Cordless Hedge Trimmer Blade Length and Voltage, by Hedge Size

The number that answers the bogging-down question

The question behind this guide is whether a trimmer slices through a mature stem or stalls halfway, and the voltage printed on the battery does not answer it. The figure that does is the manufacturer’s maximum cutting capacity, sometimes called the blade gap: the widest branch the teeth are spaced to accept. In this group the ordering has little to do with voltage. The 40V Ryobi RY40660VNM publishes the widest gap at 1-1/2 in. The DeWalt DCHT870B, on a 60V MAX pack, publishes 1-1/4 in. The 56V EGO HT2601 publishes 1.2 in. The 18V Milwaukee 2726-20 publishes 3/4 in, and the 56V Echo DHC-2800 publishes no capacity figure in its own specification table.

Read that list against your hedge rather than against the voltage column. A stem wider than the published gap is outside what the manufacturer rates the tool to cut, whatever the battery behind it. So the first job is to look at the oldest growth in the hedge, decide the stem diameter the trimmer has to handle, and strike out any model whose published gap is smaller. For a hedge that is mostly thin growth with a few thick old stems, the choice is between buying the gap that covers those stems or taking them with a different tool and sizing the trimmer for the rest.

Where no figure is published, as with the Echo, you cannot make that check. That is why it scores low on cutting capacity here despite its other published strengths. The score records a gap in the documentation, not a measured shortfall.

What voltage does and does not tell you

Voltage describes the battery platform, and the honest number is the rated or nominal one rather than the marketing maximum. DeWalt’s page states that 60V MAX is measured without a workload and that the nominal figure is 54V. Echo publishes its eFORCE pack as 56V with a 50.4V rating. EGO publishes 56V for its ARC Lithium pack without a separate nominal figure on the page retrieved. Ryobi publishes 40V and Milwaukee 18V. Once you line up the rated figures, the three high-voltage tools sit within a few volts of each other and the Ryobi and Milwaukee sit well below.

What the platform figure does predict is which batteries fit. The DeWalt runs on FLEXVOLT 20V/60V MAX packs shared with DeWalt’s other 60V outdoor tools. The Milwaukee shares M18 packs with more than 200 tools in that system, per Milwaukee’s page. If you already own packs on one of these platforms, that is a real reason to shortlist the matching trimmer, and the same logic applies to cordless chainsaws and string trimmers on the same platforms.

What voltage does not predict, on the evidence here, is the published cutting capacity. Treat voltage as a platform decision and a rough indicator of the pack behind the motor, and read cutting capacity separately.

Blade length for a tall hedge

Four of the five trimmers publish blade lengths within a narrow band: 26 in for the EGO, DeWalt and Ryobi, 24 in for the Milwaukee. The Echo stands apart at 28.1 in (714 mm).

Longer blade, fewer passes along a hedge face: that part is arithmetic. The other side of the trade is that the extra length sits at the far end of the tool, where you have the least control at full reach. EGO publishes a carbon fiber rail, which it calls an industry first and backs with a lifetime warranty if the tool is registered within 90 days of purchase, but that is a published feature, not a published weight.

For a hedge that is tall rather than thick, orientation matters alongside length. EGO publishes a five-position handle that rotates through 180 degrees, and DeWalt a wrap-around auxiliary handle for working at different angles. Both are published features for changing how the tool sits in your grip, which is the issue on the top and far face of a tall hedge. Hedge height beyond what you can reach is outside what any of these specifications addresses.

Runtime depends on which battery the figure assumes

Two of the five manufacturers publish a runtime tied to a named battery: the EGO at up to 60 minutes on a 2.5Ah pack and the Ryobi at up to 29 minutes on a 2.0Ah pack. That is just over a two-to-one difference on the manufacturers’ own figures, and on an overgrown hedge where every stem needs a full cut, it is the difference between finishing in one session and stopping to charge.

Milwaukee publishes up to 2 hours per charge, the longest figure in the group, but the 2726-20 is a bare tool, and the page names the M18 REDLITHIUM HIGH OUTPUT XC8.0 as a compatible pack. Whether you see two hours depends on which M18 battery you own or buy. DeWalt publishes no runtime for the DCHT870B, also sold bare on the listing researched. Echo publishes no runtime for the DHC-2800R1.

Bare tool or kit: compare like with like

Three of the five products arrive ready to cut: the EGO HT2601, the Ryobi RY40660VNM and the Echo DHC-2800R1 all bundle a battery and charger. The DeWalt DCHT870B and the Milwaukee 2726-20 are bare tools. A kit version of the DeWalt, the DCHT870T1, bundles a DCB606 FLEXVOLT battery and DCB115 charger.

This matters beyond the obvious extra purchase. Runtime cannot be compared until you know the pack. Weight with battery installed, which no manufacturer in this group publishes anyway, changes with the pack you choose. And warranty terms split: EGO publishes a 5-year limited tool warranty and a 3-year limited battery warranty; Ryobi publishes 5 years on the tool and 3 on the battery; DeWalt publishes a 3-year limited warranty with 1 year of free service and a 90-day satisfaction guarantee on the bare tool. Buy a bare tool and a battery separately and the battery carries whatever terms came with it, not the trimmer’s.

For a buyer who owns no batteries on any of these platforms, the kits are the honest comparison set: EGO, Ryobi and Echo. For a FLEXVOLT or M18 owner, the bare tools become the sensible shortlist, and the battery already in the garage sets the runtime.

When the shorter, lower-voltage trimmer is enough

The Milwaukee 2726-20 is the tool this guide was written to test against: the shortest blade at 24 in, the lowest-voltage platform at 18V, and the narrowest published gap. For the buyer this guide weights for, that last figure settles it. A hedge with mature stems wider than three quarters of an inch is outside what Milwaukee publishes the tool to cut, and no stroke rate or weight figure is published to argue otherwise.

It is a different proposition for shaping growth already within that gap. Milwaukee publishes a POWERSTATE brushless motor, a slider-crank mechanism with an all-metal gear case, and compatibility across the M18 system. An M18 owner maintaining a hedge of thin growth has a published case for it.

Between the Ryobi and the two high-voltage kits, the trade is sharper than the voltage suggests. The Ryobi ships complete, with the same published warranty terms as the EGO. What you give up is a published stroke rate, which Ryobi does not state, and the shorter published runtime on the included battery. If your overgrown hedge is short enough to finish inside half an hour, or you will add a second 40V pack, the Ryobi’s published figures cover the thick-stem case as well as anything here. If it is long as well as thick, the EGO’s published hour is the figure that keeps you cutting.

Three features that do not appear on most spec sheets

EGO publishes an IPX4 rating for the HT2601. Ryobi’s listing names a HEDGESWEEP debris remover that clears clippings while trimming. Echo publishes a 2-speed brushless motor with a variable speed option, a 6.86 gear case ratio, and RazorEdge double-sided blades with three sharpened edges. None of these decides the purchase on its own, but each is a published, checkable statement, and that is the standard every claim in this guide is held to.