Black & Decker LST300 Weed Whacker vs LSTE525 String Trimmer

Having a weed whacker or string trimmer can be good to help in maintaining your lawn and home on overall.

It is a handy tool that you are likely to see a lot more people using right now. One of the best brands to consider buying from is Black + Decker.

The Black + Decker brand has been around for decades, so we expect them to give us quality tools. We will look at the LST300 and the LSTE525 models in this guide to help you learn more.

What to Consider

The Build Quality

The build quality will vary from one brand to another. Always look at the materials used to see if it is a highly durable unit. Also, it should have the best craftsmanship that helps to improve your user experience.

Ease of Use

The ease of use will also vary a lot. Look for a model that has many features which make it easier for you to use the string trimmer. It can be converting it to an edger or mini-mower quickly, and so much more.

Power Source

In our case, we are looking at battery-powered tools. The battery should be able to last for longer so that you can get more work done.

Some opt to buy two batteries so that when one is being used, the other is recharging. This way, you would be able to handle more applications.


It will be good if the tool that you choose is highly ergonomic. This will include things such as the tool having an adjustable handle and height options. You will not keep it at the right height depending on your needs.

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Still, if the tool is lightweight, you will enjoy using it even more often.

Let’s Compare

Black + Decker LST300 Weed Whacker

BLACK+DECKER LST300 Weed whacker, White

It should be nice being able to deal with the weeds even better than before. For this reason, we recommend that you check out what the Black + Decker LST300 weed whacker is all about.

More Runtime

The unit uses a 20-volt Lithium Ion battery pack that is better than other models using the NiCad batteries. The Lithium technology gives the battery pack 33% more runtime. This is good for those who might have to work on a project longer.

The Transmission

As part of construction, we also find the unit having the best power drive transmission. What this does is to get more power from the motor to the cutting string. The result is that you can cut a lot faster than before.

With more power reaching the string, you will also end up with cleaner and even cuts while using this weed whacker.

Automatic Feed Spool

Feeding your line is not always the easiest thing to do for many. Some might end up with a few hiccups doing so. Well, this one features an automatic feed spool. The aim is to make it easier to feed the line and get back to working.

BLACK+DECKER LST300 Weed whacker, White

2-in-1 Tool

Versatility is something that many people would want in a tool. We find this one to be highly versatile as it has two tools in one. It can work as a trimmer or an edger. As such, you will find it being an ideal tool for handling your lawn trimming needs.

The best part is that you can switch from one tool to the next one easily. In a few seconds with no special tools, you can convert it into an edger or a trimmer.

Lightweight Design

The lightweight design plus an adjustable handle makes it even better for various users. It will now work great to put less strain on the user who might want to use it for longer hours.

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The handle has adjustable heights to find the right position that suits the user. The last thing you want is to end up with back pain since the trimmer is not set up correctly.

Black + Decker LSTE525 String Trimmer/Edger

BLACK+DECKER LSTE525 20V MAX Lithium Easy Feed String Trimmer/Edger with 2 Batteries

It is always good to have options. The other option from Black + Decker includes the LSTE525 model. It is all about giving you more performance too. Let us see what more you can get with the LSTE525 model below.

Faster Conversion

One thing that stands out for this unit will be the conversion from a trimmer to a wheeled edger. It takes a few seconds to achieve this. As such, many will choose it for being versatile. They know that there is no need to buy a separate edger when this one is available.

Still, the conversion does not need any special tools to get done. As such, you would end up with a unit that works great just as you need.

Edger Wheels

When you have converted it into an edger, you hope that it would work great to keep the edge of your lawn looking good. So, it is worth noting that the wheels play an important role in that.

The wheels of the unit help you achieve cleaner and even cuts better than before. You are likely to use the edger more often because of the high-quality results that you get.

BLACK+DECKER LSTE525 20V MAX Lithium Easy Feed String Trimmer/Edger with 2 Batteries

Ease of Setting Up

Another thing that you will like about the model should be its line feeding command system. With the press of a button, you will get that it is easy to feed the line and get back to work. Unlike other models that might take more time to set up, this one should appeal to many people for its simplicity.

Also, this kind of system eliminates the need for bumping. Then it is going to be an ideal option for many.

The Battery Capacity

The tool features the 20V Max System in terms of battery. The battery pack is made of lithium ion so that it can always power your needs adequately. You should find yourself being able to handle as many cutting needs as possible when working with this system.

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Even when it comes to recharging, it will take less time to get the battery back to full status. This ensures you have a better chance at getting back to work once it is all charged.


How do you restore a Black + Decker trimmer line?

Depending on the model, some will have an automatic spooling system for the line. That is what you get with the models mentioned in this guide. However, the manufacturer also gives you a detailed method that you can use for restringing your trimmer line in the manual.

Why does the trimmer line keep on breaking?

The most common reason would be that the line is old and needs replacing. For those who have lines that are more than five years old, then consider replacing them to avoid such breakages.

Who needs a Black + Decker string trimmer?

If you own a large lawn or garden, the string trimmer can be a nice tool to own. It will help you in maintaining them in a better state by trimming the edges and so much more.


Both the LST300 and LSTE525 are top performance tools for the money. We would recommend the LST300 for having more versatility and performance to match the needs of many users. It is also within the affordable range many would be looking to spend.

With more run time, both models can be good for those who are handling larger projects.