EcoFlow Delta 3 Max
(6 reviews)
2048 Wh and 2400 W in a transportable, quiet body: the EcoFlow Delta 3 Max secures a home or a motorhome and expands to 10 kWh.
- Capacity: 2048 Wh (LiFePO4)
- Output: 2400 W (4800 W surge, 3200 W X-Boost)
- Recharge: 0 to 80% in 51 min (mains)
- Expandable: From 2 to 10 kWh, UPS < 10 ms
- 2048 Wh, 2400 W and 10 kWh expansion at a contained price
Detailed overview: EcoFlow Delta 3 Max 2048Wh power station
The EcoFlow Delta 3 Max is a 2048 Wh portable power station designed for big needs: home backup, motorhome, worksite or events. It delivers 2400 W continuous output, with peaks up to 4800 W (and up to 3200 W in X-Boost mode on resistive appliances), enough to power most of a home's devices. It takes the essentials of the Delta 3 Max Plus in a slightly less powerful but noticeably more affordable version.
It debuts the Delta 3 series' new-generation LiFePO4 cells, paired with a smart BMS, for better efficiency and increased lifespan (4000 cycles, i.e. many years of use). During an outage, its automatic UPS switchover in under 10 ms takes over so fast that sensitive devices (computers, routers, light medical equipment) do not shut down.
For recharging, it offers several fast methods (mains, dual-MPPT solar up to 1000 W, alternator charger, generator) and goes from 0 to 80% in just 51 minutes from the mains. Its capacity expands from 2 to 10 kWh by adding compatible Delta 3 batteries, and a smart energy management system optimises consumption. It offers 4 AC outlets, 3 USB-C ports, 2 USB-A ports and a 12 V output, and is controlled from the EcoFlow app (Wi-Fi and Bluetooth).
Powerful, scalable and with a near-instant backup switchover, the Delta 3 Max is for anyone who wants to secure their home against outages or have a large mobile energy reserve, with the reliability of LiFePO4 chemistry, without paying the Max Plus premium. At 20.3 kg, it remains transportable from point to point.
Full specifications
Detailed characteristics (EAN: 4895251658287)
Battery and capacity
| Rated capacity?Total stored energy in watt-hours. The higher the figure, the longer the runtime. | 2048 Wh |
|---|---|
| Max capacity (with extensions)?Total capacity reachable by adding extra batteries. | 10240 Wh |
| Expandable capacity?Whether capacity can be increased with add-on batteries. | Yes |
| Removable battery?The main battery can be removed or replaced by the user. | No |
| Battery chemistry?LiFePO4 (LFP) lasts far longer and is safer than NMC. | LFP (LiFePO4) |
| Charge cycles?Number of full charges before capacity drops to the stated threshold. | 4000 cycles (80 %) |
AC output
| Continuous AC power?Power the unit can sustain continuously on its 230 V outlets. | 2400 W |
|---|---|
| Surge power?Brief peak tolerated when starting motor or compressor devices. | 4800 W |
| Boost-mode power?Extended power via a proprietary mode (X-Boost, AmpUp…) by lowering voltage. | 3200 W |
| Inverter type?A pure sine wave is essential for sensitive electronics and motors. | Pure sine wave |
| AC voltage / frequency?Voltage and frequency of the AC output (230 V / 50 Hz in Europe). | 230 V / 50 Hz |
| Number of 230 V AC outlets?Number of mains outlets available on the unit. | 4 |
| RV / TT-30 outlet?Dedicated 30 A outlet for North-American style RVs. | No |
Recharging
| AC charge 0-80%?Stated time to go from 0 to 80% on mains power. | 51 min |
|---|---|
| Max solar input?Maximum solar power accepted at the input (PV panels). | 1000 W |
| MPPT controllers?Number of independent MPPT solar inputs (yield optimisation). | 2 |
| Vehicle charging (12/24 V)?Can be charged from a vehicle's cigarette-lighter socket. | Yes |
| Pass-through charging?The unit can power devices while charging (pass-through). | Yes |
Ports and connectors
| USB-C ports?Number of USB-C ports and the fastest port's power (laptops, phones). | 3 × 100 W |
|---|---|
| USB-A ports?Number of USB-A ports and maximum power (small devices). | 2 × 12 W |
| 12 V output (car socket)?12 V cigarette-lighter output and its power (coolers, pumps…). | Yes (126 W) |
Portability
| Weight?Net weight of the unit, battery included. | 20.3 kg |
|---|---|
| Dimensions (L × W × H)?Overall size of the unit in millimetres. | 494 × 239 × 305 mm |
| Form factor?Portable (hand-carried), transportable (heavy), or wheeled. | Transportable |
| Wheels?Built-in wheels for moving the unit. | No |
| Telescopic handle?Retractable handle like a wheeled suitcase. | No |
Safety and environment
| Certifications?Standards and approvals obtained (CE, RoHS, UN38.3, UL…). | CE, RoHS, UN38.3 |
|---|---|
| Discharge temperature?Temperature range in which the unit can deliver power. | -10 to 45 °C |
| Charge temperature?Temperature range in which the unit can be recharged. | 0 to 45 °C |
Backup / UPS
| UPS / EPS mode?Automatic switch to battery on a mains outage (backup). | Yes |
|---|---|
| Switchover time (rated)?Delay before switching to battery; under 20 ms suits a PC or router. | 10 ms |
Noise and thermal
| Noise level (rated)?Manufacturer-stated noise; a quiet room is around 30 dB. | 30 dB(A) |
|---|---|
| Quiet mode?Setting that limits fan noise, often by capping charge power. | No |
| Self-heating battery?Battery pre-heating to allow charging in cold weather. | No |
Display and connectivity
| Display?Type of screen showing power, runtime and alerts. | LCD |
|---|---|
| Bluetooth?Bluetooth link for nearby control. | Yes |
| Wi-Fi?Wi-Fi connection for remote control and monitoring. | Yes |
| Mobile app?iOS / Android app to control the unit. | Yes |
| Local control (no cloud)?Control possible over Bluetooth without an account or internet. | Yes |
| Solar connector?Connector type of the solar input (XT60, Anderson, MC4…). | XT60i |
Warranty
| Warranty?Length of the manufacturer's warranty. | 5 years |
|---|
User manual / Instructions for use
⚡ How long will this power station run a device?
With 2,048 Wh, the EcoFlow Delta 3 Max external battery runs a fridge (50 W) for ~35h or an LED TV (90 W) for ~19h.
| Home | Runtime |
|---|---|
| Mini fridge (45 W) | ~39h |
| Refrigerator (50 W) | ~35h |
| Freezer (60 W) | ~29h |
| Hair dryer (1800 W) | ~60 min |
| Outdoor & workshop | Runtime |
|---|---|
| LED lighting (10 W) | ~174h |
| Water pump (60 W) | ~29h |
| E-scooter (charging) (100 W) | ~17h |
| E-bike (charging) (150 W) | ~12h |
Rough estimate: real consumption varies, and very power-hungry appliances (heating elements) must stay below the output power.
What is this power station best for?
-
Home & Power cuts Ideal
With 2048 Wh and 2400 W, the Delta 3 Max secures a home's essentials during an outage: fridge, freezer, router, lighting, pump and small kitchen appliances run on its power, and its 4800 W surge absorbs motor start-up peaks. Its UPS function switches over in under 10 ms for an invisible transition that protects computers and sensitive gear, and its expansion to 10 kWh via add-on batteries covers long outages, up to several days of autonomy. Its 0-80% recharge in 51 minutes tops it up fast, and its solar input up to 1000 W makes it a sun-rechargeable reserve. New-generation LiFePO4 cells (4000 cycles) and a 5-year warranty make it a powerful, scalable and durable home backup, at a gentler price than the Max Plus version.
-
Motorhome & Van life Ideal
Powerful and expandable, the Delta 3 Max makes a motorhome feel almost like home: its 2048 Wh, expandable to 10 kWh, cover fridge, electric cooking, an auxiliary water heater and comfort over several days, and its 2400 W handle the vast majority of onboard appliances. Its solar input up to 1000 W recharges fast at a stopover on a sunny day, and its 0-80% recharge in 51 minutes is valuable at a service area. Its quiet operation (30 dB) preserves the calm of nights aboard. At 20.3 kg, it suits vehicles with a dedicated spot rather than the most compact vans, but offers a comfortable energy reserve for long self-sufficient trips.
-
Job site & Tools Suitable
On an off-grid worksite, the Delta 3 Max delivers solid power: its 2400 W (4800 W surge) start and run most power tools, drill, jigsaw, sander or a small compressor, and its four outlets feed several stations. Its 2048 Wh, expandable to 10 kWh, cover one to several days, and its solar input up to 1000 W recharges on site. Its pure sine wave protects the machines' electronics, and its quiet operation (30 dB) is welcome indoors. For the most demanding tools above 2400 W continuous, the Max Plus version (3000 W) will be more comfortable.
-
Off-grid & Solar Suitable
Expandable to 10 kWh and solar-compatible (up to 1000 W input, dual MPPT), the Delta 3 Max is an affordable storage core for an off-grid location: cabin, workshop, tiny house or second home. Its 2400 W run a fridge, pump, tools and large appliances, and its LiFePO4 cells (4000 cycles) withstand years of daily cycling. In good weather, it recovers a large part of its charge in a few hours. App control makes it easy to track solar production and consumption. For year-round permanent self-consumption, add panels and expansion batteries.
-
Remote work Suitable
Well beyond a simple mobile desk, the Delta 3 Max powers a full workstation for days: its 2400 W run a computer, multiple screens, a printer, router and lighting, and its 2048 Wh (expandable to 10 kWh) offer a considerable margin. Its UPS function (switchover under 10 ms) shields the session from the slightest micro-outage. Its three USB-C ports charge laptops and tablets, and its quiet operation (30 dB) makes it pleasant beside the desk. It is an oversized base for classic remote work, ideal for a studio, a creative workshop or a space far from the grid.
Our team's recommendations based on the model's capacity, output power and weight.
Comparison
Around 1300 euros, the EcoFlow Delta 3 Max compares to 2 kWh power stations, targeted by searches like "2000W power station" or "home backup battery". Here is how it stands against three references: the Anker SOLIX C2000, the Bluetti Elite 200 V2 and the EcoFlow Delta 3 Max Plus, its more powerful big sister.
| Criterion | EcoFlow Delta 3 Max | Anker SOLIX C2000 | Bluetti Elite 200 V2 | EcoFlow Delta 3 Max Plus |
|---|---|---|---|---|
| Capacity | 2048 Wh | 2048 Wh | 2073 Wh | 2048 Wh |
| AC output | 2400 W (4800 W surge) | 2400 W | 2600 W | 3000 W (6000 W surge) |
| Recharge 0-80% | 51 min | 60 min | 76 min | 47 min |
| Expandable | Yes (up to 10 kWh) | Yes (up to 12 kWh) | No | Yes (up to 10 kWh) |
| Observed price | ≈ 1299 € | ≈ 1299 € | ≈ 1399 € | ≈ 1499 € |
In short, the Delta 3 Max is the best price/capacity ratio in the series: it offers the same 2048 Wh capacity, 10 kWh expansion and fast recharge as the Max Plus, for about 200 euros less, in exchange for 600 W less continuous power (2400 versus 3000 W). Against the Anker SOLIX C2000, it recharges faster and switches to UPS more quickly; against the Bluetti Elite 200 V2, it has the decisive edge of expandability. For a powerful, fast and scalable 2 kWh station without breaking the bank, the Delta 3 Max is an excellent choice.
Related video
Video: EcoFlow DELTA 3 Max Review: Does It Actually Deliver?
Our tester's review: Christophe Delpuech
We plugged the Delta 3 Max into a desk and kitchen circuit, and it did exactly what you expect from a 2 kWh station: the UPS switchover is so fast (under 10 ms) that neither the computers nor the router flinched during our outage tests. The 2400 W output is a game-changer versus a 1 kWh station, you fire up the kettle, microwave or tools without a second thought, and the 4800 W surge absorbs start-up peaks. Recharging is spectacular, 0 to 80% in 51 minutes, you top it up during a break. Its 2048 Wh last a good part of a day for essentials, and the expansion to 10 kWh covers a long outage or a full weekend off-grid. Versus the Max Plus, you lose 600 W of continuous power and a few advanced features, but you save around 200 euros, which makes it the best price/capacity ratio in the range for anyone who does not need the 3000 W. The only real caveat: at over 20 kg, it moves around but is not carried one-handed.
Frequently asked questions: EcoFlow Delta 3 Max 2048Wh power station
Both share 2048 Wh and expansion to 10 kWh. The Delta 3 Max delivers 2400 W (4800 W surge) and the Max Plus 3000 W (6000 W surge). The Max Plus adds a few advanced features and recharges slightly faster, but costs about 200 euros more.
It delivers 2400 W continuous (4800 W surge), enough to run most of a home's appliances at once. To power a full electrical panel, pair it with a transfer switch and possibly add-on batteries.
Its capacity expands from 2 to 10 kWh by adding compatible Delta 3 batteries, enough to cover a long outage or several days of autonomy.
From the mains, it goes from 0 to 80% in just 51 minutes. It accepts several recharge methods, including solar up to 1000 W with dual MPPT, alternator charger and generator.
Published on 24/07/2026