ONEFINSH Cordless Paint Sprayer for Ryobi 18V Battery, Handheld HVLP Paint Gun with 3 Spray Patterns & 4 Nozzles, Ideal for DIY Projects, House Painting, Furniture & More (No Battery Included)

The ONEFINSH Cordless Paint Sprayer is a portable HVLP finishing gun engineered specifically for owners of Ryobi 18V power tool systems. By tapping directly into existing Ryobi batteries, this tool eliminates the hassle of dragging extension cords across lawns, around workbenches, or through living areas. It is designed primarily for DIY hobbyists, craft makers, and homeowners tackling light to medium refurbishing jobs.

At the core of the sprayer is a 160W brushless motor paired with High Volume Low Pressure (HVLP) mechanics. This combination pushes paint at high air volume with reduced pressure, which helps deliver a consistent, uniform coat while significantly cutting down on airborne overspray. Minimizing excess spray keeps your working area cleaner and ensures that more of your material actually lands on the workpiece, saving both paint and cleanup time.

Versatility comes from the nozzle and pattern configurations. The sprayer includes four copper nozzles in 1.0mm, 1.8mm, 2.5mm, and 3.0mm diameters, providing suitable options for thinner stains and varnishes as well as thicker water-based paints. Paired with three switchable spray directions (circular, horizontal, and vertical), you can tailor the output to match flat cabinet faces, slender chair spindles, or broad fence pickets without switching tools.

A major factor in any paint sprayer's longevity is maintenance, and this model addresses upkeep with a fully detachable structure. The package includes dedicated cleaning tools, such as a wire brush and a clearing needle, along with a viscosity measuring cup, ten paint filtering funnels, protective gloves, and masking film to keep prep work orderly.

There are practical limitations to keep in mind. The tool ships without a battery or charger, so you must already own compatible Ryobi 18V packs like the P102, P108, or PBP006. Additionally, the manufacturer positions this model for smaller items like doors, toys, chairs, and benches rather than large exterior house walls, and the listing does not state the paint cup volume.

Verdict: The ONEFINSH Cordless Paint Sprayer is an ideal companion tool for DIYers who already run Ryobi 18V batteries and want an agile, cord-free sprayer. Its multiple copper tips and HVLP design make it a capable pick for furniture refinishing, craft painting, and minor home updates.

• Motor Type: 160W brushless motor
• Technology: High Volume Low Pressure (HVLP)
• Power Source: Ryobi 18V battery (not included)
• Battery Compatibility: P100, P102, P103, P104, P105, P106, P107, P108, P109, P197, P192, PBP006, and more
• Nozzle Sizes: 1.0mm, 1.8mm, 2.5mm, 3.0mm (copper)
• Spray Patterns: Vertical, horizontal, circular
• Supported Coatings: Water-based paint, stains, varnishes
• Included Accessories: 4 nozzles, cleaning brush, cleaning needle, viscosity cup, 10 filtering funnels, masking film, gloves, manual

A great fit if you:

• Already own Ryobi 18V batteries and want a cord-free paint gun for small or medium household renovations.
• Need to spray various finishes like stains, sealers, and water-based paints across furniture, chairs, cabinets, or pet houses.
• Value having multiple nozzle diameters and adjustable spray geometries to handle both detailed work and wider surface passes.

Consider something else if you:

• Do not already own compatible Ryobi 18V lithium-ion batteries and chargers, since neither is supplied in the box.
• Intend to spray large-scale structural siding or full exterior homes that demand industrial, high-volume capacity sprayers.

Confirm on the listing:

• Check whether your existing Ryobi battery models are on the compatibility list, such as P102, P108, P197, or PBP006.
• Check that your project materials match the supported liquids, specifically water-based paint, wood stains, or clear varnishes.
• Check the product listing images to inspect the container shape, as the specific liquid volume capacity is not listed in the text.
• Confirm you have your own Ryobi battery charger accessible, as the tool arrives without charging gear.

How to compare your options: Focus on motor technology and nozzle construction. This model features a 160W brushless motor and durable copper nozzles across four sizes, which offer distinct advantages over single-nozzle designs. Ensure that cordless mobility aligns with your workspace needs, as standalone bare tools offer excellent value primarily when you are already invested in the matching battery ecosystem.

Prepare your paint carefully before filling the container. Use the included viscosity cup to assess fluid thickness according to the instruction manual, and pour the liquid through the provided filtering funnels to catch clumps that could clog the tip.

Select the nozzle that matches your project scale. Use smaller nozzles like the 1.0mm or 1.8mm for thin stains and precision hobby items, and step up to the 2.5mm or 3.0mm nozzles for broader coatings on doors, cabinets, and outdoor benches.

Shield neighboring surfaces before you begin by laying down the included adhesive masking film and putting on the supplied gloves for cleaner handling.

Clean the unit immediately after every painting session. Take advantage of the detachable design to disassemble the front components, clearing residue from passages using the included cleaning needle and brush so dried paint does not block future use.

Does this paint sprayer include a battery and charger?
No, this is a bare-tool sprayer. It requires a compatible Ryobi 18V battery (such as P100, P108, P192, or PBP006) and a standard Ryobi charger, which must be purchased or supplied separately.

What types of finishes can be sprayed through this tool?
The manufacturer states that this sprayer works great with water-based paint, stains, and varnishes on surfaces such as furniture, doors, windows, desks, cabinets, and fences.

What nozzle sizes come inside the box?
The kit comes with four copper nozzles measuring 1.0mm, 1.8mm, 2.5mm, and 3.0mm, allowing you to tailor the output flow to different coating thicknesses.

What spray patterns does the gun support?
The tool offers three adjustable patterns: vertical for side-to-side sweeping, horizontal for up-and-down passes, and circular for targeted spot spraying.

How large is the paint holding cup?
The product features list does not state the exact fluid capacity of the paint container. Check the seller listing images or product specifications directly to confirm cup volume.