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EcoFlow DELTA mini Portable Power Station. Ecoflow mini generator

EcoFlow DELTA mini Portable Power Station. Ecoflow mini generator

    What Size Solar Generator Do I Need? [Expert Answer]

    than ever in today’s fast-paced, unpredictable world, we need reliable energy. When the electric grid goes down, the food in the fridge needs to stay cold, and your devices need to remain powered. Even if you’re taking an off-grid vacation, it’s not uncommon to need your laptop in tow for work emergencies.

    A solar generator lets you stay electric and connected while causing far less environmental damage than a gas option. It’s a fantastic way to reduce your reliance on an aging and increasingly overtaxed energy grid and a Smart economic choice to save some cash on your next energy bill.

    However, not every solar generator has the power to keep your devices running — or even get them started.

    So, what size solar generator do you need?

    We answer that question with our experts weighing in on how different Ecoflow solar generators can meet all your energy needs. We also provide a comprehensive breakdown of how to calculate generator size accurately.

    Use this guide to help purchase the solar generator that’s perfect for you.

    How Are Solar Generators Sized?

    When discussing the size of solar generators, industry experts generally don’t mean the dimensions. Instead, they are talking about the capacity.

    A generator’s capacity is measured in watts and watt-hours. The wattage indicates the amount of power used in energy transfer. The greater a solar generator’s capacity (i.e., the more watts it has), the more power it can provide you in a single charge.

    However, it’s not enough to know a generator’s capacity because power transfer doesn’t always occur at an even rate. You need to know whether a generator’s capacity is sufficient to run the device and start it up.

    There are two primary forms of watt measurement that are worth noting: continuous power and peak power.

    Continuous Power

    The first measurement is continuous power. This term refers to the amount of energy a solar generator can provide consistently.

    Continuous power indicates how much energy you’ll get from a single charge of your power station under normal conditions. This figure also determines the run-time for operating a device.

    Peak Power

    The other kind of power is peak power, also called surge power or peak surge. It refers to the maximum energy a solar generator can deliver in a short burst.

    The most critical time that a generator’s peak power comes into play is when you first start a device. Think about a refrigerator. These large devices constantly run throughout the day on continuous power. However, to start up, a short burst of energy is required that’s often seven times greater than the continuous power the device needs to run. That’s peak power.

    With solar generators, it’s essential to consider the appliances you’d like to charge both in terms of how much electricity they require to keep running and how much power you’ll need to get it started.

    How Big of a Solar Generator Do I Need?

    Knowing how big of a solar generator to buy is based on your individual needs. Are you heading out into the wilderness with your laptop in tow? Or are you trying to power an air conditioner in the hot summer months and looking for ways to lower your energy bill? There are different energy solutions for different energy needs.

    The two solar generators from EcoFlow below demonstrate the different-sized solar generators available and the types of devices and appliances they can power.

    Ecoflow River 2 Max with a 160W Portable Solar Panel

    Consider the EcoFlow River 2 Max with a 160W Portable Solar Panel. It has a 512Wh capacity, with four AC outputs that can each provide 800W.

    The River 2 Max can power a 50″ 110W television for 4.5 hours on a single charge or a 160W refrigerator for 3.2 hours. Going off-grid with the River 2 Max, you’d be able to bring your 60 Wh Laptop to a full charge eight consecutive times. If you’re traveling lighter but don’t want to go entirely off the grid, you can recharge an 11Wh smartphone 46 times.

    Recharging the solar generator is easy. Recharge with a 160 W Solar Panel to refuel your River 2 Max in 4 hours.

    EcoFlow DELTA Max 400W Portable Solar Panel

    One of our most powerful solar generators yet, the Ecoflow DELTA Max comes equipped with two different capacity options, one for 1600W and another more robust option for 2000W. You can expand the capacity to 6kWh with extra Smart batteries. You can also choose one or two 400W solar panels to recharge fast.

    If you’re looking for a solar generator that can power your large at-home devices like your fridge or dryer, the DELTA Max can easily handle devices up to 3400W. It can keep a 120W refrigerator running for 14 hours or a 110W 50” television going for 15 hours. It’s perfect for keeping your home powered through a blackout.

    ecoflow, delta, mini, portable, power, station

    And with the collapsible 400W solar panel, the Delta Max is perfect in multiple environments, from your home to camping and off-grid living. It’s the height of engineering, with high solar output and an efficiency rating of 23%, making it a market-leading solar solution.

    How to Calculate the Optimal Solar Generator Capacity

    To determine what size solar generator you need for your particular situation, you’ll need to calculate the optimal capacity based on what devices and appliances you want to charge and for how long. Use the guide below to figure out your energy needs!

    What Do You Want to Power and For How Long?

    Choosing the size of your solar generator depends on what you want to power and how long. Do you want to keep your refrigerator running or just have a backup energy source for your laptop should a power outage happen during work hours?

    Getting an upfront estimate on how much power the devices you’re working with requires is essential. Laptops and phone chargers have much smaller energy requirements than an air conditioner or large kitchen appliance. Larger appliances will likely need a significant burst of peak power to start up.

    Estimate How Much Power Your Devices Use

    Once you know what you want to use your solar generator to power, it’s time to calculate how much energy you need to power them up and keep them running.

    ecoflow, delta, mini, portable, power, station

    Don’t worry! There are no complex equations here. You can put your high school scientific calculator back in the desk.

    To start, you need to calculate how many watts each device needs to run. The wattage number is usually listed somewhere on the device, though a quick Google search can give you a reliable estimate.

    Some appliances, like a refrigerator, will show the energy requirements. Look inside your refrigerator for a sticker showing the product information.

    In some cases, you might only see the energy measurement in amps. You can use this information to calculate wattage. Simply multiply the amps by the volts (also listed in the product information) to calculate the wattage.

    Amps (A) x Volts (V) = Watts (W)

    The next step is estimating how many hours you want to be able to use each device on a single charge. Multiply the number of hours you’ll need with the total watts for your device. The product of this multiplication is your Watt-Hours.

    You’ll need to repeat this calculation for every item if you intend to run multiple devices and appliances.

    Determine the Watt-Hours of the Solar Generator

    After running through this equation for all the devices you want to charge, you’ll have the minimum watt-hours required for your energy goal. That’s the information you need to choose the right-sized solar generator for you.

    Note that this is likely the bare minimum of the watt hours you’ll need, so be sure to purchase a device with additional capacity. Also, remember that the generator you choose should have adequate capacity to support the device’s continuous and peak power.


    So let’s put this into practice. You want to power two phone chargers and a laptop for 3 hours each. Find the total amount of Watt Hours like so:

    First, calculate your total wattage. A smartphone uses about 5Wh of energy. A laptop uses about 60Wh. Multiply your two phone chargers with their watt hours and add this number to your laptop’s watt hours:

    If you want to run your devices for three hours, multiple the three devices to estimate their run times:

    3 devices x 3 hours = 9 hours

    Now, multiply your total watt-hours from the three devices and run time to calculate the total watt-hours you’ll need from a generator:

    With new, ground-breaking solar technology, there’s never been a better time to harness the sun’s natural energy. No matter your energy needs, EcoFlow has a solar generator that will work for you. Browse our selection today for solar generators for home backup power, off-grid adventures, and professional projects that require portable power solutions.

    EcoFlow is a portable power and renewable energy solutions company. Since its founding in 2017, EcoFlow has provided peace-of-mind power to customers in over 85 markets through its DELTA and RIVER product lines of portable power stations and eco-friendly accessories.

    EcoFlow DELTA mini Portable Power Station

    4 Great reasons to buy from us:


    This brand new Delta Mini from Ecoflow is a 1400 watt solar power generator with 882Wh (watt hours) of battery. It also has a max surge watt output of 1800 watts with the new X-Boost technology.

    It’s power you can pick up, take along, and stow away for wherever a wall outlet isn’t handy.

    Power bigger electronics

    DELTA mini’s output of 1400W handles 90% of electronics. X-Boost that number to 1800W and suddenly your toaster oven, table saw, and hairdryer become battery-powered.

    Power up to 12 devices with a generous array of wall-style outlets, USB outlets, and DC outlets.

    Fully charged in 1.6 hours

    With X-Stream on, DELTA mini charges 3 to 4 times faster than other portable power stations. Faster charging means less downtime and more do-time.

    Note: This item is only available for sale in the contiguous United States.

    Bring along DELTA mini and keep your devices powered at all times. DELTA mini’s 882Wh capacity is perfect for power outages, outdoor adventures, and professional work.

    Big capacity

    Power Multiple Devices

    Solar Power

    Pint-sized Powerhouse

    possibilities open up when you bring along 1400W for up to 12 devices. Whether it’s professional gear or the comforts of home, it’s good to know you’re good to go.

    Charge Faster

    DELTA mini snags up to 300W from solar panels for a full recharge in 3 to 6 hours. It can also go from 0-100% in 96 minutes when charging from the wall.

    Smarter with the App

    The EcoFlow app shows how much solar you’re bringing in and how many watts your slow cooker and mini-fridge are pulling. Connect it to the internet and control it from anywhere.

    Three easy ways to charge

    Solar charging

    Harness the power of the sun by linking up to two 160W solar panels, and be fully charged in as little as 4 to 8 hours.

    EcoFlow Delta Mini review: Ultra-fast charging in a tiny package

    EcoFlow’s smallest Delta power station strikes the perfect balance between size, capacity, and price.

    There are a lot of use cases for portable power stations, or solar generators as they’re sometimes called.

    Some people are looking for something they can use in an emergency, while others want something that they can take camping for the weekend. Today we’re going to talk about EcoFlow’s Delta Mini power station. It has almost as much capacity as the Jackery 1,000 but is much smaller, and more importantly, it has some pretty advanced power management circuitry that puts it in the same league as much more expensive devices.

    Basic specs:

    Input may receive a portion of sales if you purchase a product through a link in this article. We only include products that have been independently selected by Input’s editorial team.

    ecoflow, delta, mini, portable, power, station

    A small-but-powerful portable power station with 882Wh of capacity.


    Unless you already have a power station, it’s actually really hard to estimate how much power you need. These batteries are measured in watt-hours, which is just load (watts) divided by time (hours). This means the Delta Mini can theoretically put out 882 watts for one hour or 1 watt for 882 hours.

    That’s still rather abstract, so let me put it this way: A 16-inch Intel MacBook Pro draws around 60 watts of power, so the Delta Mini could theoretically power it for 14.7 hours. My small window air conditioner uses about 400 watts of power when the compressor is turned on, so the Delta Mini could power it for a little over two hours if it were going full tilt.

    How much capacity does it really have?

    Now comes the fun part: testing the actual capacity. Why do we do this? For one thing, it’s just fun to charge up a battery and then discharge it completely (for science). But also: some manufacturers like to exaggerate their capacity rating while others actually understate the capacity in order to compensate for the natural degradation of the cells over time.

    So I charged up the Delta Mini to 100 percent, hooked up a Kill-A-Watt to the AC port, and then flicked on my heatgun on low power. It drew a nice, consistent 400 watts, making it easy to keep track of the battery as it ticks down.

    With the heatgun, I was able to get 770Wh out of the Delta Mini, which is right on target when you take into account the penalty for converting DC to AC. I also measured how much power it took to charge the Delta Mini via AC, and the Kill-A-Watt measured 1.01kWh. This also makes sense; fast charging does throw off a lot of waste heat.

    One thing I noticed while capacity-testing the battery was that, on the first discharge, the battery said that it was at 1 percent even though it had about 30 percent capacity remaining. Once it was fully drained and recharged, the next time I ran it down the meter was able to accurately measure the remaining capacity.

    AC output

    On paper, the Delta Mini can pump out 1,400 watts continuously, which is quite a bit. It ranks up there with the Goal Zero Yeti 1000X, which can produce 1,500 watts of continuous AC, but the Goal Zero is more expensive at 1,399.

    In my testing, I was able to run the aforementioned air conditioner, heatgun, plus an electric blower I have in my toolbox, all at the same time. These loads together added up to between 1,600 and 1,800 watts, well above the rated 1,400 watts of the Delta Mini. And this wasn’t just for a few seconds, this was continuous for about 10 minutes.

    Obviously, I wouldn’t recommend running any inverter above its rated capacity for long periods of time, but I have to hand it to EcoFlow for really delivering the goods here.

    USB and DC Output

    For home users, the Delta Mini’s DC outputs probably won’t attract much attention. But for van life and RV purposes, the DC outputs get a lot of use with things like 12v mini fridges and other mobile appliances. The 12v cigarette plug can do 126 watts, which might be cutting it close for some mini fridges.

    The situation around the front of the device is thankfully a bit better. EcoFlow has provided a full 100-watt USB-C port on the Delta Mini, meaning that even the most power-hungry laptops will be able to run on the battery without losing internal charge over time. I actually don’t have a monster laptop to test this with, but I can confirm that my little 13-inch Intel MacBook Pro was able to charge at a zippy 45 watts.


    Now to get to the good stuff. As I wrote in my Jackery 1,000 review, charging speed is critical for power stations. Goal Zero’s Yeti 1500X takes nine hours to recharge with the default 120W charger. By comparison, EcoFlow’s Delta Mini recharges in a little over 1.5 hours.

    To do that, you need to hook up the Delta Mini directly to AC power with the provided charging cord. On the back of the unit, there’s a switch that enables and disables fast charging. When this mode is enabled, the Delta Mini can soak up to 900 watts of power from the wall, which is pretty incredible.

    But AC isn’t the only way to charge the Delta Mini; it also comes with a car charger and an MC4 cable for solar panels. The car charger, in particular, is a nice pack-in from EcoFlow because it helps newbie vanlifers keep their batteries topped up, among other things. Goal Zero charges 39.95 for its car charger, so this saves you a nice chunk of change.

    Unfortunately, it seems like the Delta Mini is capped at 300 watts of solar charging capacity or around 100 watts from the car charger. This is alright, but it limits the viability of the Delta Mini for vanlife uses. That said, EcoFlow would likely point you toward its Delta Max and Delta Pro power stations for that.

    Physical design

    The Delta Mini is housed completely in plastic, but that doesn’t mean it’s not an absolute unit, because it is. This thing weighs in at 23.6 lbs, or about eight pounds lighter than the Goal Zero Yeti 1000X, its closest competitor.

    You can see how much smaller the Delta Mini is, but it lacks some of the flair of the Goal Zero. Evan Rodgers / Input

    Overall the unit is very stiff, and I think it could take a beating, though perhaps not quite as much of a beating as a Goal Zero Yeti.

    EcoFlow has gone with an interesting port configuration with the Delta series: there are limited ports on the front, like USB-A and USB-C, but the unit is longer than it is wide, and all the heavy-duty ports are on the back. This follows the design principles of the EcoFlow Delta Pro with its extra batteries or gasoline generator, which would sit on either side of the main unit. I like it, it’s very tidy.


    Like I mentioned above, it is pretty difficult to estimate how much power you actually need, so an opportunity to expand the capacity of your power station provides a little bit of futureproofing. The Delta Mini isn’t expandable like EcoFlow’s Delta Max and the Delta Pro, which both have optional add-on batteries that you can connect to the main units.

    To be fair, though, I’m not aware of any power stations in the roughly 1,000Wh capacity range that have substantive expansion options. Goal Zero has its lead-acid Home Energy Kit, but at this point, it’s probably better to invest in lithium-ion batteries given the price, lifespan, and power density.

    Van life

    Despite its attractive 999 price tag, the Delta Mini is not ideal for vanlife unless you’re keeping things very low-key. It mainly comes down to the limited 300-watt solar charging capacity as mentioned above. If you kept your usage minimal (i.e. not using a 45-watt laptop all day like I did while I was traveling), you could probably make it work on sunny days (assuming you have some solar panels). But I can tell you from personal experience that a string of cloudy days can really compound, and that’s when the extra capacity of larger units comes into play.

    Around the house / garage

    This is where the Delta Mini excels mightily. The unit’s small size, light weight, and big handles make it very easy to scoop up and move around the house or garage. Plus, a 1,400-watt inverter means that you’ll be able to use the Delta Mini to power a pretty large selection of all but the most demanding power tools.

    I think this aspect — the ability to move this battery anywhere around the workshop — is severely underrated. Begone, extension cord; small power stations are my new best friend.

    Emergency use / backup power

    This is an interesting one. On the one hand, the Delta Mini doesn’t have enough capacity to serve as a whole-home backup battery — you’ll want to look at the Delta Max, the Delta Pro, or the Goal Zero Yeti 3000X or 6000X for that. So if you live somewhere with a chronic blackout problem, this unit won’t quite make the cut.

    But on the other hand, the Delta Mini’s small size and ultra-fast built-in charging flips that on its head. In an emergency, you could drive or bike to somewhere with power and charge up the whole unit in 1.6 hours. Sure, it’s not as fast as filling up a jerry can for a gas generator, but it’s something.

    One other thing to note here: you can use the Delta Mini as a sort of uninterruptible power supply as long as your load is below 800-ish watts. This probably isn’t the best idea, because there’s a 30-40 watt overhead if you do this, but I did run my PC off of the Delta Mini and it will switch over to battery power when the plug is pulled without a hitch.

    Should you buy it?

    TLDR: Yes. There really aren’t any glaring flaws with EcoFlow’s Delta Mini. The price point is right, the AC output delivers, the AC fast charging is a game changer, and even the EcoFlow app is pretty good.

    All that being said, you can sometimes find EcoFlow’s slightly larger Delta power station with 1,260Wh of capacity for just over 1,000, which is honestly a steal. But if you’re looking for something powerful and truly portable, the Delta Mini is absolutely the power station to get.

    This article was originally published on Oct. 7, 2021

    EcoFlow RIVER 2 Series Comparison: Features, Specs, Applications

    The EcoFlow RIVER 2 series offers industry-leading portable power stations designed for off-grid electricity, entry-level emergency backup power for essential appliances, and compact power on the go.

    RIVER 2 is the next generation of EcoFlow’s game-changing RIVER series that redefines what compact off-grid power can mean…

    It’s an upgrade in every way.

    Here’s an in-depth look at what each RIVER 2 model has to offer, depending on your specific use case.

    We’ll compare portability, battery capacity, AC output (starting and running watts), solar charging capacity, battery chemistry, and more.

    Tips for Choosing a Portable Power Station (PPS)

    EcoFlow RIVER 2 series portable power stations offer the best compact power solution for off-grid adventures.

    Like EcoFlow’s DELTA series, the RIVER 2 series comes in various shapes and sizes, with different features tailored toward different users and scenarios.

    Here are the essential factors to consider when purchasing an EcoFlow off-grid power solution that’s right for you.


    The best portable power station is one that’s lightweight and compact enough to meet your off-grid electricity needs. Let’s face it – lugging around a massive battery is no one’s idea of fun.

    EcoFlow RIVER 2 series portable power stations start at 7.7 lbs (3.5 kg) and go up to 17.2 lbs (7.8 kg).

    If you’re looking for something feather-light and small enough to fit in your backpack, RIVER 2 is a great choice.

    If you need something compact to power more devices, RIVER 2 Max offers a 512Wh capacity and weighs just 13.2 lbs (6.1 kg). Maybe not ideal for long hikes, but certainly manageable.

    Battery/Storage Capacity

    The capacity of your PPS determines how long you can operate your personal devices and appliances between charges. Large-capacity portable power stations like DELTA 2 and DELTA Pro are better suited for heavier applications like emergency backup or residential off-grid power.

    If you need a compact option that can power 80% of home appliances but still weighs under 20 pounds, at 17.2 lbs (8 kg), RIVER 2 Pro offers 768 Wh battery storage — perfect for off-grid weekends away with the family.

    AC Output

    Along with storage capacity, the maximum AC output of a PPS or generator is crucial to understand.

    If you buy a PPS with insufficient starting and running watts to power your desired appliances — simultaneously — you will have to make compromises. A small PPS like RIVER 2 is great for hiking and keeping your laptop charged, but it won’t run a fridge.

    If your main goal is keeping your personal devices charged and running a few small appliances, RIVER 2 or RIVER 2 Max could be the perfect fit.

    However, if you want to run more demanding appliances, RIVER 2 Pro or an entry-level home backup power solution like DELTA 2 is likely better suited to your needs.

    Thanks to EcoFlow’s proprietary X-Boost technology, RIVER 2 Pro still packs a powerful punch with 800W of running electricity and 1600W of surge power (starting watts).

    Fast Charging

    You don’t want to wait half a day to charge up when you’re on the go. All EcoFlow portable power stations feature X-Stream — offering lightning-fast charging and intelligent battery management.

    RIVER 2 charges from 0-100% in just 60 minutes using AC power. RIVER 2 Pro offers three times the storage capacity at 768Wh, but it only takes 10 minutes longer to charge using AC.

    Or, you can go solar. Depending on environmental conditions, such as available sunlight, RIVER 2 Pro can recharge 0-100% in 4.5-9 hours using a 22oW Bifacial Portable Solar Panel.

    The RIVER 2 series offers 5x faster charging than its PPS competitors.

    Solar Charging Input

    For off-grid camping, tailgating, or other outdoor activities, charging your RIVER 2 PPS with a solar panel gives you true energy independence. You can harness the sun’s power to generate clean, renewable energy.

    What if you’re not blessed with all-year-round Arizona sunshine?

    The RIVER 2 series portable power stations have an advanced MPPT solar charge controller that automatically monitors voltage and current in real-time to increase solar electricity generation, even in cold and cloudy conditions.

    Battery Chemistry

    You’ll often hear portable power stations called solar, battery, or even portable generators. Ultimately, they’re all battery-powered devices.

    One essential factor to consider is battery chemistry.

    The EcoFlow RIVER 2 series utilizes cutting-edge Lithium Iron Phosphate battery chemistry — also known as LFP or LiFeP04. LiFePO4 is a newer subset of the traditional Lithium-Ion (Li-Ion) battery chemistry commonly found in older PPS models and Electric Vehicles.

    LiFePO4 offers many advantages over Li-Ion, including longer lifespans, faster recharge times, and increased performance in extreme temperatures.

    LiFePO4 also doesn’t require cobalt, an essential material for other Li-Ion batteries. Cobalt is primarily mined unethically in the Democratic Republic of Congo (DRC) — often using child labor. Working conditions are so poor that cobalt is commonly referred to as a blood metal.

    Portability: Best for Hiking and Backpacking

    When we say the RIVER 2 is small and light, we’re not kidding.

    Weighing just 7.7 lbs (3.5 kg) with tiny dimensions of 9.6 x 8.5 x 5.7 inches (245 x 214 x 142 mm), you can carry RIVER 2 in one hand or put it in your backpack.

    If you’re looking for something more powerful than a power bank to charge your personal devices off-grid but don’t want to skimp on portability, RIVER 2 is a great option.

    Capacity: 256Wh

    Even higher-capacity portable power banks only store about 20,000 mAh of electricity. That’s roughly 74Wh. At 256wH, RIVER 2 offers almost 250% more electricity storage capacity.

    AC Output: 300W (600W Surge Power w/X-Boost)

    You can’t run a washing machine with RIVER 2, but you’re not likely to take one camping anyways.

    With 300W operating AC output (600W starting wattage with X-Boost), you can run up to 99% of consumer electronics.

    Need to charge numerous devices at once? With multiple AC, USB-A, USB-C, and DC outlets, RIVER 2 has you covered.

    Fast Charging with X-Stream: 0-100% in 1 hour

    Charging doesn’t have to be a chore. The EcoFlow RIVER 2 mini charges from 0-100% in one hour using household AC electricity.

    You can charge using AC power, solar panels, a car adapter, or USB-C.

    Solar Charging: 110W Solar Charging

    Add a 110W portable solar panel, and recharge in as little as 3 hours (depending on environmental conditions).

    Battery Chemistry: LFP/LiFePO4 Battery

    All RIVER 2 series portable power stations feature industry-leading LFP (LiFePO4) battery chemistry. Longer lifespans, lower weight, and a wider range of operating temperatures are just a few of the benefits LFP offers.

    EcoFlow RIVER 2: The Final Verdict

    Looking for a portable power station that’s much more robust than a power bank, has more ports, and is small enough to fit in your backpack?

    RIVER 2 is a superb choice — and it’s easy on your wallet!

    EcoFlow RIVER 2 Max

    Hit the outdoors for an off-grid camping trip and keep everything charged and running with RIVER 2 Max.

    Portability: Best for Weekends Off-Grid

    About double the weight (and the power!) of RIVER 2, the Max weighs in at 13.2 lbs (6 kg) and features a similar comfortable grip, design, and frame. The additional weight won’t matter much if you’re car camping, but it may not be as suitable for extended hikes on foot.

    Capacity: 512Wh

    With double the electricity storage capacity of RIVER 2 — RIVER 2 Max provides reliable off-grid power. Anywhere. Anytime.

    AC Output: 500W AC Output (1000W Surge Power with X-Boost)

    The EcoFlow RIVER 2 Max features four pure sine wave AC outlets that deliver up to 500W (1000W of surge power with X-Boost.)

    That’s enough starting and running wattage to turn on and operate up to 80% of essential appliances.

    Fast Charging: 0-100% in 1 hour

    RIVER 2 Max also goes from 0-100% charge in just 60 minutes. Our unique X-Stream technology offers the fastest portable power station charging on the market.

    Solar Charging: 220W Solar Input

    If you’re camping without access to shore power or hookups — or simply want a cleaner way to generate electricity, RIVER 2 Max connects with up to two 110W solar panels or a 220W Bifacial Portable Solar Panel to give you renewable, green power.

    With 220W of solar input connected, RIVER Max can recharge using PV panels in as little as three hours of peak sunlight.

    Battery Chemistry: LFP (LiFePO4) Battery

    RIVER 2 Max also uses advanced LFP battery chemistry. EcoFlow’s LiFePO4 batteries have an extraordinarily long lifespan: six years longer than the industry standard.

    With normal use, RIVER 2 Max can fully discharge/recharge 3,000 times without diminished efficiency. That’s 10 years of regular use.

    EcoFlow RIVER 2 Max: The Final Verdict

    If you’re looking for a portable power station that gives you the flexibility to operate essential appliances while remaining lightweight and portable — RIVER 2 Max could be the right fit.

    EcoFlow RIVER 2 Pro

    RIVER 2 Pro is an off-grid powerhouse built for extended outdoor adventures.

    From extended dry camping to RV trips, RIVER 2 Pro is the ultimate compact power solution.

    You simply can’t pack more power into a unit this lightweight.

    Portability: Best for Extended Road Trips

    RIVER 2 Pro is the heavyweight of the RIVER 2 series.

    But make no mistake, at just 17.2 lbs (7.8 kg), it’s still super portable. It features a comfortable grip that makes it easy to carry and a compact design that makes it a perfect grab-and-go power source for higher-wattage appliances.

    Capacity: 768Wh

    RIVER 2 Pro’s substantial storage capacity makes it perfect for extended off-grid trips. It also makes it an excellent entry-level home backup solution for essential appliances.

    With a switchover speed of less than 30ms when the lights go out, you won’t even know there was a blackout for connected devices.

    AC Output: 800W AC Output (1600W with X-Boost)

    4 AC outlets deliver up to 800W, ideal for powering more demanding devices. RIVER 2 Pro can run up to 80% of high-wattage home appliances.

    Starting and Running Watts of Typical Household Appliances

    Appliance Rated (Running) Watts Starting Watts
    Refrigerator/Freezer 400 1600
    Light Bulb 60-75 0
    Microwave 600-1000 0
    TV 500 0
    Toaster 900 0
    Coffee Maker 1000 0
    Blender 300 800
    Toaster Oven 1200 0
    Laptop 50-300 0
    20” Box Fan 200 350

    Keep in mind, a portable power station or generator’s AC Output indicates the maximum amount of electricity it can provide instantaneously. As you connect more appliances simultaneously, you will use more of the PPS’s AC output until it can no longer power additional devices.

    Fast Charging: 0-100% in 70 Minutes

    The last thing you want to think about when you’re camping is having to put everything on pause so you can charge up. The EcoFlow RIVER 2 Pro charges rapidly from 0-100% in just 70 minutes when using AC power, giving you a full charge before you can finish packing your bags, throwing everything in the car, and riding away into the sunset.

    A quick note, RIVER 2 Pro doesn’t charge more slowly than RIVER 2 or RIVER 2 Max. Because of its additional storage capacity, it takes about 10 minutes longer to recharge fully.

    Solar Charging: 220W Solar Input

    When you’re halfway through a 2-week overlanding trip, having a renewable power source to keep all your gear powered comes in handy.

    With RIVER 2 Pro, you can connect up to two 110W solar panels or a 220W bifacial solar panel, giving you a solar generator that fully recharges in 4.5 – 9 hours, depending on environmental conditions.

    Battery Chemistry: LFP (LiFePO4)

    Like the rest of the RIVER 2 series, RIVER 2 Pro features advanced LFP (LiFePO4) battery technology that leaves traditional Li-Ion and lead acid batteries in the dust.

    EcoFlow RIVER 2 Pro: The Final Verdict

    The EcoFlow RIVER 2 Pro is the most versatile option in the RIVER 2 series.

    Whether you’re going on off-grid road trips, overlanding, or camping, RIVER 2 Pro gives you 768 Wh capacity, 800W AC output (1600W with X-Boost), and 220W solar charging input to take on the great outdoors in style.

    Product Name RIVER 2 RIVER 2 Max RIVER 2 Pro
    General Capacity 256Wh 512Wh 768Wh
    Net weight 7.7 lbs (3.5 kg) 13.4 lbs (6.1 kg) 17.2 lbs (7.8 kg )
    Dimension 9.6 x 8.5 x 5.7 in (245 x 214 x 142 mm) 10.6 x 10.2 x 7.7 in (270 x 260 x 196mm) 10.6 x 10.2 x 8.9 in (270 x 260 x 226 mm)
    Output AC Output Ports US/CA: 2 outlets, 300W total US/CA: 4 outlets, 500W total US/CA: 4 outlets, 800W total
    X-Boost US/CA: 600W US/CA: 1000W US/CA: 1600W
    Input AC charging 360W 660W 940W
    Solar charging 110W, 11-30V 8A Max 220W, 11-50V 13A Max 220W, 11-50V 13A Max
    Car charging Support 12V/24V, default 8A Support 12V/24V, default 8A Support 12V/24V, default 8A
    Battery Cycle life 3000 cycles to 80% capacity 3000 cycles to 80% capacity 3000 cycles to 80% capacity

    Final Thoughts

    The EcoFlow RIVER 2 series offers industry-leading portable power stations and whole home generator solutions for any application. From emergency home backup to off-grid adventures, there’s an EcoFlow portable power station that’s right for you.

    EcoFlow is a portable power and renewable energy solutions company. Since its founding in 2017, EcoFlow has provided peace-of-mind power to customers in over 85 markets through its DELTA and RIVER product lines of portable power stations and eco-friendly accessories.

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