EcoFlow River 2 Max
(16 reviews)
512Wh, 500W and only 6.1 kg: the compact station that recharges 0 to 100% in one hour and powers 80% of your essential devices thanks to X-Boost.
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Characteristics
- Capacity: 512 Wh (LiFePO4, TÜV certified)
- Output: 500W (X-Boost up to 1000W)
- Recharge: 0 to 100% in 60 min (mains)
- Weight: 6.1 kg, Bluetooth/Wi-Fi app
- 512Wh, 1000W X-Boost, 6.1 kg
Detailed overview: EcoFlow River 2 Max 512Wh portable power station
The EcoFlow River 2 Max is a compact 512 Wh portable power station, designed to offer the best compromise between capacity, weight and recharge speed. At just 6.1 kg, it travels easily for camping, in a van, on a worksite or as occasional home backup.
It delivers 500 W of continuous output, a power raised to 1000 W thanks to X-Boost technology, which lets it power up to 80% of everyday essential devices, including some resistive appliances that normally exceed its rated power. Its battery uses LiFePO4 chemistry, known for its safety and longevity (up to 10 years of use), and it is the first power station to earn a TÜV Rheinland safety certification.
Its strength is the recharge: 0 to 100% in just 60 minutes from the mains, one of the fastest in its category. It accepts four charge modes (mains, car, solar and USB-C) and can supply up to 1.5 kWh per day on solar charging. Everything is controlled and monitored via the EcoFlow app, over Bluetooth or Wi-Fi.
Compact, light and fast to recharge, the River 2 Max is for anyone looking for a versatile power station for camping, outdoor leisure, remote work or occasional backup power, with the reliability and lifespan of LiFePO4 chemistry.
Full specifications
Detailed characteristics (EAN: 4895251619929)
Battery and capacity
| Rated capacity?Total stored energy in watt-hours. The higher the figure, the longer the runtime. | 512 Wh |
|---|---|
| Delivered energy, measured?Energy that actually leaves the battery and reaches the devices. Always below the stored energy, as conversion costs heat. Taken from our in-depth review. | 439 Wh |
| Expandable capacity?Whether capacity can be increased with add-on batteries. | No |
| 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. | 3000 cycles (80 %) |
AC output
| Continuous AC power?Power the unit can sustain continuously on its 230 V outlets. | 500 W |
|---|---|
| Surge power?Brief peak tolerated when starting motor or compressor devices. | 1000 W |
| Boost-mode power?Extended power via a proprietary mode (X-Boost, AmpUp…) by lowering voltage. | 1000 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. | 2 |
| RV / TT-30 outlet?Dedicated 30 A outlet for North-American style RVs. | No |
Recharging
| Max AC charging power?Maximum power drawn from a wall socket; higher means faster charging. | 660 W |
|---|---|
| AC charge 0-100%?Stated time for a full charge on mains power. | 60 min |
| Max solar input?Maximum solar power accepted at the input (PV panels). | 220 W |
| Accepted solar voltage?Panel voltage range compatible with the solar input. | 11 to 50 V |
| Max solar current?Maximum current accepted on the solar input. | 13 A |
| MPPT controllers?Number of independent MPPT solar inputs (yield optimisation). | 1 |
| 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). | 1 × 100 W |
|---|---|
| USB-A ports?Number of USB-A ports and maximum power (small devices). | 3 × 12 W |
| 12 V output (car socket)?12 V cigarette-lighter output and its power (coolers, pumps…). | Yes (126 W) |
| Other DC outputs?Additional DC connectors (Anderson, DC5521, XT60…). | DC5521 |
Portability
| Weight?Net weight of the unit, battery included. | 6.1 kg |
|---|---|
| Dimensions (L × W × H)?Overall size of the unit in millimetres. | 270 × 260 × 196 mm |
| Form factor?Portable (hand-carried), transportable (heavy), or wheeled. | Portable |
| 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, TÜV Rheinland |
|---|---|
| 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. | 30 ms |
Noise and thermal
| Noise level (rated)?Manufacturer-stated noise; a quiet room is around 30 dB. | 62 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…). | XT60 |
Availability and warranty
| Market launch?Date the model first became available on the European market. Useful to place its generation: technology moves fast in this segment, and a device several years old may be at the end of its commercial life. | November 2022 |
|---|---|
| Warranty?Length of the manufacturer's warranty. | 5 years |
User manual / Instructions for use (PDF)
⚡ How long will this power station run a device?
With 512 Wh, the EcoFlow River 2 Max external battery runs a fridge (50 W) for ~8h40 or an LED TV (90 W) for ~4h50.
| Home | Runtime |
|---|---|
| Fan (45 W) | ~9h40 |
| Freezer (60 W) | ~7h15 |
| American fridge (150 W) | ~2h55 |
| Washing machine (500 W) | ~50 min |
| Outdoor & workshop | Runtime |
|---|---|
| RV fridge (60 W) | ~7h15 |
| LED TV (90 W) | ~4h50 |
| E-bike (charging) (150 W) | ~2h55 |
| Sander (300 W) | ~1h25 |
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?
-
Camping & Tent Ideal
Compact (6.1 kg) and recharged in 60 minutes, the River 2 Max strings together tent weekends without staying flat for long: its 512 Wh cover lighting, charging for the whole group, a fan, topping up a cooler, and its 500 W (1000 W X-Boost) even allow a small kettle or a booster hotplate. Its four outlets and 100 W USB-C share power without a strip. Rechargeable up to 220 W from solar, it tops up at camp in good weather. LiFePO4 chemistry (3000 cycles) lasts for years. Note: its fan is audible during fast mains recharges, but stays discreet in use.
-
Remote work Ideal
The River 2 Max runs a real mobile workstation for a day: its 500 W output (1000 W X-Boost) powers a computer, an external monitor and a router or 4G box, and its UPS function protects the session from micro-cuts to prevent data loss. Its 512 Wh provide several hours of connectivity, easily enough for a day of work in a garden, a van or a co-working spot without an outlet. Its 100 W USB-C recharges a laptop along the way. Compact (6.1 kg) and recharged in 60 minutes, it carries and recharges effortlessly. For a very hungry dual-monitor setup, a more powerful model will be more comfortable.
-
Motorhome & Van life Suitable
In a van, the River 2 Max makes a good top-up for a weekend: its 512 Wh cover lighting, ventilation, charging of all devices and light cooking, and its 500 W occasionally accept a hungrier appliance via X-Boost. A full recharge in 60 minutes tops up at a service area during a break, and a solar input up to 220 W extends autonomy in good weather. Compact (6.1 kg), it stows easily aboard. To live several days in a row with a permanent fridge, a 1 kWh station or more will be more relaxed.
-
Road trip & Car Suitable
Compact and quickly recharged (60 minutes), the River 2 Max is a good road-trip companion: it keeps a cooler cold at stops, recharges cameras, drones, a laptop and phones, and powers a small camp appliance in the evening. Its 512 Wh and 6.1 kg fit easily into the boot, and a short halt on a socket is enough to set off charged. Rechargeable while driving, it spares the vehicle’s battery. For long successive nights off-grid, a solar panel up to 220 W usefully extends its autonomy.
-
Photo & Video Suitable
In the field, the River 2 Max makes a compact, efficient power station: its 512 Wh recharge a long set of mirrorless batteries, drone packs and mics between sequences, and its 500 W run a fill LED panel, a monitor or a fast charger via its four outlets. Its 100 W USB-C quickly fills an editing laptop. At 6.1 kg it carries easily and follows a light crew scouting or reporting. Recharged in 60 minutes, it limits downtime between shooting sessions.
-
Boating Suitable
Aboard during a stop without a dock, the River 2 Max brings a handy mobile energy reserve: its 512 Wh, quickly recharged, sustain navigation electronics, the VHF, lighting and device charging for an evening or a night, without drawing on the boat’s circuit. Its LiFePO4 chemistry, safer and more stable than conventional lithium, reassures in a confined space. Compact (6.1 kg), it tucks easily into a locker or cabin, and recharges at the dock in 60 minutes or from solar up to 220 W. For several days at anchor with a permanent cooler, a higher capacity will be more relaxed.
Our team's recommendations based on the model's capacity, output power and weight.
Compatible solar panels
A selection of photovoltaic panels that suit this station's solar input (up to 50V / 220W), best match first.
Comparison
At around £299 to £428, the EcoFlow River 2 Max compares with compact power stations of roughly 500 Wh, targeted by searches such as "portable power station" or "camping power station". Here is how it sits against three references: the Jackery Explorer 500, the Bluetti AC50B and the Anker 535.
| Criterion | EcoFlow River 2 Max | Jackery Explorer 500 | Bluetti AC50B | Anker 535 |
|---|---|---|---|---|
| Capacity | 512 Wh | 518 Wh | 448 Wh | 512 Wh |
| AC output | 500W (X-Boost 1000W) | 500W | 700W | 500W |
| Recharge 0-100% | 60 min | Slow (mains) | 80 min | Moderate |
| Battery | LiFePO4 (TÜV) | Lithium-ion | LiFePO4 | LiFePO4 |
| Observed price | ≈ £341 | ≈ £427 | ≈ £298 | ≈ £367 |
In short, the River 2 Max stands out for its lightning recharge (60 minutes) and its X-Boost that pushes the power ceiling to 1000W, with the guarantee of a TÜV certified LiFePO4 battery. The Bluetti AC50B is slightly cheaper and more powerful continuously, the Jackery Explorer 500 goes for simplicity but recharges slowly. For a compact, versatile and fast-charging station, the River 2 Max remains a safe bet.
Related video
Video: Portable Power for Work and Emergencies - EcoFlow River 2 Max Review - Published on 17/11/2022
Our tester's review: Christophe Delpuech
We took the River 2 Max on a camping weekend and it proved the ideal companion for the traveller who doesn't want to be weighed down: at 6.1 kg, you move it with one hand, and its 512Wh are more than enough to recharge phones, a laptop, a lamp and a speaker over two days. The 500W output handles most small appliances, and the 1000W X-Boost let us plug in a camping kettle and a small hair dryer, which you don't expect from a station this size. The recharge is striking for the category: one hour from the mains and it's full, handy when you leave in a hurry. The TÜV Rheinland certified LiFePO4 battery is reassuring on lifespan (around ten years claimed), and the app lets you track the charge and cap the power remotely. Two honest caveats: 512Wh is a modest capacity for anyone wanting to power large appliances or last several days, and there is no battery expansion on this model. But for a compact, fast and reliable station, it is a safe mid-range bet.
Frequently asked questions: EcoFlow River 2 Max 512Wh portable power station
With 500W output (1000W in X-Boost), it powers up to 80% of essential devices: phones, computers, lamps, small kettle, mini fridge. Its 512Wh recharge a smartphone around thirty times.
From a mains socket, it goes from 0 to 100% in just 60 minutes, one of the fastest recharges in its category. It also accepts car, solar (up to 1.5 kWh per day) and USB-C.
Its LiFePO4 battery targets up to 10 years of use. The River 2 Max is even the first power station to have earned a TÜV Rheinland safety certification.
Yes. At just 6.1 kg with a built-in handle, you move it with one hand. It is one of its assets for camping, van life or outdoor leisure.
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Published on 09/07/2026, updated on 16/08/2026