EcoFlow DELTA 2 Portable Power Station
$799
Key Specs
| capacity | 1024Wh |
| ac-output | 1800W continuous, 2700W surge |
| battery-chemistry | LiFePO4 |
| weight | 27 lbs |
| inputs | AC/Solar/Car/Smart Generator |
| warranty | 5 years |
Pros
- ✓ EcoFlow X-Stream charges from 0 to 80% in 50 minutes
- ✓ Expandable up to 2048Wh with add-on battery
- ✓ 11 output ports including dual 100W USB-C PD
- ✓ LFP cells with 3,000+ cycle lifespan
Cons
- ✗ Expansion battery sold separately adds to total cost
- ✗ 1,800W AC limit may restrict some workshop tools
Detailed Review
Overview
EcoFlow’s DELTA 2 strikes an exceptional balance of speed, capacity, and versatility that few competitors can match at its price point. Powered by LiFePO4 chemistry, the DELTA 2 is built for longevity — rated for 3,000 cycles to 80% capacity, which translates to roughly 10 years of daily use. The 1,024Wh base capacity handles most camping and emergency scenarios, while an optional DELTA 2 Extra Battery doubles that to 2,048Wh for extended outages or off-grid living.
Eleven output ports — including dual 1,800W AC outlets, dual 100W USB-C PD, a 30W USB-C, and a 12V car port — mean you’re rarely reaching for adapters.
Capacity and Runtime
At 1,024Wh, the DELTA 2 covers substantial daily energy needs. A 45W portable refrigerator runs for roughly 18 hours. A 65W laptop charges approximately 13 times. Run a portable electric space heater (1,500W) for about 40 minutes, or a CPAP for 14–20 nights. For overlanding or camping without hookups, the base capacity is usually enough for 1–2 day trips. Pair it with the expansion battery for 3–5 day off-grid comfort.
The DELTA 2 also supports pass-through charging with minimal efficiency loss, making it practical as a continuous power source while simultaneously recharging.
Charging Speed
EcoFlow’s X-Stream technology pushes AC charging to 1,200W by default, reaching 80% in about 50 minutes and full charge in 80 minutes — exceptional for a 1kWh-class station. Solar input accepts up to 500W, enabling a full charge from quality panels in 2–4 hours. Dual charging (AC + solar simultaneously) is also supported for maximum refill rates.
Who It’s For
The DELTA 2 is the right choice for users who prioritize charging speed alongside capacity. It excels as a home backup unit for power outages, a van life staple, and a go-to station for extended camping. The LFP chemistry and expandability make it a long-term investment rather than a disposable purchase.
