How Big of a Portable EV Charger Do I Need? - EcoFlow

Author: Harry

Sep. 08, 2025

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How Big of a Portable EV Charger Do I Need? - EcoFlow

With electric vehicles (EVs) and hybrids becoming commonplace as we strive to live sustainably, many people are in search of portable EV charging solutions.

If you are looking for more details, kindly visit EraCharge.

With an estimated 150,000 EV charging stations across the United States, finding a place to recharge is nowhere near as challenging as it used to be.

Even still, you may prefer to have the additional energy security of having a portable EV charger that you can take with you anywhere.

You never know when you might find yourself running out of juice with miles to go to the next EV charging station.

But is it really feasible to charge a massive EV battery with a portable device?

Read on to find out.

Believe it or not, the answer is yes.

Much in the same way that you couldn’t refill your traditional car with a gas can, you can’t recharge your EV from 0-100% with a portable power station.

However, there are affordable and powerful solutions that buy you enough miles to get you off the side of the highway and back on the road to the nearest compatible EV charging station.

That’s everything you need to give your EV a boost and to recharge the PPS at any EV charging station while you “refuel” your vehicle.

Like all EcoFlow portable power stations, DELTA Pro also supports solar charging (1,600W solar input), so you can even charge your EV with solar panels.

Connect up to 4 x EcoFlow 400W portable solar panels to turn your DELTA Pro into a solar generator and recharge anywhere the sun shines — even at the side of the road.

The US Dept. of Energy provides a valuable resource that pinpoints EV charge stations by location in the US and Canada. You can also filter by charger and connector type, and free smartphone apps are also available.

Using the EV charging station map, it’s easy to calculate the average distance between stations based on where you live or where you’ll be traveling.

Once you’ve decided on how much additional run time you’d like a portable EV charger to supply, it’s time to calculate how much power you need.

The charge times and input requirements of EVs vary significantly by manufacturer. You’ll need to consult your car’s manual or manufacturers to determine exactly what you need.

Level 1 is the dinosaur of EV charging solutions.

A more charitable way of looking at it is as a last resort.

Level 1 (L1) charging uses 120V single-phase electricity, and it can take days (40-50+ hours) to fully charge an EV.

On the bright side, every EV comes with an L1 charge cable, and you can plug it directly into a standard household wall socket.

With a maximum AC output of 2.4 kW, you can expect about 5 miles of additional drive time per hour of charging.

If you leave your EV plugged into an L1 charger for 8 hours a day when you’re at work, you can count on about 40 miles of driving.

L1 may be slow, but for many people, it’s fast enough to “fuel” their daily commute.

Most emergency and portable EV chargers supply L1 charging.

DELTA Pro can provide L1, but you’ll get better results with Level 2.

L2 electricity parameters are well out of reach for most portable emergency EVs or “trickle” chargers.

Not so for EcoFlow DELTA Pro.

Out of the box, EcoFlow DELTA Pro offers 3.2 kW of continuous AC output and 3.2 kWh of storage.

In simple terms, it can charge an EV for a full hour at a charge load of 3.2 kW.

According to the US Dept. of Transportation, battery electric vehicles (BEV) charge from 0-80% in 4-10 hours, and plug-in hybrid electric vehicles (PHEV) charge from 0-80% in 1-2 hours.

EcoFlow DELTA Pro can’t recharge any BEV from zero-100%, but it can be the difference between making it to the next charging station and being stranded at the side of the road.

Using the Tesla Model Y as an example, EcoFlow DELTA pro can extend your range by an additional 14 miles.

Is 14 miles going to be enough to get you to the nearest charging station?

It largely depends on where you’re stuck.

If you run out of power in Massachusetts, you’re probably in luck. Electric Driver magazine estimates that there’s an EV charging station every 5 square miles. Ditto for California (every 12 square miles).

However, if you run aground in Mississippi (every 521 square miles) or get lost in Alaska (every 11,844 square miles), you may be in for a long wait or an even longer walk.

According to The Washington Post, Tesla has pledged to “open at least 3,500 fast chargers to non-Tesla EVs by the end of .”

Want more information on Portable Ev Charger? Feel free to contact us.

Additionally, the Inflation Reduction Act of that established the 30% Federal Solar Tax Credit also provided $7.5 billion in government funding for Level 2 and Level 3 public charging stations to create a national network of 500,000 EV chargers on highways and in communities nationwide.

DC Fast Charging typically requires a three-phase AC input, and there are three primary types of vehicle charge ports, depending on the manufacturer.

Level 3 charging requires 240V electricity. Currently, it’s not possible to utilize DC Fast Charging at home or with a portable charger, even if your EV supports it.

DC Fast Charging is available only at government- and corporate-owned charging stations.

(Source: Energy.gov)

Depending on your EV, you may have a CCS, CHAdeMO, or J (NACS) connector for L3 charging in addition to a J port for L1 and L2.

Confused yet?

You may not be for long. The J connector pioneered by Tesla — also known as the Tesla connector or Supercharger port — is being adopted by other manufacturers and is well on its way to becoming the North American Charging Standard (NACS) for Level 3. It’s increasingly becoming known as a NACS connector.

Not all EVs have L3-compatible compatible charging ports. If your vehicle does, and it’s not NACS compatible, you can most likely buy an adapter that will let you connect.

Carefully consider the size and weight of a portable EV charger before making a purchase.

Batteries with sufficient AC output and storage to provide meaningful backup power for your EV are heavy and can be bulky.

Even though it uses energy-dense LiFePO4 battery chemistry, EcoFlow DELTA Pro weighs in at 99 lbs (45 kg). However, its suitcase-style wheels and retractable handle make it portable and easy to roll.

Price is always an essential consideration when making a significant purchase decision. Make sure you balance performance with cost and explore any government incentives and favorable direct from manufacturer financing.

The beauty of the EcoFlow Delta Pro is that you can also use it for home backup and off-road RV or camping to charge pretty much anything.

With EcoFlow DELTA Pro and DELTA Pro Ultra, you get a lot more bang for your buck than with a less versatile EV charger.

While there are no portable solutions that can completely recharge your electric vehicle, EcoFlow’s Delta Pro can give it an extra boost.

It may be enough to get you to the nearest charging station if your EV “runs out of gas.”

If you have enough room, EcoFlow DELTA Pro Ultra provides much more power, and with enough solar panels, it can also keep your whole home up and running during a blackout.

Check out EcoFlow today for innovative portable and renewable power solutions to keep your EV off the shoulder and on the road.

*Under W output

What Businesses Should Look for in a Portable EV Charger

What Portable EV Charger is Right for My Business?

When it comes to purchasing electric vehicles (EVs) for your business, one of the most important factors to consider is how you will charge your fleet. Portable EV chargers are a great solution for businesses because they allow you to charge your EV wherever you need it. However, with limited options on the market, it can be difficult to know what to look for and what is best for your business when choosing a mobile EV charging solution. In this blog post, we’ll discuss the key features to consider when selecting a portable EV car charger for your business.

Charging Speed

One of the most important factors to consider when choosing a portable EV car charger is the charging speed. The charging speed will determine how quickly your EV’s battery can be recharged.

There are 3 main charging levels available, Level 1, Level 2, & Level 3 (DC Fast Charging). Level 1 is plugged directly into a standard wall outlet and is what typically comes with the purchase of an electric car. With this charger, it takes about 40-50 hours to fully charge a vehicle, so it is not a good solution for business operations.

Level 2 chargers are most commonly used for public charging stations. It is much faster than Level 1, but it still can take up to 10 hours to fully charge a vehicle. Level 2 chargers also often require grid updates as they are not able to be plugged into a standard outlet.

Level 3 (DC fast charging) is the fastest level of EV charger available and the most difficult and costly to get. This charger can charge an electric vehicle up to 80% in under an hour.

Compatibility

You’ll want to make sure that whichever portable EV car charger you choose for your commercial vehicles is compatible with the EVs you have. You’ll need to know if the electric cars can accept Level 3 charging and which type of charging port they have; CHAdeMO or CCS. Some vehicles like Tesla have different charging ports altogether, so you’ll need to know if you need adaptors.

Sustainability

No one wants to charge their electric vehicles with a gas generator. To comply with green initiatives worldwide, companies have been adding more and more electric vehicles to their fleets. Look for an EV charger that doesn’t use gas or diesel to deliver power to electric vehicles.

Safety Features

Safety is one of the most important concerns when using a portable charger to charge electric vehicles. Portable EV chargers that come equipped with safety features such as an emergency stop will ensure that you and your EV’s battery are protected from damage while charging.

User Friendly

EV charging equipment can be tricky and difficult to use. Choosing a charger that has a user-friendly interface can greatly improve the portable charging experience. Having a charger that also has indicator lights is helpful. Knowing when the charger is connected and correctly charging is important when out in the field.

SparkCharge created their portable Level 3 charger, the Roadie, with all of these factors in mind. The Roadie was designed to be small enough to fit in any sized vehicle, light enough to be taken anywhere, and modular to deliver exactly what the electric vehicle needs.

The Roadie has a very simple design to make it easy to use, compatible, and safe. It has a one-button start/stop with lights indicating when it is ready to charge and deliver the charge. To safely stop the charge in case of an emergency, the Roadie features an emergency stop button on the top of the charger for easy access. The Roadie can service nearly all-electric vehicles that can accept Level 3 fast charging (including CCS and CHAdeMO).

SparkCharge is dedicated to sustainability and finding green solutions. The Roadie is gas and diesel-free so you can make the green choice when charging your EVs. The chargers are also grid-free meaning they are not attached to traditional infrastructure when charging.

When choosing a portable EV car charger, it is important to consider all of these factors and features. By taking the time to research and compare options, you’ll be able to find a portable EV car charger that meets your specific needs and makes owning and operating electric vehicles in your business more convenient and enjoyable. Companies like SparkCharge are continuing to find and create innovative mobile EV charging solutions to make electric vehicle ownership easy, convenient, and simple for consumers and businesses.

Talk to an Expert

The company is the world’s best Ac Ev Charging Station supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

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