What's inside
- Quick comparison of the picks
- Best overall: Ryobi 40V HP brushless 26-inch
- Best for quiet: Ryobi 40V HP Whisper Series 26-inch
- Best budget: Ryobi 40V 24-inch RY40HG01B
- Best runtime option: Greenworks 40V brushless 26-inch
- Best for light use: Black+Decker 40V MAX LHT2436
- How to choose a 40V hedge trimmer
- Worked example: a 60-foot hedge
- Ownership realities
- Which one fits your situation
- Battery planning table
- Trimming technique that saves battery
- Single battery system or mixed tools?
- Frequently Asked Questions
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The best 40-volt hedge trimmer for most homeowners is the Ryobi 40V HP brushless 26-inch hedge trimmer, because it combines the longest blade in the class with a brushless motor and a platform that shares batteries with a large range of tools. The Greenworks 40V 26-inch is the closest rival, while the Black+Decker 40V MAX 24-inch suits light, occasional trimming. Blade length, cut capacity and battery size decide how fast you finish a hedge and how long a charge lasts.
The 40V class is crowded because Ryobi, Greenworks and Black+Decker all sell a 40V battery system. The picks below are all sold today, and the figures come from the manufacturers’ published specifications and retailer listings. Treat run-time claims as ranges, because they depend on battery size and how thick the branches are.
Quick comparison of the picks
| Pick | Best for | Blade length | Key specs (per maker’s sheets) | Price range |
|---|---|---|---|---|
| Ryobi 40V HP brushless 26-in. | Best overall | 26 in. | 1 in. cut capacity, about 6,000 SPM, up to about 35 min on a 2Ah pack | Mid-range |
| Ryobi 40V HP Whisper Series 26-in. | Best for quiet | 26 in. | Brushless, lower-noise design | Mid to upper |
| Ryobi 40V 24-in. (RY40HG01B) | Best budget | 24 in. | 1 in. cut capacity, dual-action blades, about 45 min on a 2Ah pack | Budget |
| Greenworks 40V brushless 26-in. | Best runtime option | 26 in. | Steel blades, rotating rear handle | Mid-range |
| Black+Decker 40V MAX LHT2436 | Best for light use | 24 in. | Battery and charger included, lightweight | Budget |
Best overall: Ryobi 40V HP brushless 26-inch
This is the benchmark in the 40V class. The 26-inch blades have a cut capacity of about one inch (some listings cite 3/4 inch for certain variants, so confirm the exact model), and a brushless motor drives them at around 6,000 strokes per minute. Ryobi rates run time at up to about 35 minutes on the 2Ah battery included in the kit, and the bare tool weighs about 9 pounds.
The main advantage is blade length: 26 inches means fewer passes along a long hedge. The trade-off is weight at the end of your arms, and a 2Ah battery is the minimum rather than the best choice. For a long hedge or for overhead work, add a 4Ah or 6Ah pack.
Best for quiet: Ryobi 40V HP Whisper Series 26-inch
The Whisper Series uses the same 40V HP brushless platform with a design aimed at lower noise. It suits neighborhoods with noise limits and anyone who trims early in the morning or in the evening. The cutting capacity and blade length are in the same class as the standard HP model.
The trade-off is cost, and the quieter motor and blade do not change the weight. Check the spec sheet to confirm differences before paying extra.
Best budget: Ryobi 40V 24-inch RY40HG01B
The non-HP Ryobi 24-inch trimmer has dual-action blades, a one-inch cut capacity and a published run time of about 45 minutes on a 2Ah battery, or up to about 144 minutes on a 6Ah pack. It is lighter on the wallet and shares batteries with other 40V Ryobi tools.
The trade-off is a brushed motor and shorter blades, so it is a bit slower on long hedges than the 26-inch HP model.
Best runtime option: Greenworks 40V brushless 26-inch
Greenworks sells 40V hedge trimmers in 24 and 26-inch lengths. The brushless 26-inch model is described in several 2026 roundups as a top choice, with a rotating rear handle for vertical cuts and a runtime claim of around an hour on its larger battery. Steel blades with a one-inch cut capacity handle most garden hedges.
The trade-off is that runtime claims vary with the battery included, and some retailers sell the tool alone, so confirm what is in the box.
Best for light use: Black+Decker 40V MAX LHT2436
The LHT2436 has 24-inch blades and comes with a battery and charger. A 22-inch version, the LHT2240C, has a 3/4-inch cut capacity. Both are light and easy to use for small hedges and shrubs. The Black+Decker is the one to consider if you trim once or twice a year.
The trade-off is cut capacity and durability. It is not the tool for thick overgrown hedges.
How to choose a 40V hedge trimmer
Blade length
Longer blades cover more per pass but add weight. For hedges up to about 6 feet long, a 22 to 24-inch blade is enough, while a 26-inch blade saves time on long runs.
Cut capacity
This is the maximum branch diameter the blades can cut, typically 3/4 to 1 inch. A hedge with older woody stems needs one inch; a hedge with soft new growth is fine with 3/4 inch.
Battery size and runtime math
A 40V 2Ah pack stores 80 Wh; a 4Ah pack, 160 Wh; a 6Ah pack, 240 Wh. If a trimmer draws about 150 W during cutting, an 80 Wh pack gives about 32 minutes, a 160 Wh pack about 64 minutes and a 240 Wh pack about 96 minutes. These are planning estimates, not measured results.
Brushless versus brushed
Brushless motors are more efficient, which means a longer run per charge and less maintenance. They cost more, but the difference is more noticeable with big hedges.
Handle and weight
A rotating rear handle makes vertical and side cuts more comfortable. Weight in the 8 to 10 pound range is typical for 24 to 26-inch models, and a trimmer under 9 pounds is easier for overhead cuts.
Worked example: a 60-foot hedge
Suppose you have 60 feet of hedge that is 5 feet tall, and you trim both sides and the top. At a pace of roughly 6 feet per minute per surface, you would need 60 x 3 = 180 feet of cutting surface, which takes about 30 minutes. A single 2Ah pack, with its 32-minute estimate, will barely finish. With a 4Ah pack, you will have a margin of 30 minutes or more.
Ownership realities
- Blade care: clean sap and debris from the blades after each use and apply a light coat of oil. Sticky blades cut slowly and draw more current.
- Sharpening: blades can be sharpened with a file or replaced.
- Safety: wear eye protection and gloves, keep both hands on the handles, and never clear a jam with the battery attached.
- Battery storage: store in a cool, dry place at partial charge.
Which one fits your situation
| Situation | Pick |
|---|---|
| Long hedges, want the best all-rounder | Ryobi 40V HP 26-inch |
| Quiet neighborhood | Ryobi Whisper Series |
| Already on Ryobi 40V, tight budget | Ryobi RY40HG01B |
| Prefer Greenworks platform | Greenworks 40V 26-inch |
| Small hedges, occasional use | Black+Decker LHT2436 |
Battery planning table
All 40V hedge trimmers share the same basic math. Assuming an average draw of about 150 W while cutting, here is how battery size translates into trimming time and hedge length.
| Battery | Energy | Estimated cutting time | Hedge covered at 6 ft per minute per surface |
|---|---|---|---|
| 2Ah, 40V | 80 Wh | about 32 minutes | about 190 ft of surface |
| 4Ah, 40V | 160 Wh | about 64 minutes | about 380 ft of surface |
| 6Ah, 40V | 240 Wh | about 96 minutes | about 570 ft of surface |
These are planning estimates, not measured results. A hedge with thick growth or a trimmer with dull blades can double the draw and halve the time.
Trimming technique that saves battery
- Trim wide at the base. Shape the hedge so that it is slightly wider at the bottom than the top. Sunlight reaches the lower branches, and the hedge stays dense.
- Cut with a sweeping motion. Hold the blade at a slight angle to the hedge and sweep in an arc. Pushing straight in wastes energy and leaves ridges.
- Cut the top last. Do the sides first, then the top, so that clippings fall onto the ground rather than into the hedge.
- Use a string line. For a formal hedge, stretch a line between two stakes at the target height.
- Clear the thick stems separately. Use loppers for anything thicker than the trimmer’s rated capacity. Forcing the blades through a thick stem stalls the motor and wears the drive.
Single battery system or mixed tools?
The most economical way to buy into the 40V class is to pick a brand and buy tools on that one system. Ryobi’s 40V range includes mowers, string trimmers, blowers and chainsaws, which means a 4Ah or 6Ah pack can serve every tool in the yard. Greenworks 40V has a similar spread, while Black+Decker 40V MAX has a smaller range. If you have no existing tools, compare the kit price of the trimmer and then check whether the other tools you may want are available on the same battery. If you already own a different yard platform, a bare tool on that platform is often a better deal than a new kit from another brand.
Frequently Asked Questions
Is a 40V hedge trimmer powerful enough?
Yes, for most residential hedges with stems up to about one inch thick. Thicker branches need loppers or a pruning saw.
Can I use a Ryobi 40V battery on a Greenworks trimmer?
No. Both are called 40V, but the battery designs differ and are not designed to be interchangeable. Always use the brand’s own batteries.
How long does a 40V hedge trimmer battery last?
About 30 to 45 minutes on a 2Ah pack and about an hour or longer on 4Ah to 6Ah packs, depending on the density of the hedge.
What is the difference between dual-action and single-action blades?
Dual-action blades move both blades, which reduces vibration and gives smoother cuts. Single-action blades move only one, so they vibrate more.
When is the best time to trim a hedge?
It depends on the species, but late spring to mid-summer is common for many hedges. Avoid trimming during nesting season, and check local guidelines for protected nesting birds.