A power station that can keep your fridge running during an outage yet isn’t a chore to lift into the car — that’s the promise of the EcoFlow DELTA 3 Max Plus. Early reports from Popular Science zero in on this mid-sized model as the most versatile option in EcoFlow’s updated Delta 3 line, one that moves easily between a campsite and a backup corner of your home. The Max Plus doesn’t chase the highest wattage numbers; instead, it trims the heft and footprint of its larger sibling while keeping enough capacity to handle the kind of short disruptions and weekend getaways that many people actually face.
CNET recently spotlighted a deal on the earlier Delta 3 Max, but the Max Plus is already shipping. For current pricing and availability, check the product page directly — no discounts are assumed for this newer model.
Early Verdict: Who Should Buy the DELTA 3 Max Plus?
The Max Plus feels built for campers, tailgaters, and anyone who wants backup power for a short outage without dedicating a permanent storage corner to a 74-pound unit. Popular Science’s first impressions suggest it “will probably suit the widest range of users” because it’s noticeably smaller and more portable than the Ultra Plus. If you need a power station you can grab and go, this one lands in the sweet spot.
Introducing the EcoFlow DELTA 3 Max Plus
At its core, the Max Plus carries a 2,048Wh capacity paired to a 3,000W running output and a 6,000W surge rating — enough to start a refrigerator compressor or run a small electric kettle. It’s also 13% lighter than the model it replaces, and the casing sheds a few inches on every side, coming in at 19.4 x 9.5 x 12 inches. Fast charging unfolds from flat to full in 75 minutes when plugged into a wall outlet. It’s available now on the Shopify store, ready to ship.
Key Specs and Early Performance Impressions
The Max Plus arrives with a clean set of specs that don’t try to do everything for everyone, but rather cover the practical middle ground. Here are the core numbers:
- Capacity: 2,048Wh
- AC output (continuous/surge): 3,000W / 6,000W
- Ports: 8 total, including dual AC on/off circuits
- UPS function: operates at roughly 25 decibels — about the noise level of a whisper
- Fast charging: 0–100% in 75 minutes via AC
Popular Science didn’t run the Max Plus through a full suite of appliance tests, but they did put the larger Ultra Plus through its paces with high-draw devices like an electric kettle and a vacuum cleaner. Because both units share the same 3,000W–3,600W output class, the Max Plus’s handling of everyday kitchen or workshop loads should feel similar — smooth and without surprising dropouts. Still, performance isn’t identical, and anyone planning to run the Max Plus near its 3,000W limit for extended stretches should monitor behavior through the LCD screen or app.
The built‑in UPS (uninterruptible power supply) is a detail that rewards quiet listening. PopSci measured a roughly 10-millisecond switchover on the Ultra Plus when the grid goes down; the Max Plus’s UPS is designed for the same instant backup role and hums along at about 25 decibels. That’s quiet enough that you won’t hear it over a box fan, making it a viable option for keeping a CPAP machine or a router alive through a nighttime outage.
Fast charging remains a headline feature. A dead battery reaches 100% in 75 minutes on AC, and solar panels can stretch that further when you’re off the grid.
Design, Portability, and Everyday Use
The Max Plus sheds weight and bulk compared to the Ultra Plus, though its exact weight isn’t published — the difference is tangible enough that Popular Science called out the Ultra Plus at 74 pounds and emphasized the Max Plus as the more carry‑friendly choice. Removable castors make rolling the unit across a driveway or tent pad effortless, and the 19.4‑inch width slips between a cooler and a folded chair in the trunk without re‑packing everything.
One design note worth flagging: small port covers and access doors on power stations like these can be brittle. PopSci pointed out that on similar units those little flaps can snap off if yanked at an odd angle. The Max Plus hasn’t drawn specific complaints, but it’s a reminder to treat the covers gently.
The companion app turns your phone into a remote control panel — you can switch AC sockets on and off, check the charge percentage, and receive alerts. App glitches are a known irritant across nearly all power station manufacturers, and the EcoFlow app is no exception; Popular Science called it “pretty glitchy.” Still, the core functions work often enough for casual monitoring, and you can always fall back on the physical LCD screen.
What It’s Like to Use Day-to-Day
Setup amounts to plugging the station into a wall outlet and waiting. The central LCD gives an at‑a‑glance read on remaining charge and output draw. If you’re powering separate circuits — say, a fridge on one AC bank and a lamp on the other — the dual AC switches let you toggle loads independently.
When the grid drops, the UPS silently hands off power before your modem has time to reboot. A 2,048Wh capacity can run a standard fridge for the better part of a day, or keep a CPAP machine fed through the night with room to spare. Camping weekends, tailgates, and ad‑hoc roadside stops all fall inside the Max Plus’s groove without forcing you to baby the battery.
DELTA 3 Max Plus vs. DELTA 3 Ultra Plus: Which One’s Right for You?
Choosing between the Max Plus and the Ultra Plus really comes down to whether you’ll be carrying the unit or leaving it in place. The Ultra Plus packs a 3,072Wh battery and delivers 3,600W of continuous power — enough to run an RV air conditioner or a set of power tools — but it weighs 74 pounds and measures 24.1 x 12.9 x 15.5 inches. The Max Plus trades a third of that capacity and some wattage for a frame that’s 5 inches shorter, 3 inches narrower, and far easier to lift.
Popular Science’s early take lines up: the Max Plus “will probably suit the widest range of users” precisely because it’s more portable. If your outages stretch beyond a day, or you need to fire up demanding equipment off‑grid, the Ultra Plus makes sense. For everyone else, the Max Plus keeps weight and space in check without giving up the essentials.
| Feature | DELTA 3 Max Plus | DELTA 3 Ultra Plus |
|---|---|---|
| Capacity | 2,048Wh | 3,072Wh |
| Running/Surge Output | 3,000W / 6,000W | 3,600W / 7,200W |
| Dimensions (LxWxH) | 19.4 x 9.5 x 12 in | 24.1 x 12.9 x 15.5 in |
| Weight | Lighter (13% less than previous gen) | 74 lbs |
| UPS Noise | Roughly 25 dB | Not specified |
| Best For | Camping, short outages, easy transport | Extended home backup, RV, worksite power |
If you can picture yourself loading the station into a car without a second set of hands, the Max Plus is the smarter bet. The Ultra Plus earns its keep when wattage demands climb and the station will live in one place, rolling on its castors only occasionally. Both reflect a thoughtful update to the Delta line — the question is simply how much you’re willing to carry.