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AOBEN Cordless Angle Grinder 4-1/ vs Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5

Updated July 2026 — AOBEN Cordless Angle Grinder 4-1/ wins on battery and speed, Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 wins on rpm and price.

The AOBEN Cordless Angle Grinder offers better value and versatility for casual users, while the Milwaukee Electric grinder excels in power for professional tasks.

Why AOBEN Cordless Angle Grinder 4-1/ is better

Price

AOBEN is $30 cheaper than Milwaukee

Battery

AOBEN includes two batteries, Milwaukee does not

Versatility

AOBEN has adjustable speed settings for various tasks

Why Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 is better

Power

Milwaukee delivers 11,000 RPM compared to AOBEN's 9,500 RPM

Durability

Milwaukee is designed for heavy-duty professional use

Usability

Milwaukee features tool-free guard adjustment for convenience

Overall score

AOBEN Cordless Angle Grinder 4-1/
75
Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5
85

Specifications

SpecAOBEN Cordless Angle Grinder 4-1/Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5
Motor TypeBrushlessBrushless
Guard AdjustmentManualTool-Free
Overload ProtectionYesYes
Switch TypeStandardPaddle
WeightLightMedium

Dimension comparison

AOBEN Cordless Angle Grinder 4-1/Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5

Introduction to Angle Grinders

When it comes to angle grinders, two popular choices are the AOBEN Cordless Angle Grinder and the Milwaukee Electric M18TRADE Brushless Grinder. Each product offers unique features tailored for different user needs. The AOBEN grinder is priced at $79.99, making it about 27% cheaper than the Milwaukee, which costs $110.00. Understanding the specifics of both grinders can help you make an informed decision based on your specific requirements.

Performance and Power

In terms of performance, the AOBEN Cordless Angle Grinder stands out with its brushless motor, capable of reaching speeds up to 9,500 RPM. This design not only extends the lifespan of the tool but also provides stronger power and faster heat dissipation. On the other hand, the Milwaukee Electric grinder delivers an impressive 11,000 RPM. This makes it a more powerful option for demanding tasks such as heavy grinding or cutting. While the AOBEN grinder is suitable for various applications, the higher RPM of the Milwaukee may appeal to professionals seeking more robust performance.

Battery and Runtime

Battery life and runtime are critical aspects of cordless tools. The AOBEN grinder comes with two 4.0Ah batteries, providing a long runtime that allows for continuous use without being tethered to a power source. This is particularly advantageous for outdoor projects or remote work sites. In contrast, the Milwaukee grinder is a tool-only model, meaning it does not include a battery or charger in its standard offering. Users must purchase these separately, which could increase the overall cost significantly. For those prioritizing convenience and longevity, AOBEN’s battery solution is clearly advantageous.

Design and Usability

User-friendly design features can significantly influence the effectiveness of an angle grinder. The AOBEN grinder boasts a compact design that is comfortable to hold during operation. It also includes two protective wheel guards for safety during cutting tasks. Conversely, the Milwaukee grinder features a paddle switch design and tool-free guard adjustment, which enhances usability by allowing quick changes without additional tools. While both options focus on user comfort and safety, the Milwaukee's features may appeal to those who frequently adjust their tools.

Versatility and Applications

The versatility of an angle grinder is vital for various applications, such as metal cutting, grinding, and polishing. The AOBEN grinder's three adjustable speed settings make it suitable for a range of tasks, from rust removal to surface preparation. This flexibility can be particularly useful for DIY enthusiasts or home users who require a multi-functional tool. The Milwaukee grinder is designed more for professional use, delivering high performance in demanding environments. Its higher RPM and robust design make it ideal for heavy-duty applications, positioning it as a go-to for contractors and tradespeople.

Safety Features

Safety is paramount when operating power tools. The AOBEN Cordless Angle Grinder includes protective wheel guards to shield users from flying debris during cutting operations. Additionally, it features an overload protection system that pauses operation to cool down, preventing potential damage to the motor. The Milwaukee grinder also emphasizes safety with its electronic clutch and overload protection. However, it lacks the additional wheel guard features found in the AOBEN grinder. For users who prioritize safety features, the AOBEN may provide a slight edge.

Price Comparison

The price difference between the two grinders is notable and could influence purchasing decisions. The AOBEN Cordless Angle Grinder retails for $79.99, while the Milwaukee Electric grinder is priced at $110.00, making it about 27% more expensive. When considering the additional costs associated with purchasing a battery and charger for the Milwaukee model, the AOBEN becomes even more appealing for budget-conscious consumers. This price advantage is significant, especially for those looking for a reliable tool without breaking the bank.

Which should you buy?

Choosing between the AOBEN Cordless Angle Grinder and the Milwaukee Electric M18TRADE Brushless Grinder ultimately depends on your specific needs and budget. If you prioritize affordability, battery inclusion, and versatile usage, the AOBEN grinder is a strong contender at $79.99. However, if you require a more powerful tool for heavy-duty tasks and don’t mind investing more, the Milwaukee grinder, with its higher RPM and professional features, may be worth the extra cost. Consider your intended use and the importance of features like battery life, safety, and usability to make the best choice for your angle grinding needs.