Shark ION F80 Cordless Stick Vacuum Review (IF281) - Best Battery Life!

December 11, 2018



Shark Ion F80:
Shark Ionflex 2x:


Our Favorite Vacuums:
See all the vacuums we recommend on our Amazon Shop Page (the best of the best):


Continuing with our series on the new Shark vacuum lineup, it’s time to review the Shark F80

Multiflex cordless vacuum which, depending on how you look at it, has the longest battery life

of any cordless vacuum I know of. So, links above, and let’s get started.


So, the new Shark F80 is basically the upgraded version of the Shark Ionflex 2x which we have reviewed in the past.


The F80 has many of the same features as the Ionflex including the Duoclean technology, LED lights on the nozzle, and the multiflex feature, which is a flexible wand activated by a button to vacuum under furniture without bending over. It also acts as a way to conveniently store the vacuum when not in use.  Attachment packages can vary, but mine came with a crevice tool, an upholstery tool, a car detailing crevice tool/dusting brush, a charging dock, and two Ion battery packs.


It has a low and a high power, with the high power being on a one-minute timer which is new. You can also flip a switch to change from carpet to hard floors, which changes the suction and brush roll speed.


Alright, so let’s get into the pros.


Subscribers of our YouTube channel know I love the Duoclean technology, which is an innovative cleaner head design which incorporates a soft roller which makes it amazing for hard floors as well as standard brush roll for carpet agitation.


With duoclean, to touch it is to vacuum it, and it’s why we use Duocleans with our cleaning business. Quite simply, Duocleans can pick up things other vacuums just can’t. This is mostly evident with large debris on both hard floors and carpets, but its performance with the fine dust is also well above average for vacuums of any type.


And it does all this while retaining one of the best seals on hard floors and carpet, which is evident from its top 5% performance on the crevice pickup test.


It’s also a magnet for pet hair on hard floors and carpet, but its agitation is pretty good for a cordless vacuum, doing quite well with the fine debris on carpet. 


I should also mention that all of these tests were done in both low and high power, and I honestly found no instances where high power was strictly needed since the Duoclean nozzle relies less on airflow than other cordless vacuums but rather on the mechanics of the floor head.


Another big pro is its battery life, and this is also where the biggest change from the previous Ionflex cordless vacuums comes in.


So, despite the exact same battery being used with Ionflex, Shark has increased the battery life by adjusting the power of each setting for the F80.


For example, Shark has reduced its power on low power to 24 cfm at the wand which now matches the Dyson V10 on its low power setting, giving it 43:32 minutes per battery on suction only attachments for a whopping 87 minutes total or 28:34 per battery (57 minutes total) on low power with the cleaner head attached and 13:31 per battery or 27 minutes total on high power with the cleaner head, which is pretty good even before you factor in the extra battery. But, as you can see, it also makes the Shark F80 the best cordless vacuum for battery life that we have tested yet.


I should also mention that its power on high power is pretty significant, reaching 84 inches of suction and 38 cfm of airflow at the wand, which is above average for cordless vacuums on both counts.


I initially thought the Multiflex feature was just a gimmick, but I do find that it’s intuitive and helpful for getting under beds and other furniture and I do actually use it.


The bin size is kind of a pro as it is just a little above average at 2 ¾ cups. This is compared to the Dyson V8 at 2.5 cups, which I consider the average amount. I liked how springily the bin release was, but, like other cordless vacuums, you do occasionally have to fish out stuck debris, but not quite as much as other cordless vacuums.


So, let’s move on to the cons.


It’s pretty minor, but, although the weight of the handheld unit is basically the exact same as the Dyson V8 (which I consider to be light), its weight distribution is not quite as good, and it’s a little more tiring on the arm in handheld mode—at least, with the wand attached.


And while I consider it very easy and lightweight on hard floors, on carpet the Duoclean roller does have a tendency to act like a self-propelled vacuum, which takes additional energy to keep pulling back, though I did notice that this effect almost completely goes away on its low power setting on carpet, which is a good change from the previous version.


The last con is that it’s the only Shark vacuum I know of, besides the other Ionflex and Rocket models, that does not have a HEPA filter. If you want a Shark Cordless with a sealed system and a Hepa filter, you would need to upgrade to the new Shark P50, which we have reviewed and really like.


So, the bottom line is this, the Shark F80 cordless vacuum is better than any non-Duoclean cordless vacuum you can get in terms of its pickup ability, and it is also the best you can get in terms of battery life for a cordless vacuum. That being said, it’s not all that different from the Shark Ionflex 2x, which also comes with 2 batteries, The F80 is essentially the same vacuum with the same motor, but with its output adjusted slightly to offer better battery life performance.


I linked  to the F80 and the Shark Ionflex 2x at the top so you can see prices and reviews.


Consider a like or a subscription to Vacuum Wars, and stay tuned as we have one more vacuum from Shark’s new lineup to go before moving on to some competition videos.


Thanks for watching.


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