PSBCW01K Ryobi Brushless Battery 8-Inch Chainsaw
Compact Ryobi HP brushless pruning saw cuts branches up to 6 inches. Here's where it earns its keep and where it doesn't.
The PSBCW01K Fits Ryobi HP 18V Brushless 8-inch pruning mini chainsaw is worth buying if your yard work is limbing and pruning, not felling. It runs on the Ryobi brushless battery platform, cuts branches up to 6 inches, and gets over 65 cuts per charge on the included 2.0 Ah battery. Skip it if you need a full-size saw for bigger trunks.
This post contains affiliate links. I may earn a commission at no extra cost to you.
How this review was made: written from my own video review of this product. Every opinion here is my own, from using it myself.
Quick Verdict
8 inches of bar, 6 inches of real cutting capacity. That’s the whole story with this saw: it’s built for limbing and pruning, not for anyone trying to drop a trunk.
Buy if you:
- Already own Ryobi One+ batteries and don’t want another charger on the shelf
- Prune fruit trees or deadwood under 6 inches thick regularly
- Want to skip bar oil mess entirely
- Need to get into tight branch clusters a full-size saw can’t reach
Skip if you:
- Expect it to handle trunks or thick logs, the 6-inch cap is real
- Don’t already have a Ryobi battery and don’t want to buy into the platform
- Need daily all-day cutting beyond what one 2.0 Ah battery can give you
| Bar Length | 8 inches |
|---|---|
| Max Branch Capacity | Up to 6 inches |
| Motor | Ryobi HP brushless, 3X faster cutting |
| Battery Included | 2.0 Ah Ryobi One+ 18V |
| Cuts Per Charge | 65+ |
| Chain Lubrication | Oil-free design |
Why a Tool-Free Chain Still Needs a Wrench Nearby
The listing calls out tool-free chain tensioning, and that’s one of the first things I checked when I unboxed this. On a lot of cheap mini chainsaws you need a screwdriver just to snug the chain before your first cut. Here it’s a dial adjustment, which matters more than it sounds like once you’re thirty minutes into pruning and the chain starts to sag. I’d still keep a wrench in my yard bag for the bar nut itself, but the tensioning part really is as simple as advertised.
The Brushless Motor Is Where the Ryobi Brushless Battery Platform Pays Off
This is a Ryobi HP brushless tool, which puts it in the same performance tier as the Ryobi brushless drill and Ryobi brushless impact driver lines people already know from the One+ ecosystem. Brushless motors run cooler and pull less from the battery per cut than the brushed motors on older Ryobi tools, which is part of how this saw claims 3X faster cutting and 65-plus cuts on a 2.0 Ah pack. If you’re already running Ryobi One+ tools, the 2.0 Ah pack included here will charge on any charger you already own, no new wall wart, no new storage bin. If you’re not in the Ryobi ecosystem, factor in the cost of the battery platform before you buy.
Where This Saw Runs Out of Room
Six inches is the ceiling, not a suggestion. I’m not going to pretend an 8-inch bar saw is going to replace a gas chainsaw for anything beyond pruning and limbing. If you’ve got dead trunks or storm-downed logs thicker than that, this tool will bog down or just can’t physically get through it. It’s also a one-battery tool out of the box, so if you’re doing a full afternoon of yard cleanup, you’ll want a second 2.0 Ah pack or a bigger one charged and ready.
The Compact Size Gets Misunderstood
The 30% smaller footprint isn’t a compromise, it’s the whole point. A full-size bar can’t angle into a branch fork or thread through a tight canopy crotch without ripping surrounding growth. This one can, and the brushless motor means you’re not trading power for that maneuverability. The misconception is thinking smaller means weaker across the board. It’s smaller because it’s built for a different job, not a lesser version of the big saw.
Who This Actually Fits
This is for homeowners doing routine yard maintenance, not arborists or anyone clearing acreage. If you’re trimming fruit trees, cleaning up deadwood, or doing the kind of pruning that used to mean fighting with loppers, this earns its spot in the shed. This isn’t the saw that shows up first when you search “mini chainsaw” on Amazon, it’s a platform-specific pick for Ryobi One+ owners who already know what they need. If you’re not already in the Ryobi ecosystem, you’ll find more competition at this price point. If you are, there’s no reason to look elsewhere.
Pros
- Brushless motor delivers 3X faster cutting per the listing
- Oil-free design means no mixing or leaking bar oil
- Tool-free chain tensioning dial is simple to use
- 30% more compact than standard Ryobi saws, fits tight branch forks
- Runs on the same Ryobi One+ battery as the rest of the lineup
Cons
- 6-inch branch cap means it’s useless for trunks or heavy limbing
- Comes with only one 2.0 Ah battery, which limits all-day use
- Not a replacement for a gas chainsaw if that’s what you’re shopping for
Frequently Asked Questions
Can I use batteries from my other Ryobi tools with this saw?
Yes. This runs on the Ryobi One+ 18V platform, the same batteries that power the Ryobi brushless drill, impact driver, and other One+ tools. Any charged 18V One+ pack works, not just the 2.0 Ah one included.
How do I maintain the chain since there’s no oil reservoir?
The oil-free design means less maintenance than a traditional gas saw, but you’ll still want to check chain tension periodically with the tool-free dial. Replacement chains for an 8-inch bar are widely available since that bar length is common across mini chainsaw brands.
Is this saw strong enough to replace a gas chainsaw for occasional tree work?
No, not for anything beyond 6-inch branches. If you’re felling trees or cutting thick trunks, you still need a full-size gas or larger battery chainsaw. This is built specifically for pruning and limbing jobs.
Clicking takes you to Amazon. As an Amazon Associate we earn from qualifying purchases — pricing and availability subject to change.
Get it now
Ryobi HP Brushless 8″ Pruning Mini Chainsaw
Get the best price on Amazon →Affiliate link. See the disclosure at the top of this post.
