Unboxing the Kobalt 40-Volt Cordless String Trimmer

Unboxing the Kobalt 40v/Max Cordless String Trimmer

Unboxing the Kobalt 40-Volt Cordless String Trimmer

We bought this Kobalt 40-volt cordless string trimmer last week and I like it. I have only used it once so the review part is going to be short. Our unboxing reviews are more of a first impression but like all product unboxing stories, we produce.

Assembly was easy and only took a few minutes. The battery was half-charged and only took a few minutes to fully charge. I have only used it one time to trim my front yard but it worked great. It was lighter than a gas-powered trimmer but heavier than other electric trimmers that use a wall cord to power it.

Kobalt 40-Volt Cordless String Trimmer

Official Product Description

  • A 40-volt gear reduced string trimmer with 2.5Amp-hour battery gives you the power you need for yards up to 1/2 acre.
  • Premium heavy-duty 0.080-in dual-line feeds through a bump head, making it easy to power through tough grass and weeds.
  • An adjustable cutting swath from 13-inch to 15-inch to allow for extended runtime or faster trimming.
  • Easy to start variable speed trigger with two-speed settings offer complete control.
  • Includes a charger and 2.5Ah 40-volt max Li-ion battery with a 75 minute charge time.
  • Compatible with Kobalt 40-Volt max family of products.
  • 5 Year limited tool warranty and 3-year limited battery warranty.
Kobalt 40-Volt Cordless String Trimmer

How Does the Product Differ From the Competition?

Again this is an unboxing and our first impression is what we can offer you now. We will update this review next year after we have used it for a year. However, our first impression is quite good. In comparison to other trimmers I have used in the past I do not see anything that stands out but it is a nice middle ground in the field. The trimmer comes with a 40-volt Li-ion battery that can be used on any of the Kobalt 40-volt tools. The battery life is 2.5 amp-hours, meaning it a run time of two and a half hours. This can use a 5 amp-hour battery as long as it is a 40-volts. That means you can extend the runtime out to five hours.

What Are the Product’s Flaws?

It’s hard to say after only one usage but I did not like the connection of the top and bottom bar. They use a quick disconnect coupling so you can break it down and fold it for storage. The connection is wobbly and I am sure that it will last but it is the one weak point I see on first inspection.

Who Is the Intended Target?

This trimmer is clearly made for the average homeowner. I do not think they intended it for contractors but who knows, it just seems a little light for a tool that would be used almost every day. For my home, it’s the perfect size.

Where Can People Purchase the Product?

We bought our Kobalt 40-volt cordless string trimmer at Lows for $159.00. You can also order it on Amazon for $110.00.

Kobalt 40-Volt Max 15-in String Trimmer


Ease of Use


Easy Assembly



  • 2.5Ah 40-volt max Li-ion battery
  • Lightweight


  • None as of now

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