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Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion vs Milwaukee Electric - M18 Fuel 4-1/2-6 Braking

Updated July 2026 — Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion wins on battery and comfort, Milwaukee Electric - M18 Fuel 4-1/2-6 Braking wins on sales rank and price.

The Milwaukee 2880-20 offers better value and a higher sales rank, while the Milwaukee Electric provides advanced safety features.

Why Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion is better

Price

Milwaukee 2880-20 is $143.99, significantly cheaper than $189.84 for Milwaukee Electric.

Sales Rank

Milwaukee 2880-20 has a sales rank of 6,936 compared to 26,257 for Milwaukee Electric.

Battery Compatibility

Milwaukee 2880-20 is compatible with all M18 batteries.

Why Milwaukee Electric - M18 Fuel 4-1/2-6 Braking is better

Braking Feature

Milwaukee Electric has a braking feature for enhanced safety.

Build Quality

Milwaukee Electric is designed for demanding applications.

Ergonomics

Milwaukee Electric features an ergonomic paddle switch.

Overall score

Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion
85
Milwaukee Electric - M18 Fuel 4-1/2-6 Braking
75

Specifications

SpecMilwaukee 2880-20 M18 Fuel Brushless Lithium-IonMilwaukee Electric - M18 Fuel 4-1/2-6 Braking
BrandMilwaukeeMilwaukee
Model2880-203670-20
Power SourceCordlessCordless
Grinder Size4-1/2 in / 5 in4-1/2 in / 6 in
Motor TypeBrushlessBrushless

Dimension comparison

Milwaukee 2880-20 M18 Fuel Brushless Lithium-IonMilwaukee Electric - M18 Fuel 4-1/2-6 Braking

Overview of the Milwaukee 2880-20

The Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder is designed for users who prioritize performance and safety. With a current price of $143.99, it falls on the lower end of the price scale compared to its competitor. This model features an electronic clutch for kickback protection and overload protection to maximize motor life, making it a reliable choice for various grinding tasks. Additionally, it is compatible with all M18 batteries, ensuring versatility for users who already own Milwaukee tools. The grinder has a sales rank of 6,936, indicating a solid presence in the market.

Overview of the Milwaukee Electric M18 Fuel Grinder

The Milwaukee Electric M18 Fuel 4-1/2-6 Braking Grinder Paddle Switch is priced at $189.84, making it about 32% more expensive than the Milwaukee 2880-20. This model is distinguished by its braking feature, which enhances user safety by stopping the wheel quickly. It also boasts a robust build, suitable for demanding applications. The grinder's sales rank is 26,257, which suggests it may not be as popular as the Milwaukee 2880-20, although it still holds its ground in the market for professional-grade tools.

Performance Comparison

In terms of performance, both grinders offer exceptional features tailored to different user needs. The Milwaukee 2880-20 emphasizes safety with its electronic clutch and overload protection, while the Milwaukee Electric's braking feature provides an additional layer of control, particularly beneficial for heavy-duty tasks. The Milwaukee 2880-20 is designed for 4-1/2 inch and 5-inch applications, highlighting its versatility, whereas the Milwaukee Electric can handle both 4-1/2 inch and 6-inch grinding tasks. Users looking for a tool that can accommodate a wider variety of accessories may prefer the Milwaukee Electric.

User Comfort and Safety

User comfort and safety are paramount considerations for both products. The Milwaukee 2880-20 features an anti-vibration side handle to enhance user comfort during operation, which is crucial for prolonged use. On the other hand, the Milwaukee Electric's paddle switch design is intended to provide an ergonomic grip, which can be particularly useful in demanding situations. The Milwaukee Electric's braking system offers a significant safety advantage by reducing the risk of accidents, making it a preferable option for users who prioritize safety in high-stakes environments.

Battery Compatibility

Battery compatibility is another essential aspect where the Milwaukee 2880-20 shines. It is compatible with all M18 batteries, allowing users to interchange batteries seamlessly across other Milwaukee tools. This feature can save time and improve efficiency on job sites. In contrast, while the Milwaukee Electric is also part of the M18 system, its higher price may deter some users from purchasing additional batteries, especially if they do not already own Milwaukee products. For those already invested in the M18 ecosystem, both grinders provide excellent compatibility.

Price Analysis

The Milwaukee 2880-20 is priced at $143.99, making it more accessible for users on a budget. In comparison, the Milwaukee Electric is priced at $189.84, which represents a significant price difference of about $45.85, or roughly 32%. Given that both products are designed for similar tasks, the substantial price difference may influence buyers seeking to maximize their investment without sacrificing quality. The Milwaukee 2880-20 offers excellent value for those who require a reliable grinder without the need for advanced braking features.

Market Availability

In terms of market availability, the Milwaukee 2880-20 has a better sales rank at 6,936 compared to the Milwaukee Electric's rank of 26,257. This suggests that the Milwaukee 2880-20 is more favored among consumers, which may indicate higher customer satisfaction or better marketing strategies. The higher sales rank could imply that users find it to be a more reliable and effective option, making it a safer choice for first-time buyers or those unsure of which model to choose.

Which should you buy?

Ultimately, the choice between the Milwaukee 2880-20 and the Milwaukee Electric M18 Fuel Grinder depends on your specific needs and budget. If you are looking for a reliable, versatile grinder that offers excellent value at $143.99, the Milwaukee 2880-20 is a strong contender, especially given its higher sales rank and user-friendly features. However, if safety and advanced features like braking are your top priorities, and you are willing to invest more, the Milwaukee Electric at $189.84 may be the better option. Consider your requirements carefully to make the best choice for your projects.