runs things smaller units simply refuse — full fridges, a microwave, corded tools. The surge handling starts motors that stall a 1000W inverter.
Expandable = future-proof
Add a DELTA 2 Extra Battery and you're at 2kWh; add two and you're near 3kWh. Few units at this price let you start small and grow into genuine home backup.
Pros
- Class-leading ~50-minute recharge
- 1800W inverter runs fridges, tools, microwaves
- Expandable to ~3kWh
- Six AC outlets
Cons
- Heavier than the Jackery (27 lb)
- Fans get loud under heavy load
- Expansion batteries add up in cost
How it compares
The Jackery 1000 v2 is lighter and quieter for the same everyday jobs; the Delta 2 wins on inverter muscle, recharge speed, and expandability. Against the Bluetti AC180, the EcoFlow charges faster and expands, while the Bluetti edges it on price. See all three side by side on our best solar generators for home backup guide.
Bottom line
If you want to run heavier loads, recharge in a hurry, and keep the door open to whole-home backup, the Delta 2 is the smart buy.
Check today's price on Amazon →FAQ
Can the Delta 2 power my whole house?
Not on its own, but with expansion batteries and a transfer switch it can back up an essentials circuit. Base unit is best for fridge, electronics, and select outlets.
How long does it take to recharge on solar?
With 500W of panels in good sun, roughly 3–4 hours to full.