Ecoflow Delta EF3 Pro Portable Solar Power Stations

EcoFlow EF3 Pro: Standalone Station or Complete Solar Kit

EF3 Pro is the short name for the EcoFlow DELTA Pro 3, the current EcoFlow Delta Pro portable power station. It delivers 4,000W of continuous AC with an 8,000W surge, stores 4,096Wh in a LiFePO4 pack, and switches between 120V and 240V so it can back up a dryer circuit or a well pump as easily as a fridge. Capacity expands from 4kWh to 48kWh with extra batteries, which is why people buy it for both RV trips and home backup.

This collection is small on purpose: three products, all EcoFlow. You get the bare station at from $2,499, a kit with 200W portable folding panels at from $3,599, and a kit with 200W rigid roof-mount panels at from $3,779. The decision is less about which model and more about how you plan to charge it.

How to choose between the three EF3 Pro options

• Charging plan. If you will mostly recharge from the wall and use solar as a backup, the EcoFlow Delta Pro 3 Portable Solar Power Station on its own is enough. It accepts up to 2,600W of solar input, so you can bolt on panels of your own later.
• Portable vs rigid panels. The DELTA Pro 3 + 12V Portable Solar Panels kit folds up and rides in a van or truck bed; set it up facing the sun and pack it away at night. The DELTA Pro 3 + 12V Rigid Solar Panels kit is for a fixed install on a cabin roof, shed or ground rack where the panels never move.
• Load size. 4,000W continuous runs a microwave, a space heater and a fridge at the same time. X-Boost stretches to 6,000W for a single heavy resistive load, though the pack drains faster.
• Weight. At around 115 lbs this is a two-person lift into a truck. Plan where it lives before it arrives.

Popular picks in this collection

All three are currently sold out. Restocks happen regularly, so call for the next expected date before you settle for a smaller unit.

Setup and usage tips

• Use the Solar Kit Calculator to check whether 4,096Wh covers your overnight loads. Enter appliances and ZIP code and it returns battery, inverter and panel targets you can compare against the kit.
• Keep the ports in mind: 7 AC outlets, 100W USB-C, a 12V/30A DC port and an Anderson connector. For a camper, the Anderson port is the clean way to feed a 12V distribution panel.
• If you want more than the kit's 200W panels, the station takes third-party panels in the 11-150V range. Check open-circuit voltage before connecting a larger array.
• Charging from the wall reaches 80% in under an hour, so top up before a storm rather than relying on the panels the day of.
• Pair it with an EcoFlow Smart Home Panel 2 if you want automatic switchover for hardwired circuits rather than extension cords.

Frequently asked questions

Is the EF3 Pro the same thing as the DELTA Pro 3? Yes. EF3 is shorthand for the third-generation DELTA Pro. When you see ecoflow delta ef3 pro in a listing it refers to this 4,000W, 4,096Wh unit.

How is it different from the ecoflow delta pro 3600wh portable power station? That search usually refers to the earlier DELTA Pro generation. This collection carries the DELTA Pro 3, which stores 4,096Wh, outputs 4,000W and expands to 48kWh, so it is the current platform to buy into if you want room to grow.

Can it run 240V appliances? Yes. The station offers dual 120V/240V output (240V through EcoFlow's split-phase accessories), so a dryer, well pump or small mini-split is within reach as long as the running draw stays under 4,000W.

Every order ships free to the mainland US from brand partner warehouses, usually within a few business days, with 30-day returns. Call if you want a second opinion on portable versus rigid panels for your site.