EcoFlow DELTA 3 Classic
Verified comparison specs
Verified from EcoFlow's user manual and US product page, Sep 25, 2026.
Questions people ask about the EcoFlow DELTA 3 Classic
How much solar input can the EcoFlow DELTA 3 Classic take?
EcoFlow lists a maximum solar input of 500 W for the EcoFlow DELTA 3 Classic.
What plug does the EcoFlow DELTA 3 Classic use for solar panels?
The EcoFlow DELTA 3 Classic has one XT60i solar input. Panels with MC4 plugs connect to it with an MC4 to XT60i adapter cable.
What voltage and current can the EcoFlow DELTA 3 Classic's solar input take?
The EcoFlow DELTA 3 Classic's solar input works from 11 V to 60 V and takes up to 15 A, with up to 500 W of solar in total. Keep the total open-circuit voltage (Voc) of the panels you connect in series under 60 V, remembering that panel voltage rises in cold weather.
Which solar panels work with the EcoFlow DELTA 3 Classic?
These work with an adapter cable: Renogy 250W N-Type Bifacial Solar Panel (MC4 to XT60i adapter cable), Renogy 200 Watt 12 Volt Flexible Monocrystalline Solar Panel (MC4 to XT60i adapter cable), BLUETTI 500W Solar Panel SORA 500 (MC4 to XT60i adapter cable), BLUETTI 350W Solar Panel (MC4 to XT60i adapter cable), EcoFlow 100W Flexible Solar Panel (MC4 to XT60i adapter cable) and EcoFlow 110W Portable Solar Panel (MC4 to XT60i adapter cable). We checked panel voltage on a -10 °C (14 °F) day as well.
Will the Renogy 250W N-Type Bifacial Solar Panel work with the EcoFlow DELTA 3 Classic?
Yes, with an adapter cable. The Renogy 250W N-Type Bifacial Solar Panel works with the EcoFlow DELTA 3 Classic. Each panel is rated for up to 22.35 volts open-circuit (Voc) and 13.49 amps short-circuit (Isc). The station's solar input accepts 11 to 60 volts and up to 15 amps. On a -10 °C day, each panel can reach 25.48 volts, so we used that higher number. Within those limits, you can connect up to 2 of these panels in series, and up to 1 in parallel. What to buy: one MC4 to XT60i adapter cable, rated for at least 13.49 amps. The maker does not publish this panel's temperature coefficient, so for the cold check we assumed its voltage rises 0.4% for every °C colder, the cautious end of typical values for these cells. See the Renogy 250W N-Type Bifacial Solar Panel page.
Will the Renogy 200 Watt 12 Volt Flexible Monocrystalline Solar Panel work with the EcoFlow DELTA 3 Classic?
Yes, with an adapter cable. The Renogy 200 Watt 12 Volt Flexible Monocrystalline Solar Panel works with the EcoFlow DELTA 3 Classic. Each panel is rated for up to 23.9 volts open-circuit (Voc) and 10.74 amps short-circuit (Isc). The station's solar input accepts 11 to 60 volts and up to 15 amps. On a -10 °C day, each panel can reach 26.33 volts, so we used that higher number. Within those limits, you can connect up to 2 of these panels in series, and up to 1 in parallel. What to buy: one MC4 to XT60i adapter cable, rated for at least 10.74 amps. See the Renogy 200 Watt 12 Volt Flexible Monocrystalline Solar Panel page.
Will the BLUETTI 500W Solar Panel SORA 500 work with the EcoFlow DELTA 3 Classic?
Yes, with an adapter cable. The BLUETTI 500W Solar Panel SORA 500 works with the EcoFlow DELTA 3 Classic. Each panel is rated for up to 49.1 volts open-circuit (Voc) and 13.31 amps short-circuit (Isc). The station's solar input accepts 11 to 60 volts and up to 15 amps. On a -10 °C day, each panel can reach 55.97 volts, so we used that higher number. Within those limits, you can connect up to 1 of these panels in series, and up to 1 in parallel. What to buy: one MC4 to XT60i adapter cable, rated for at least 13.31 amps. The maker does not publish this panel's temperature coefficient, so for the cold check we assumed its voltage rises 0.4% for every °C colder, the cautious end of typical values for these cells. See the BLUETTI 500W Solar Panel SORA 500 page.
What can the EcoFlow DELTA 3 Classic run?
The EcoFlow DELTA 3 Classic delivers up to 1,800 W of continuous AC output, so keep the combined draw of everything you plug in under 1,800 W.
How many watt-hours does the EcoFlow DELTA 3 Classic have?
The EcoFlow DELTA 3 Classic stores 1,024 Wh and delivers up to 1,800 W of continuous AC output.
How much surge power does the EcoFlow DELTA 3 Classic have?
EcoFlow lists a surge output of 3,600 W for the EcoFlow DELTA 3 Classic. Its continuous AC output is 1,800 W.
Can the EcoFlow DELTA 3 Classic run a refrigerator?
A typical residential refrigerator draws about 100–400 W while running, with a brief startup spike up to about 1,200–2,000 W when the compressor kicks on. The EcoFlow DELTA 3 Classic delivers up to 1,800 W continuous and 3,600 W surge, comfortably covering that. Check your own refrigerator's nameplate for its exact wattage.
Can the EcoFlow DELTA 3 Classic work as a UPS during a power outage?
Yes. In a power outage the EcoFlow DELTA 3 Classic switches to battery power in 10 ms or less.
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Can the EcoFlow DELTA 3 Classic charge while it powers devices?
Yes. The EcoFlow DELTA 3 Classic supports pass-through charging, so it can charge while it powers devices.
How long does the EcoFlow DELTA 3 Classic take to charge?
The EcoFlow DELTA 3 Classic takes about 1 hour to charge fully from a wall outlet. It reaches 80% in 45 minutes from a wall outlet.
How much does the EcoFlow DELTA 3 Classic weigh?
The EcoFlow DELTA 3 Classic weighs 26.6 lb.
What warranty does the EcoFlow DELTA 3 Classic have?
EcoFlow advertises a 5-year warranty for the EcoFlow DELTA 3 Classic. That is 3 years as standard, plus 2 more when you register it in the EcoFlow app. Check EcoFlow's warranty terms before you buy.
What type of battery does the EcoFlow DELTA 3 Classic use?
The EcoFlow DELTA 3 Classic uses a lithium iron phosphate (LiFePO4, often called LFP) battery.
Can I use the EcoFlow DELTA 3 Classic in cold weather?
The EcoFlow DELTA 3 Classic charges between 0 °C (32 °F) and 45 °C (113 °F). It can power your devices between -10 °C (14 °F) and 45 °C (113 °F). So it can run devices in colder weather than it can charge in: below 0 °C (32 °F), keep it somewhere warmer to recharge.
What is the manufacturer part number of the EcoFlow DELTA 3 Classic?
Our catalog lists the manufacturer part number (MPN) of the EcoFlow DELTA 3 Classic as EFDELTA3C-US-L.
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$499.00 at EcoFlow. At this price since Oct 10; it has been between $449.00 and $499.00 since Oct 3.
| Store | Now | Lowest | Highest | Since |
|---|---|---|---|---|
| EcoFlow | $499 | $449 | $499 | Oct 3 |
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