Corded Vs Cordless Angle Grinder Which Is The Best Pick?!

corded vs cordless angle grinder

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Table of Contents

In this article, we will provide an overview of corded vs cordless angle grinders and compare their features to help you determine which option is best suited for your needs.

As we all know angle grinders are versatile power tools that are essential for cutting, grinding, polishing, and sanding various materials. With the advent of cordless technology, cordless angle grinders have gained popularity due to their convenience and portability. On the other hand, corded angle grinders remain a popular choice among many individuals due to their affordability and consistent power supply.

We will explore the benefits and limitations of both types of angle grinders and discuss important safety considerations when using them. Additionally, we will review some of the top-rated models in each category to help you make an informed decision when purchasing an angle grinder.

Corded vs Cordless Angle Grinder overview

FeaturesCordless Angle GrinderCorded Angle Grinder
PowerBattery powered, limited runtimeAC powered, unlimited runtime
PriceMore expensiveLess expensive
PortabilityEasy to move around without cordsRequires power outlet, less portable
PerformanceDepends on battery lifeConsistent performance
Battery LifeLimited by batteryUnlimited

When considering the type of tool to use for grinding and cutting tasks, it is important to weigh the advantages and disadvantages of different power sources, including those that rely on electricity through a corded connection or those that utilize rechargeable batteries for cordless operation.

Cordless angle grinders have significantly improved with the use of lithium-ion technology, allowing them to handle more intensive DIY tasks compared to ten years ago. They are also more convenient and productive since they don’t require a corded connection or access to an electrical outlet. However, they tend to be more expensive than their corded counterparts and may not last as long during extended use due to battery life limitations.

On the other hand, corded grinders are generally cheaper and offer consistent power output without worrying about battery life. They are also ideal for heavy-duty applications where continuous use is needed.

Ultimately, choosing between a cordless or corded angle grinder depends on personal needs and preferences, but it’s essential to consider factors such as cost, convenience, battery life limitations, and intended usage before making a decision.

Are Cordless Angle Grinders Worth The Money?

The economic value of cordless angle grinders is a common concern among consumers, prompting the question of whether their performance justifies their higher price point.

While corded angle grinders are generally cheaper, cordless grinders offer the convenience of portability and the freedom to work in locations where power sockets are not readily available.

The best cordless angle grinder models on the market today have comparable performance to their corded counterparts due to improvements in battery technology and motor efficiency.

Additionally, investing in a cordless power tool can save time and increase productivity as there is no need for cords or extension cables that can tangle or limit mobility.

However, it is important to note that not all tasks require a high-performance grinder and for occasional users, a corded tool may be more cost-effective.

Ultimately, choosing between a corded or cordless grinder depends on personal needs and preferences but with advancements in battery technology continuing to improve, it’s clear that the gap between these two options will become smaller over time.

Do You Really Need A Cordless Angle Grinder?

Determining the necessity of a particular type of power tool requires an objective analysis of one’s individual needs, taking into account factors such as budget, intended usage, and convenience.

When it comes to angle grinders, choosing between corded and battery-powered options may seem hard at first glance. However, the decision ultimately boils down to personal preference and what tasks need to be accomplished.

Corded angle grinders are typically cheaper than their cordless counterparts and offer unlimited runtime since they are powered by a consistent power source through a power cord. They also tend to have more horsepower which makes them ideal for heavy-duty tasks that require extended runtimes or high torque output.

On the other hand, cordless angle grinders offer greater mobility and convenience since they rely on battery technology for power rather than being tethered to a wall outlet. The downside is that battery life can be limited depending on the model, so it may not be suitable for longer projects or heavy-duty applications without frequent recharging or swapping out batteries.

Ultimately, whether someone needs a corded or cordless angle grinder depends on their individual situation and preference for either convenience or cost-effectiveness.

Are Battery Powered Angle Grinders Any Good?

Battery-powered angle grinders have made significant advancements in recent years, with lithium-ion technology leading to improved performance and longer battery life. Cordless models are now capable of handling more intensive DIY tasks compared to ten years ago. The use of lithium-ion batteries has allowed for better efficiency and longer battery life, making cordless power tools more convenient and productive.

However, when it comes to grinding metal, corded angle grinders still reign supreme due to their high power output and consistent performance. To help illustrate the differences between cordless and corded angle grinders further, below is a table that highlights some key features of each type.

FeatureCorded Angle GrinderCordless Angle Grinder
Power Output
High (up to 15 amps)
Moderate (up to 6 amps)
Performance Consistency
Consistent due to steady power supply
Can experience a drop in performance as battery drains
Mobility & Convenience
Limited mobility due to cord restriction, requires outlet access, can be heavy or bulky
Highly mobile; no cords required; lightweight and easy to handle

In conclusion, while battery-powered angle grinders have come a long way in terms of advancements in technology and convenience, they may not be suitable for all tasks. Those looking for high-power output and consistent performance may find that corded options are still the best choice when it comes to grinding metal or other tough materials. Ultimately, the decision between choosing a corded or cordless angle grinder will depend on personal needs and preferences.

How Many Amps Does A Corded Angle Grinder Use?

Understanding the power requirements of an angle grinder is essential for selecting the appropriate model and ensuring optimal performance in various applications.

When it comes to corded angle grinders, their power output is measured in amps, which refers to the amount of electrical current flowing through them.

The average amperage range for a corded angle grinder is between 6 to 13 amps, with higher amp models providing more torque and speed during the grinding process.

In comparison, cordless power tools use batteries that are rated in volts and amp-hours instead of amps.

While they may not have as much power as their corded counterparts, advancements in battery technology have allowed cordless angle grinders to be used for more intensive tasks than before.

Ultimately, choosing between a corded or cordless angle grinder depends on personal needs and preferences, with those seeking greater power opting for a higher amp-rated corded model while those prioritizing convenience may prefer a battery-powered option.

How Long Do Battery Angle Grinders Last?

The longevity of battery angle grinders is a practical concern for those interested in this type of power tool. Corded vs battery powered angle grinder is an essential consideration as battery powered angle grinders are becoming increasingly popular. Choosing between the two options can impact how long they last.

The battery life of cordless models is dependent on the type of lithium-ion batteries used, with higher voltage batteries providing longer run times. With advancements in research and development, manufacturers have been able to improve battery efficiency further, resulting in more extended runtime for cordless models. However, it’s worth noting that constant use at maximum power output will drain the battery faster than lighter tasks.

Overall, while corded angle grinders may be cheaper and offer unlimited runtime, the convenience and productivity offered by their cordless counterparts make them a worthwhile investment for DIY enthusiasts who prioritize mobility when working on projects that require grinding and cutting applications.

Why battery choice is important

The selection of an appropriate battery for cordless tools is a crucial decision that can impact the overall performance and longevity of the device. With various types of batteries available in the market, it can be challenging to choose the most suitable one. However, opting for the right battery can enhance productivity and provide extended usage time.

Nickle Cadmium NiCd

It is important to note that each type of battery has its unique features and limitations. For instance, Nickle Cadmium (NiCd) batteries are entry-level and economical but have a lower capacity than other batteries.

Nickle Metal Hydride NiMH

On the other hand, Nickle Metal Hydride (NiMH) offers increased capacity but are sensitive to temperature fluctuations which may affect their performance during grinding operations.

Lithium Ion Li-Ion

Lithium Ion (Li-Ion) batteries emerge as the top choice due to their lightweight composition, high output capacity, superior power, durability, and overall performance. Although Li-Ion batteries may seem expensive compared to NiCd or NiMH counterparts initially, they offer long-term benefits and cost savings.

Therefore, choosing an appropriate battery type based on specific requirements such as weight considerations or operational demands requires careful consideration. By selecting a suitable battery option based on application needs, users can ensure optimal functioning while achieving higher efficiency levels that ultimately lead to greater satisfaction with cordless tools’ performance.

Does The Wattage Of An Angle Grinder Matter?

Moving on from the previous subtopic, it is important to consider another factor when choosing between corded and cordless angle grinders: wattage.

The wattage of an angle grinder directly affects its power output, which in turn influences its performance. Generally speaking, higher wattage means greater power and higher RPMs, making it suitable for more heavy-duty tasks.

However, this also means that it consumes more electricity and may require a larger battery or more powerful electrical outlet.

It’s worth noting that wattage isn’t the only factor to consider when selecting an angle grinder; other aspects such as motor efficiency and blade size should also be taken into account.

Ultimately, the choice between a corded or cordless angle grinder will depend on individual needs and preferences, with factors like portability and convenience competing against raw power output.

Are Cordless Angle Grinders As Powerful As Corded?

When it comes to power output, a question that arises is whether cordless angle grinders can match the performance of their corded counterparts.

Corded models have traditionally been considered more powerful due to their direct connection to an electrical outlet and higher wattage ratings.

However, recent advancements in battery technology and motor design have made cordless models much more competitive in terms of power.

These days, many top-rated cordless angle grinders are equipped with brushless motors that generate high RPMs and deliver a performance similar to or even better than some corded models.

Battery capacity has also improved significantly, allowing users to work for longer periods without having to recharge frequently.

Although there may still be some situations where a corded model might be preferable, such as when working on heavy-duty projects for extended periods of time requiring constant power supply, cordless models are increasingly being recognized as powerful alternatives offering greater convenience and flexibility thanks to their ability to operate wirelessly using batteries.

Which Is The Best Corded Angle Grinder?

Moving on from the discussion of cordless angle grinders, let us now compare the best options available for corded angle grinders.

One popular choice among consumers is the Makita 9557PBX1 4-1/2 Angle Grinder, which boasts a powerful 7.5 amp motor that can reach up to 11,000 RPM. It also comes with additional cutting and grinding wheels housed in a durable metal carry case.

Another great option is the DEWALT DWE402N 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder, which features a dust ejection system that prevents debris from entering the motor and causing damage. It also has a convenient paddle switch for easy operation and a vibration-reducing side handle for comfort during prolonged use.

Ultimately, choosing between corded or cordless angle grinders depends on individual needs and preferences – while corded options may be cheaper upfront, cordless tools offer greater convenience and productivity with advancements in lithium-ion battery technology, variable speed control, and brushless motors improving their overall performance capabilities.

Which Is The Best Cordless Angle Grinder?

Determining the best cordless angle grinder involves considering various factors such as battery capacity, motor strength, and RPM capabilities.

The DeWalt Cordless FLEXVOLT 60V MAX Angle Grinder is considered the top-rated cordless angle grinder in terms of performance and battery capacity. It has a brushless motor that generates 9000 RPM and can complete with most corded grinders in the market due to its powerful battery capacity.

However, other options are available depending on personal needs and preferences, such as the Makita XAG04Z 18V LXT Lithium-Ion Brushless Cordless Angle Grinder which has a powerful motor delivering 8500 RPM or Milwaukee M18 Fuel 4-1/2’ / 5’ Grinder with Paddle Switch which delivers up to 8,500 RPM.

Ultimately, choosing between a corded or cordless angle grinder depends on specific tasks’ requirements; while a corded one may be more budget-friendly, a cordless option provides convenience with no cords getting in the way during work.

What Determines The Power Of An Angle Grinder?

Moving on from discussing the best cordless angle grinder, it is important to understand what determines the power of an angle grinder.

The power tool industry has seen a significant amount of development in recent years, with manufacturers investing heavily in research and development to improve their products.

When it comes to angle grinders, one of the most important factors that determine their power is whether they are corded or cordless.

While corded options tend to be cheaper, they are limited by the length of their cords and require a nearby outlet for use.

On the other hand, cordless angle grinders offer more convenience and productivity due to their ability to be used anywhere without restriction.

However, both types can deliver similar levels of performance depending on their motor strength and RPM ratings.

Ultimately, choosing between a corded or cordless option depends on personal needs and preferences.

What Is The Purpose Of A Cordless Angle Grinder?

Understanding the purpose of a cordless grinder is essential for those seeking a power tool that offers greater mobility and flexibility in completing various DIY tasks.

Cordless angle grinders have become increasingly popular in recent years due to advancements in battery technology, which has led to improved battery capacity and longer run times.

These tools are especially useful when working in areas without access to electrical outlets or where cords can interfere with workspaces.

Additionally, the variable speed control feature allows users to adjust the speed of the grinder according to their specific task requirements, making it an ideal choice for cutting metal or other materials.

With the power tool industry continuing to invest heavily in research and development, cordless angle grinders are likely to become even more efficient and productive over time.


In conclusion, both corded and cordless angle grinders have their own advantages and disadvantages. Cordless angle grinders offer mobility and convenience but may lack the power needed for heavy-duty tasks.

On the other hand, corded angle grinders are more affordable and provide a consistent power supply but are limited by their cords. When choosing between the two options, it is important to consider your specific needs and preferences.

It is also crucial to prioritize safety when using an angle grinder, regardless of whether it is corded or cordless. Always wear protective gear such as gloves, eye goggles, and a dust mask. Keep the work area clean and free from combustible materials.

And most importantly, always follow the manufacturer’s instructions for proper use and maintenance of your angle grinder to ensure its longevity and prevent accidents.