Power Up: Top Replacement Batteries for Hedge Trimmers
For most homeowners, the Greenworks 40V 2.0Ah battery is the top pick because it offers a solid balance of power and runtime at a reasonable price. It fits a wide range of Greenworks 40V tools, making it a versatile addition to your shed. However, it may not be sufficient for prolonged professional use; for that, consider higher-capacity options like the EGO 56V 5.0Ah battery.
A hedge trimmer is only as good as its battery. A weak or failing battery can turn a quick trim into a frustrating chore. Upgrading to a high-quality replacement can restore performance and extend your work time.
We’ve analyzed the specifications and owner reports for the most popular batteries on the market. This guide highlights the best options for different needs, from budget-conscious homeowners to professionals demanding all-day runtime.
How to choose
The shortlist, ranked
Greenworks 40V 2.0Ah Battery
This battery powers a range of Greenworks 40V tools, including hedge trimmers. Owners report it holds a charge well and recharges quickly. It is lightweight and easy to handle, though runtime is moderate for larger jobs.
Pros
- Affordable price point
- Works with many Greenworks tools
- Lightweight design
Cons
- Shorter runtime on heavy use
- Not for professional-grade demands
EGO Power+ 56V 5.0Ah Battery
The EGO 56V battery delivers exceptional performance for demanding tasks. It is compatible with all EGO 56V tools, including their powerful hedge trimmers. Users report long runtime and consistent power output, though it is heavier and pricier.
Pros
- Excellent runtime for large yards
- High power output for thick branches
- Durable construction
Cons
- Premium price
- Heavier, adds weight to tool
DEWALT 20V MAX 5.0Ah Battery
This battery is a solid upgrade for DEWALT 20V hedge trimmers. It offers a good balance of capacity and weight, and it works with over 200 DEWALT tools. Owners appreciate the reliable performance and fuel gauge.
Pros
- High capacity for longer run time
- Fits multiple DEWALT tools
- Battery fuel gauge for monitoring
Cons
- Not compatible with other brands
- Slightly bulky for small hands
Ryobi ONE+ 18V 4.0Ah Battery
Ryobi’s 4.0Ah battery is a cost-effective option for their 18V hedge trimmers. It provides decent runtime and is compatible with the entire Ryobi ONE+ system. Some users find it loses charge over time, but for the price it’s a good entry-level choice.
Pros
- Low price
- Works across Ryobi ONE+ line
- Adequate for small to medium hedges
Cons
- Not for heavy professional use
- Some report reduced capacity over time
BLACK+DECKER 20V MAX 2.0Ah Battery
This compact battery is ideal for occasional trimming and small hedges. It is lightweight and fits BLACK+DECKER 20V tools, including their hedge trimmers. Owners note that runtime is limited, so it’s best for quick jobs.
Pros
- Very light and easy to handle
- Inexpensive
- Charges quickly
Cons
- Short runtime
- Not suitable for large properties
Milwaukee M18 REDLITHIUM 5.0Ah Battery
Milwaukee’s M18 battery is built for heavy use. It delivers consistent power and is compatible with their M18 hedge trimmers and other tools. Professionals appreciate the durability and long lifespan, but the price reflects its premium status.
Pros
- Rugged build for job sites
- Consistent power delivery
- Long cycle life
Cons
- Higher cost
- Heavier than some competitors
Makita 18V LXT 5.0Ah Battery
Makita’s 5.0Ah battery offers excellent runtime and features a rapid charger compatibility. It works with Makita 18V hedge trimmers and a vast ecosystem. Users like the stable performance, but it is on the heavier side.
Pros
- Fast charging with compatible charger
- Good runtime for medium tasks
- Reliable performance
Cons
- May be expensive
- Not as light as some other options
How they compare
| # | Model | Voltage | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | Greenworks 40V 2.0Ah Battery | 40V | value and everyday trimming | 9.2 | Check price |
| 2 | EGO Power+ 56V 5.0Ah Battery | 56V | maximum runtime and power | 9.5 | Check price |
| 3 | DEWALT 20V MAX 5.0Ah Battery | 20V | compatibility with DEWALT tools | 8.9 | Check price |
| 4 | Ryobi ONE+ 18V 4.0Ah Battery | 18V | budget-conscious homeowners | 8.6 | Check price |
| 5 | BLACK+DECKER 20V MAX 2.0Ah Battery | 20V | light trimming and small tasks | 8.3 | Check price |
| 6 | Milwaukee M18 REDLITHIUM 5.0Ah Battery | 18V | professional-grade reliability | 9.0 | Check price |
| 7 | Makita 18V LXT 5.0Ah Battery | 18V | long runtime and fast charging | 8.8 | Check price |
Good to know
Can I use a higher Ah battery in my hedge trimmer?
Yes, as long as the voltage matches and the battery is physically compatible. Higher Ah batteries provide longer runtime without damaging the tool, but they may be heavier and more expensive.
How long does a hedge trimmer battery last per charge?
It depends on the battery capacity (Ah) and the cutting conditions. A 2.0Ah battery might last 20 to 30 minutes of continuous use, while a 5.0Ah can last 60 minutes or more, especially with lighter trimming.
Are all batteries from the same brand compatible?
Not always. For example, DEWALT has 20V and 60V systems, which are not interchangeable. Always check the voltage and the specific tool compatibility before purchasing.
What is the difference between 18V and 20V batteries?
18V and 20V are often marketing terms. Many 20V batteries are actually 18V nominal, but they are labeled 20V MAX. They are not cross-compatible between brands, so stick to your tool’s brand.
How do I know when to replace my hedge trimmer battery?
If your battery no longer holds a charge, loses power quickly, or takes longer to charge, it may be time for a replacement. Also, if it shows physical damage, replace it immediately.
Can I store my battery in extreme temperatures?
No. Store batteries in a cool, dry place. Extreme heat or cold can degrade performance and shorten lifespan. Ideally, keep them between 40 and 80 degrees Fahrenheit.
Is it worth buying a higher voltage battery for more power?
If your trimmer is designed for a certain voltage, using a higher voltage battery is not recommended and may void the warranty. Stick to the recommended voltage and instead opt for a higher Ah for more runtime.
Do batteries come with a charger?
Some batteries are sold alone, while others come in kits with a charger. Check the product description. If you already have a compatible charger, buying just the battery is more economical.
Our pick
For most landscaping tasks, the EGO Power+ 56V 5.0Ah battery is the best investment because it delivers top-tier power and runtime, making it ideal for demanding hedge trimming. If you are on a budget and have a Greenworks trimmer, the Greenworks 40V 2.0Ah is a smart choice that won’t break the bank. For professionals, the Milwaukee M18 5.0Ah offers the durability and consistent performance needed for daily use.
