Ryobi 18V ONE+ HP Whisper 12" Chainsaw

Ryobi / Battery / Homeowner

Ryobi 18V ONE+ HP Whisper 12" Chainsaw

30cc class (by bar)
18V
4 Ah pack
12 in
cuts to about 10 in
6.4 lb
tool only, without battery
~$249
approx., kit with 6.0Ah battery and charger
See it at Ryobi

Price and availability on Ryobi's site may differ.

The Whisper Series 12-inch is the chainsaw distilled to its most convenient form: an 18V ONE+ tool light enough to feel like a big pruner, quiet enough that Ryobi built the marketing around it, and compatible with the batteries half of American garages already own. At $249 for the kit — much less as a bare tool — it exists for pruning, storm-limb cleanup, and breaking down small logs, and owners consistently describe it as the saw that actually gets grabbed because there's zero ceremony: click a pack in and cut. The physics are the honest limit: 18 volts through a 12-inch bar is a light-duty proposition, sustained cuts in hardwood drain packs quickly, and anything beyond ~8-inch wood belongs to its 40V sibling. As a second saw for trim work, or a first saw for a small yard, the convenience-per-dollar is unmatched; as an only saw for real firewood, it's the wrong tool and doesn't pretend otherwise.

Best for: ONE+ owners with small yards who want a zero-ceremony saw for pruning and light cleanup.

Specifications

Engine class
30cc class (placed by shipped bar length)
Single-pass cut
about 10 in (bar minus 2)
Chain
3/8" low-profile pitch / .043" gauge
Weight
6.4 lb, tool only, without battery
Power type
Battery
Use case
Homeowner
Warranty
3-year tool
Model
P2570

Manufacturer figures except the engine class and single-pass cut, which are derived here. What each spec means

  • 6.4 lb ONE+ convenience
  • Whisper-quiet operation
  • The grab-it-daily saw

What owners like

  • Extremely light and maneuverable for trim work
  • Whisper Series is quiet enough for dense-neighborhood mornings
  • Runs on the ONE+ packs owners already have — bare tool is cheap
  • Brushless HP motor is surprisingly willing in soft wood

Common complaints

  • 18V ceiling is real — hardwood over ~8 inches is a slog
  • Sustained cutting drains packs fast
  • 12-inch bar limits it to pruning-class work
  • Small oil reservoir needs frequent topping
  • Kit price overlaps the far more capable 40V saw

Questions owners ask

How quiet is the Whisper Series really?

Quiet enough that Ryobi built the marketing around it — owners use it in dense neighborhoods on weekend mornings without complaints, and it's a fraction of the racket of any gas saw. Between the noise level and the 6.4 lb bare weight, it's the definition of a zero-ceremony, grab-it-daily saw.

What can an 18V chainsaw realistically cut?

Pruning-class work: limbs, saplings, and small cleanup wood. The 18V ceiling is real — hardwood over about 8 inches becomes a slog, and the 12-inch bar keeps expectations honest. The brushless HP motor is surprisingly willing in soft wood, but this is a big pruner in spirit, not a tree-felling tool.

Which ONE+ battery should I run it with?

Any ONE+ pack works, which is the whole appeal — the bare tool is cheap because half of American garages already have the batteries. Sustained cutting drains packs fast, so use a 4.0Ah or larger for real sessions and keep a second pack cycling on the charger for bigger cleanup days.

Anything to watch on the oiler?

Just the reservoir size — it's small and needs frequent topping up, so make checking it part of your routine before each session. Otherwise maintenance is essentially chain tension, chain sharpness, and bar oil; there's no engine to service.

Should I get this or Ryobi's 40V 14-inch saw?

The kit prices overlap, and the 40V RY405100 is far more capable in actual cutting. Buy the Whisper for what it uniquely offers — minimum weight, minimum noise, and batteries you already own — if your work is genuinely pruning-scale. If you'll ever cut a downed tree of any size, the 40V saw is the better spend.

Compare the Ryobi 18V ONE+ HP Whisper 12" Chainsaw

Nearest alternatives

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Milwaukee M12 Fuel Hatchet 6" Pruning Saw Kit

Milwaukee / Battery

~$269

Milwaukee M12 Fuel Hatchet 6" Pruning Saw Kit

30cc class (by bar)
12V
pack
6 in
bar
4.1 lb
bare

Line-clearance, utility, and orchard crews who need a one-hand pruning saw on the M12 platform rather than a chainsaw.

Arborist
DeWalt 20V Max 8" Pruning Chainsaw Kit

DeWalt / Battery

~$229

DeWalt 20V Max 8" Pruning Chainsaw Kit

30cc class (by bar)
20V
pack
8 in
bar
4.6 lb
bare

20V Max owners who want a light one-hand saw for pruning, limbing, and storm tidying rather than a full chainsaw.

Arborist

Sources for this entry