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5 Best Cordless Portable Pressure Washers (2021 Review)

The best cordless pressure washers need to strike the right balance between power, performance and battery life. They need to be strong enough to lift dirt, yet have enough charge to get the job done. 

Most good cordless pressure washers will last at least 15 minutes, and some even reach 30. If there’s no built in water tank, you’re looking for at least 20 bars of pressure and the faster the flow rate the better.

Whether it’s washing down the car or giving the dog a clean, portable pressure washer are very handy indeed. I’ve heavily researched and tested the best models to give you my recommendations below…

What is the Best Cordless Pressure Washer?

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Comparing The Best Cordless Pressure Washers

Use the dropdown to sort the table by the feature that's most important to you.

  • Best For
  • Pressure (Bars)
  • Water Flow Rate
  • Battery Life
  • Weight
  • Charging Time
  • Spray Speeds
  • Spray Patterns
  • Hose Length
  • Water Tank
  • Cost
  • Our score
  •  

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In-Depth Reviews of Our Recommended Cordless Pressure Washers

Norse SK25i Portable Electric Pressure WasherNorse SK25i Portable Electric Pressure Washer

Best for water pressure

Power
Performance
Ease of Use
Battery
Value for Money
Overall
4.32
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Norse SK25i Portable Electric Pressure Washer review

Specifications

  • Pressure (Bars): 25 bar
  • Water Flow Rate: 3 L/min
  • Battery Life: 15-30 mins
  • Weight: 1.5 kg
  • Charging Time: 1 - 2 hours
  • Spray Speeds: 2
  • Spray Patterns: 4
  • Hose Length: 4 m
  • Water Tank: No

With a team of Norwegian engineers behind its design, the Norse SJ25i Portable Electric Pressure Washer is as well-made and reliable as you might expect.

It has a total of two speeds and four spray patterns, which actually turns out to be all that’s required to get the majority of jobs done. Of course, it’s not going to match the power of a mains-powered model, but for car cleaning or general patio maintenance it’s really as strong as you need.

Pushing out 25 bars of pressure, it’s powerful enough to achieve a great clean without being as likely as stronger jets to damage paintwork or ruin paving pointing. However, it still pays to be a little cautious when using the highest setting, as even this cordless model powered by its 20 V battery can produce a fairly impressive spray.

As mentioned, all the pieces are robust and fit together well, and the self-priming hose comes included which allows any water source to be used with this washer. It’s a useful tool to take on camping trips and have in the car for outdoor adventures, weighing just 1.5 kg, as it quickly cleans off muddy items and shoes.

Depending on the chosen setting, the battery generally lasts between 15 and 30 minutes. This may not seem like much on paper, but to put it in the context of cleaning – one battery tends to last long enough to clean two cars.

Unfortunately, spare batteries aren’t as easy to come by as they are with other brands such as WORX. This does tend to mean that most people can’t extend the running time by switching out the flat battery for a charged one, which can be useful with these machines.

Pros

  • Well made and sturdy construction
  • Relatively easy to operate with one hand thanks to its lightweight construction
  • Included soap dispenser makes vehicle cleaning very easy

Cons

  • Short battery life at around 15 minutes
  • The pressure is not as high as other portable pressure washers on the market
  • Sourcing a spare battery is tricky

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Yard Force Aquajet Cordless Portable Pressure WasherYard Force Aquajet Cordless Portable Pressure Washer

Best for water flow rate

Power
Performance
Ease of Use
Battery
Value for Money
Overall
4.28
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Yard Force Aquajet Cordless Portable Pressure Washer review

Specifications

  • Pressure (Bars): 22 bar
  • Water Flow Rate: 4.5 L/min
  • Battery Life: 10 – 20 mins
  • Weight: 3.7 kg
  • Charging Time: 1 hour
  • Spray Speeds: 2
  • Spray Patterns: 3
  • Hose Length: 6 m
  • Water Tank: No

If you’re after a washer that will cut through dirt on decking and paving, this Yard Force Aquajet Cordless Portable Pressure Washer produces a jet which is more than suitable for cleaning off general grim that has accumulated around the house.

There are a few different settings to choose from, including an eco-mode which can help extend the life of the battery. Of course, using the eco setting reduces the power-output of the washer, but it still produces a good spray that is suitable for hosing down a muddy bike or recent dirt on the car.

Otherwise, the higher setting produces 22 bars of pressure and will sweep away dirt on the patio or decking, with a 20 V battery that lasts for around 10 – 20 minutes. There are some useful features, like the 3-in-1 jet nozzle which allows you to change between a wide, fan-shaped jet, a turbo spray, and a low-pressure mode, but, arguably this washer does have the shortest battery life of the machines featured here.

Whilst not very suitable for longer cleaning jobs, a host of accessories do come included to help speed through the tasks you choose to tackle. Having the right tools for the job at least helps this pressure washer be as efficient as possible during the time the battery lasts, and there is a detergent-bottle and brush attachment included to speed cleaning along.

It can also be connected to a standard garden hose, as well as having the ability to draw water from a bucket or water butt, which can help make the jet slightly more powerful when used around the home.

Pros

  • Quiet to operate - suitable for an early morning car clean!
  • Replacement parts very easy to source
  • Charging level indicator so you know when your pressure washer is ready to use
  • Precise cleaning is easy thanks to the 3-in-1 jet nozzle

Cons

  • Short battery life of 10-20 minutes
  • Some of the parts feel a little flimsy
  • Slightly tricky to switch between modes
  • Not enough power for tougher cleans

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WORX Hydroshot Portable Pressure WasherWORX Hydroshot Portable Pressure Washer

Best for versatility

Power
Performance
Ease of Use
Battery
Value for Money
Overall
4.28
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WORX Hydroshot Portable Pressure Washer review

Specifications

  • Pressure (Bars): 22 bar
  • Water Flow Rate: 2 L/min
  • Battery Life: 15-30 mins
  • Weight: 1.65 kg
  • Charging Time: 5 hours
  • Spray Speeds: 2
  • Spray Patterns: 5
  • Hose Length: 6 m
  • Water Tank: No

Being able to use your pressure washer anywhere, despite not having access to an outside tap or mains-power plug, is a real game changer. One of the best cordless portable pressure washers available is Worx’s WG629E Hydroshot; it’s super lightweight and easy to transport, with a jet that can clean off the car and unclog gutters.

All that is required is a bucket of water, or even a water bottle, to blast dirt off surfaces anywhere; it runs off a battery so there are no cords or cables to contend with, or trip over, either.

At just 1.65 kg, this extremely light, compact machine can even be transported in the car if necessary. If you’ve ever spent time trying to wash off muddy wellies or bikes with a bottle of water, before putting them back into the car, this pressure washer offers a solution that is sure to keep seats clean.

The 6 m hose links the Hydroshot to your chosen water source, and is actually quite a substantial length; when cleaning a car you can generally do an entire side without moving the water (most small cars are around 3 – 4 m long), which means less stopping and starting.

Enough power is provided to sleuth dirt off paving and driveways, with 22 bars of pressure powered by a WORX 20 V battery. WORX batteries are actually interchangeable as well, so if you have any other WORX 20 V tools then you can have one battery charging as you work, and then swap them over.

In general, this is a good tactic to employ if you can, because the battery life does somewhat let this power washer down. When used on its high-power mode, the battery may only last for 15 minutes. There are two power modes to choose from, and the low power option (which acts more like a low-pressure hose) is still useful for cleaning fresh dirt, but if you’re hoping the achieve the pressure-level that we generally associate with ‘power washers’, you’ll need to be using the highest setting.

Much like a standard garden hose, this pressure washer also comes with a rotatable head that can switch between 5 different spray settings. These offer a little bit more flexibility as you can choose between a fine mist or a stronger jet, depending on whether you’re gently cleaning muddy paws, or tackling grubby patio furniture.

Pros

  • Can draw water from any source making it incredibly versatile. Use buckets, ponds, bottles or tanks
  • Weighs just 1.65kgs so easy to use around your property
  • 5 spray angles to choose from depending on the task at hand
  • Very easy to switch between modes which will save time
  • Low pressure mode is suitable for cleaning muddy pets

Cons

  • The battery life is disappointing, may last just 15 minutes depending on the mode you are using
  • Charge time is a long 5 hours
  • Not as powerful as mains powered pressure washers
  • Only really suitable for light dirt, heavier grime may still need scrubbing by hand

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Wesco Cordless Portable Pressure WasherWesco Cordless Portable Pressure Washer

Best budget portable pressure washer

Power
Performance
Ease of Use
Battery
Value for Money
Overall
4.26
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Wesco Cordless Portable Pressure Washer review

Specifications

  • Pressure (Bars): 22 bar
  • Water Flow Rate: 2 L/min
  • Battery Life: 30 mins
  • Weight: 3.14 kg
  • Charging Time: 5 hours
  • Spray Speeds: Adjustable
  • Spray Patterns: 5
  • Hose Length: 6 m
  • Water Tank: No

When it comes to cleaning, there is a certain amount of satisfaction gleaned from having one tool which is versatile enough to be used for a lot of different jobs. Cleaning the car? Check. Hosing down grubby patios? Tick. Washing grime off the windows? Yup. Sleuthing dirt off muddy paws before they trample all over your clean car seats? Definitely!

The Wesco Cordless Portable Pressure Washer lends itself well to tacking these different jobs thanks to its five spray patterns, ranging from a refined jet to a light spray mist. The mist mode is light enough to water plants, which gives an indication of the power range on this washer.

Without knowing the inner workings of this machine, it’s hard to know exactly how its 18 V battery achieves such a better run time than other similar models, but it can last for around 30 minutes which is almost twice as long as many equivalent pressure washers. It doesn’t seem less powerful though, still pushing out 22 bars of water pressure on its highest setting to successfully clean dirt and mud.

The 6 m hose is a decent length for moving the washer around whilst drawing water from a bucket or similar source. It can be used quite effectively for cleaning cars, or bigger vehicles like caravans, without having to move the bucket too much times or being cut off by the battery running out.

Plus, as mentioned, this washer has the added benefit of having a light enough spray to water plants. So instead of getting the hose out to water that one flowerbed at the end of the garden, you can save a lot of time by simply taking this washer and a bucket of water down there instead.

Pros

  • Longer run time than others on the market at around 30 minutes
  • Spray size easy to adjust with a simple rotation - no need to switch nozzles
  • 6 m hose long enough for a range of outdoor tasks
  • Safety button ensures you can’t accidentally turn it on

Cons

  • Long charge time of around 5 hours
  • Uses a lot of water so a large standing water source is needed
  • Can be used to clean cars but won’t blast away stubborn dirt and grime

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Kärcher OC3 Portable Pressure WasherKärcher OC3 Portable Pressure Washer

Best with water tank

Power
Performance
Ease of Use
Battery
Value for Money
Overall
3.96
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Kärcher OC3 Portable Pressure Washer review

Specifications

  • Pressure (Bars): 5 bar
  • Water Flow Rate: 2 L/min
  • Battery Life: 15 mins
  • Weight: 2.78 kg
  • Charging Time: 3 hours
  • Spray Speeds: 1
  • Spray Patterns: 1
  • Hose Length: 2.8 m
  • Water Tank: Yes

Using a washer with a portable water source is all well and good, but it’s easy to see where there could be a flaw in this design… namely, we don’t always carry buckets of water with us wherever we go. Picking up on this fact, Kärcher have designed this OC3 Portable Pressure Washer with a removable 4 L water tank that can be kept filled, ready for use.

The whole unit is a lot more compact than the other pressure washers featured here, with the spray gun and narrow spiral hose all housed on the cube-shaped base. The appearance is not dissimilar to a small cool-box and, measuring 28 x 23 x 20 cm, it can easily be put in the boot of the car until needed.

Thanks to the included water tank, it’s extremely practical for taking on camping trips or using outside of the house; there’s only one unit to transport, instead of needing to carry and remember several different components.

Whilst it’s certainly more practical to transport than other washers, it does provide less pressure. Essentially, this model is well suited for the function of hosing down bikes and dirty wellies, but isn’t necessarily cut out for trying to remove heavy grime from the patio.

Working at a low 5 bars of pressure, it’s efficient but gentle. A separate cone spray can be purchased to clean sensitive areas, including dog paws, whilst the standard nozzle produces a flat spray that will wash away recently splashed mud.

Pros

  • Parts can be stored underneath the removable water tank for easy storage and portability
  • Suitable for low pressure tasks such as dog and bicycle cleaning
  • Tank can be filled with warm water for pet washing

Cons

  • Relatively noisy to operate although quieter than mains powered pressure washers
  • No detergent attachment unlike others on the market
  • Gets through water quickly - the water tank will empty before the battery
  • Just one spray setting and mode

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Things to Know Before Buying a Portable Pressure Washer

Portable pressure washers can really help make life a lot easier (and cleaner!).

They’re great for taking with you in the car: hosing down muddy wellies and bikes before loading them into the boot after a day in the country.

Not only that, by they can work wonders on jobs around the home too. Car cleaning, patio furniture washing, and patio clearing can all be done much more effectively with a pressure washer.

There are a few things to bear in mind if you’re looking at buying a portable pressure washer. Here are a few things to consider, to help you make an informed purchase:

Intended Purpose in Your Household

This is something important to consider when it comes to portable pressure washers – what do you want to use it for?

There’s no point spending big money on a pricey machine with bells and whistles if you just want to hose off your dog. That said, if you want to wash your car on the street then you’ll need something bigger with more oomph.

Once you’ve figured out what the purpose of your pressure washer will be, consider the number of times you’ll use it. (Although, bear in mind, it’ll probably be more often than you think! They’re so handy without mains cables that you’ll be whipping it out every time a bird poos on the fence!)

Once-a-month use means you can go with a slightly cheaper option. You may not mind if it’s not quite as ergonomic or practical. However, if you plan to use it regularly, say every week, you need to make a bit of investment in quality.

Overall, choose the best cordless portable pressure washer you can afford and follow the care instructions because these will extend its life. Pay particular attention to the advice about charging – overheating a battery does it no favours, and it may benefit from being charged before it has 100% run down.

Ease of Use

The great thing about portable cordless pressure washers is that they are easy to use. There are no cables to worry about, or that nagging feeling that mixing water with electricity isn’t safe.

It’s their size that makes them simple to use. Standard mains power pressure washers are often heavy and cumbersome, but little handhelds like the  Worx Hydroshot or the  Karcher KHB are lightweight and simple to bring out in an instant.

Think about your needs before buying. If you need to clean the car but have no outside plug or tap then the  Bosch Fontus is a great option – it holds loads of water and will last long enough to complete the job.

If you want to take your pressure washer in the car, and hose down your mountain bike or dog after a day of fun in the great outdoors, consider a smaller model which can be transported easily.

Remember, if it isn’t quick and simple – you won’t use it. Ease of use is really important.

You should also look for a portable pressure washer that has a simple gun and various attachments. This will make it more versatile and mean you can clean different things easily. A fine mist, pulsating jet and pencil jet are really helpful.

Consider the Battery Life

Battery life is something you must consider with portable pressure washers. There’s no way they can compete with petrol or mains powered models when it comes to run-time and power. However, they can push out a fair amount of strength and come into their own in certain situations.

Of course, the biggest problem is going to be how long the power will last. Portable pressure washers are battery powered by design and this does mean you’ll have a finite amount of cleaning time.

That said, a re-chargeable lithium battery will last for years if you look after it. They also have much more power than they did a few years ago.

Consider interchangeable batteries too. WORX products work on a range of compatible batteries, so you can use the same one in your drill and your pressure washer. If you have any products from a particular brand already, it’s worth checking if their batteries are interchangeable. You can charge one whilst using the other. This is a handy feature because often battery life is short with portable pressure washers.

That said, the Bosch Fontus cordless pressure washer runs for an hour on an 18 V battery with 15 bars of pressure. It’s the longest running battery powered pressure washer I’ve found.

Choosing the Right Water Pressure

Too little pressure and the job takes hours, too much pressure and you can damage paintwork and pointing. Pressure is all-important when you’re trying to choose the best portable pressure washer.

By nature, cordless pressure washers have lower bar pressure than electric and petrol ones. A battery just can’t compete with mains power, but ‘low’ bar pressure isn’t useless. By no means!

Consider the WORX model for example. It has a maximum of 22 bars which WORX says is equivalent to 10 times that of garden hose. Considering garden hoses aren’t drips, the resulting power from this portable pressure washer is still very impressive and useful!

The lower bar pressure you get from cordless portable pressure washers is best for lighter jobs like washing cars, glass, bikes and pets. Save high-pressure electric models for patios and concrete.

Another thing to consider is that low pressure just means it takes longer to get the job done, not that it can’t do the job at all!

Ease of Transportation

Dragging a pressure washer around is a pain. When you’re in the market for cordless pressure washers the best ones are light and compact. Even better if all their accessories, nozzles, water tanks store ‘on board’ the unit.

For example, the Bosch Fontus is bulkier than some models, but stores all its necessities, including the water, onboard. As a result, there’s nothing else to think about when using it, apart from bringing that one unit with you. However, being bulkier, it may not seem quite as easy just to chuck it in the car and bring on the road.

The Karcher OC3 neatly stores the pipe under the water tank so it’s also pretty compact.

Smaller handheld cordless pressure washers can’t store everything in one unit, so you need to factor in a water source and how to transport the hosepipe and accessories.

It’s not a big deal but if you’re pushed for space have a think about it. You can buy a jerrycan for a few pounds to store water in, and a clip box can keep the accessories from rolling around in the car boot. So there are solutions!

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Cordless Portable Pressure Washer FAQs

I don’t have an outside tap or hose – can I use a pressure washer?

Yes. The excellent thing about portable pressure washers is that you don’t need to connect them to a constantly flowing water source. With a portable pressure washer you either fill up the unit’s water tank, or rest its hose in a body of water (bucket, water bottle, lake, etc.). So you can easily use a portable pressure washer if you don’t have an outside tap or hose.

Can I use my portable pressure washer in the winter?

You can use your pressure washer if the temperatures are above freezing. Don’t leave the machine outside for long as it may get too cold. If temperatures are likely to fall below freezing after you pressure wash, you should make sure to dry the surfaces that you have cleaned (particularly if you cleaned your car) thoroughly.

Can I wash down my dog with a pressure washer?

Be careful when giving your dog a bath with a pressure washer. I would only advise using some of the less powerful power washers on their lightest setting. Test the spray on your hand first, you’ll be able to tell if the jet is too strong or not. Portable power washers are good because they’re not as powerful, and you can put warmer water in the water tank so that you don’t have to give your dog a cold bath. They’re also great for washing muddy paws with at the end of a walk before getting back into the car.

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Sources

  1. “Flow Rate is Key When Choosing A Pressure Washer”goodway.com
  2. “Pressure Washer Safety”cdc.gov

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