EcoFlow DELTA 3 Classic Portable Power Station
SVT Score, Mid
1,024 Wh station with a 60-minute wall charge, no published cycle rating and no expansion port.
$499
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Usability
6.2 out of 10It stores 1,024 Wh, the typical size for a compact station, so it scores 5 on capacity.
Better on capacityJackery Explorer 1000 PlusStores 1,264 Wh. $619Scores 7.0Its inverter is rated 1,800 W continuous and 3,600 W surge, so it scores 8 on power output.
A full wall charge takes 60 minutes and solar input tops out at 500 W, so it scores 8 on recharging.
EcoFlow publishes no cycle rating for it, only a design life of about 10 years, so it scores 4 on battery life.
Better on battery lifeEcoFlow DELTA 3 PlusEcoFlow rates the cells for 4,000 cycles to 80 percent capacity. $669Scores 8.0It switches to battery within 10 ms but takes no expansion battery or transfer switch, so it scores 5 on backup readiness.
Better on backup readinessEcoFlow DELTA 3 PlusSwitches to battery in under 10 ms. $669Scores 7.0SGS lists it to UL 2743 by model, so it scores 6 on verification.
EcoFlow's policy gives it 3 years plus 2 on registration in the app, so it scores 8 on warranty and support.
Its warranty runs 5 years on most stations, or 3 years plus 2 on registration, with returns within 30 days.
$499 at us.ecoflow.com.
An hour to full, with no cycle rating published
The DELTA 3 Classic is the cheapest of EcoFlow's three 1 kWh DELTA 3 models, a 26.7 lb LiFePO4 box with no 12 V car socket.
It suits a buyer who wants fast-charging 1 kWh backup for a router or fridge and does not need to add batteries later.
What we like
- Full wall charge in 60 minutes
- 1,800 W continuous output
- 10 ms UPS switchover
- UL 2743 listing by model in SGS's directory
- Cheapest of EcoFlow's 1 kWh DELTA 3 models
What holds it back
- No published cycle rating
- No expansion battery
- No 12 V car socket
- Solar input capped at 500 W
- Last 2 warranty years need app registration
What you’re getting
- Capacity1,000-1,499 Wh
- AC Output1,500-1,999 W
- Output Voltage120 V only
- Battery ChemistryLiFePO4
- Safety ListingUL 2743 listed
- Solar Input300-599 W
- Backup Switchover10 ms or less
- Warranty5 Years
- Expandable ToNot expandable
- Weight26.7 lb
Not published by EcoFlow: rated cycles.
At a glance
- 100 W USB-C port
- 1,400 W wall charging
- App control
EcoFlow Technology, Inc. is EcoFlow's US company and is owned by Shenzhen EcoFlow Innovation Technology, a private firm founded in 2017.
It sells direct from us.ecoflow.com and through Amazon US, Costco, Home Depot, Lowe's and marketplace stores at Best Buy and Walmart.
The EcoFlow DELTA 3 Classic is a 1,024 Wh LiFePO4 station rated 1,800 W continuous and 3,600 W surge at 120 V, with 100 W and 30 W USB-C ports and no 12 V car socket. It charges from the wall in 60 minutes at up to 1,400 W and takes up to 500 W of solar through one input. EcoFlow states a 10 ms UPS switchover and a design life of about 10 years but publishes no cycle rating. It weighs 26.7 lb and takes no expansion battery.
