Best Battery Operated Weed Killer | FOX 5 San Diego

Which battery-powered weed killer is the best?

Weed eaters are quick to choke out invasive plants that threaten the landscaping around your home. They are also great for keeping sidewalks and driveways neat and tidy. Quiet operation and ease of use make a battery-powered weed eater a good choice. There are no cords to fumble with and no complicated gas and oil mixtures.

the Black and Decker Max 2-in-1 Cordless Edger/Edger with Powercommand Kit is the best battery-powered weed killer for any pruning or edging task.

What to know before buying a battery-operated weed killer

Power Type

For the majority weed eaters, a specially shaped rope runs under a protective casing at the end of a long shaft with the speed and power controls close to your hand. As you cut, the rope will eventually get shorter and will need to be lengthened for best results. The string can be fed into the weedkiller head in three different ways.

  • Shock feeding: The user bangs the weedkiller’s head on the ground to squeeze out more string.
  • Fixed line: There is no way to change the length of the line. It has a fixed length and must be replaced as needed.
  • Automatic feeding: The simplest of the three – it runs automatically as you need it.


Especially for those who suffer from hand, arm, shoulder or back pain, the ergonomics of a weed killer is important. You’ll want something that’s comfortable in your hands and doesn’t require you to bend over to use it.

A straight neck may be more powerful and sturdy, but a curved neck is softer on the body. It puts the weed killer cutting area where you need it, with no contortions or weird litters.


A weed eater is only as good as its ability to cut through fibrous grass and thick weeds, but its purpose can change depending on the owner. Some want an efficient little machine that can keep grass and weeds out of sidewalk cracks, while others need more power and versatility.

There’s no sense buying a more powerful and expensive machine when all you really want to do is keep the edges of a small yard tidy.

What to Look for in a Quality Battery Operated Weed Killer

Easy start

An easy on-off switch means there are no complicated start-up procedures. Just pick up the weed killer, press the button and go.

Long battery life

A battery that runs out in the middle of finishing your garden literally won’t do the job. High quality battery operated weed killers feature a long lasting rechargeable battery. Also look for lithium-ion batteries for fast charging.

Different brush heads

Some battery-powered weedkillers not only come with a standard trimmer head, but also come with a brush head. This allows you to cut through thick brush with ease, including some stems up to a quarter inch or more in diameter.

Padded handles

Cushioned handles are more comfortable when using your weed killer for long periods of time. They are easy to grip and absorb the vibrations that occur when you are cutting.

How Much You Can Expect to Spend on a Battery Operated Weed Killer

It’s hard to find a good battery-powered weed killer for less than $50. Expect to spend $100 to $200 for one that lasts.

Battery Operated Weed Killer FAQs

Are there any safety precautions to take when using a weed killer?

A. Yes. Because the movement of the string can send grass and debris flying, it is important to wear long pants, long sleeves, and eye protection. Battery-powered weed killers tend to be quieter than gas-powered ones, but you may also want hearing protection.

Also consider using weed killers only for short periods of time, with breaks in between. Machine vibration can cause nerve damage in the hands, arms and shoulders with prolonged long-term use.

How to change the string of a weed killer?

A. Because every weed killer is different, follow the manufacturer’s instructions. This will ensure that it is charged safely and will work as expected.

What is the best battery operated weed killer to buy?

Top Battery Operated Weed Killer

Black and Decker Max 2-in-1 Cordless Edger/Edger with Powercommand Kit

What do you want to know: It is lightweight and perfect for trimming and edging small to medium sized yards.

What you will love: It has an automatic string feeder for easy use. The 13 inch head covers a lot of ground. Even with a battery on one end, it feels balanced and easy to use.

What you should consider: It uses a lot of string – more than other models.

Or buy: Sold by Amazon

Best Battery Operated Weed Killer for the Money

20V Worx PowerShare Cordless String Trimmer and Edger

20V Worx PowerShare Cordless String Trimmer and Edger

What do you want to know: This is an affordable entry-level mower for homeowners with small jobs.

What you will love: It comes with two batteries and easily converts to a trimmer by simply twisting the head. The well telescopes to accommodate people of different sizes. Operation is quiet and comfortable, and the push-button spool releases the cutting line when you need it.

What you should consider: You will need both batteries, even for small jobsites. Each only lasts about 20 minutes.

Or buy: Sold by Amazon

Worth checking out

Craftsman V20 String Trimmer

Craftsman V20 String Trimmer/Edger

What do you want to know: This is a great mid-priced model that cuts and edges easily.

What you will love: It has two speeds that let you choose between fast operation and long battery life. The battery lasts up to 50 minutes on a single charge. The stem is adjustable for taller users. It features easy push-button power and comes with a three-year limited warranty.

What you should consider: The automatic feed button is flimsy.

Or buy: Sold by Amazon

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Suzannah Kolbeck written for BestReviews. BestReviews has helped millions of consumers simplify their buying decisions, saving them time and money.

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