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⚡ Inflate, Nail, and Go—Power Meets Portability!
The Ryobi R18AC-0 is a lightweight, cordless air compressor featuring a 3.8L tank delivering up to 8.3 Bars (120 PSI) of pressure. Designed for on-the-go inflation and pneumatic tool use, it includes a locking regulator for precise pressure control and onboard metal hose storage. Compatible with Ryobi’s 18V ONE+ battery system, this bare tool offers versatile, portable power for professionals and DIYers alike.












| Air Flow Capacity | 20 Litres Per Minute |
| Asin | B0846KMGDQ |
| Best Sellers Rank | 115,131 in DIY & Tools (See Top 100 in DIY & Tools) 73 in Air Compressors (DIY & Tools) |
| Brand | RYOBI |
| Capacity | 3.8 litres |
| Colour | Grey |
| Country Of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (395) 4.5 out of 5 stars |
| Global Trade Identification Number | 04892210179685 |
| Hose Length | 5 Metres |
| Included Components | [18V ONE+ battery not included] |
| Item Type Name | Cordless Air Compressor |
| Item Weight | 6.4 Kilograms |
| Manufacturer | Ryobi |
| Manufacturer Warranty Description | 3 year manufacturer. |
| Material | Metal |
| Maximum Horsepower | 0.6 Horsepower |
| Maximum Power | 0.6 Horsepower |
| Maximum Pressure | 8.3 Bars |
| Model Name | R18AC-0 |
| Model Number | 5133004540 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Part Number | R18AC-0 |
| Power Source | Battery Powered |
| Recommended Uses For Product | Inflate |
| Sound Level | 54 Decibels |
| Special Features | Cordless |
| Style | Single |
| Tank Volume | 3.8 Litres |
| Unit Count | 1.0 count |
| Voltage | 18 Volts |
User
Tyre inflater
Excellent piece of kit
User
So far, so good!
Great product, not used it fully yet but I have used a blow gun on it to “dust” those places you can’t get at.Tested it with a 16 gauge nailer and it coped with no problem.Waiting on a new tyre inflater but I see no problems with it coping with that ether!If you want a small, very portable air source to blow, inflate or turn your air nailer cordless, this is great. If you want to use power tools or spray then this is not for you.(I do intend to test it with a 1/4 & 3/8 air ratchet to see how it does but I suspect it will not keep up! I wouldn’t even try anything bigger.)Only down point (as far as I’m concerned) is all my tools needed new euro connectors as mine were all British!Runs quite a happily on a 4 amp battery for all I need it to do (so far!)
User
Well made, good concept but not as great as it could have been due to small 3.8L tank
This Ryobi tool was a difficult choice. If you want "on delivery" high pressure compressed air for hours on end, this is not for you. This cordless small "tanked" compressor is the only thing between a 12v corded air compressor or the big tanked mains air compressors.This Ryobi would be the perfect tool if they had given it a 6 litre tank. When I'm inflating tyres (top ups) the 3.8 litre tank is fine for a few tyres but once the tank is empty you are directly using the compressor to pump air into the tyre at the compressors speed, ie much lower than when from the tank.This is the only true "cordless" air compressor on the market...I've searched! and for the money, it's a costly purchase for the DIYer but if you want to daily inflate the odd tyre, without having to take the vehicle to the fixed wall air inflator, this tool is perfect.
User
Pops tubleless bicycle tyre beads with ease!
I bought this for my bicycle shop to inflate tubeless tyres. It does this perfectly, no more do I have to struggle with a track pump. Turn it on, let it build up the pressure then press the trigger and the tyre pops on and inflates to the desired pressure. - It is small and compact so it can be moved around the workshop with ease and gets put away out of the way when not in use. It recommends 5.0ah batteries but I have used this with 2.0ah batteries fine, being able to pump up multiple tyres on one charge. It even did my van and car pressures, topping up with the smaller battery. The quick connect makes it easy to swap between my tyre inflator and blow gun! Highly recommend this to anyone thinking about using it for bicycle tyres. For those wandering Park Tool do a tyre inflator that fits both presta and schrader valves designed to be used with compressors! (INF-2)
User
Mostly good
Dose what it says, as other reviews say couldn't do spray painting, takes up far less space than my 40year old clark 50ltrs mains compressor. but all I really do is check,inflate tyres and use a blow gun which is dose OK, with a 4ah battery it builds up in a reasonable time. I got it on discount not sure if I would have paid full price.Overall happy with it
User
Air on the go.
Bought mainly just to maintain the tyres on our cars and bikes , it’s certainly a lot more convenient to use than to rig up the big air compressor or try to rely on those didy car tyre inflaters .it also works on my Brad nailer which is a bonus.
User
Compressor
Excellent product, portable and powerful
User
Wipes out batteries quicker than Jordan
Great little tool, however such a small capacity means the compressor is always running and you’re never at full power.Absolutely rails batteries, from zero to 150psi is half a 5ah battery.. but boy is it fun!!!
User
Très satisfait
super pratique : pas trop lourd, pression réglable, petite cuve rapide a remplir, ne consomme pas trop la batterie, j'ai longtemps hésité mais je ne suis pas déçu pour le moment. De plus, les accessoires STANLEY c'est très appréciable.
User
Snel
Voor één compressor op accu een makkelijk en snel te gebruiken
User
Funktioniert. Eher für kleinere Sachen
Läuft gut. Durch den kleinen Druckbehälter nur für Sachen mit wenig Volumenbedarf. Zum Wasserschlauch ausblasen muss man mehrfach füllen.Aber man ist mobil.
User
Semplicemente geniale
Ottimo rapporto dimensioni, peso e prestazioni
User
Great unit, well built and enough capable
Really good unit, well built. Doesn't eat into the battery too much. Engine does not have the same power as a cord one but awesome for my needs.Really great if you have other Rioby tools, as you don't need to buy extra batteries.
Trustpilot
2 weeks ago
2 weeks ago