AOBEN 21V Cordless Impact Wrench, 400N.m Max vs MILWAUKEE'S Mid-Torque Impact Wrench,3/8",Cordless
Updated August 2026 — AOBEN 21V Cordless Impact Wrench, 400N.m Max wins on accessories and ergonomics, MILWAUKEE'S Mid-Torque Impact Wrench,3/8",Cordless wins on brand trust and speed control.
The AOBEN 21V Cordless Impact Wrench offers great value for casual users, while the Milwaukee model excels in professional performance.
Why AOBEN 21V Cordless Impact Wrench, 400N.m Max is better
Price
AOBEN is significantly cheaper at $53.99.
Battery
AOBEN has a 4.0Ah battery for longer usage.
Accessories
AOBEN includes six driver sockets.
Why MILWAUKEE'S Mid-Torque Impact Wrench,3/8",Cordless is better
Torque
Milwaukee provides 600 ft-lb of torque.
Motor
Milwaukee features a brushless motor for efficiency.
Control
Milwaukee has a four-mode drive control for versatility.
Overall score
Specifications
| Spec | AOBEN 21V Cordless Impact Wrench, 400N.m Max | MILWAUKEE'S Mid-Torque Impact Wrench,3/8",Cordless |
|---|---|---|
| Max Torque | 400 N.m | 600 ft-lb |
| Battery Voltage | 21V | 18V |
| Weight | Lightweight | 3.5 lb |
| Drive Size | N/A | 3/8 in |
| Motor Type | Brushed | Brushless |
Dimension comparison
Overview of the AOBEN 21V Cordless Impact Wrench
The AOBEN 21V Cordless Impact Wrench is priced at $53.99, making it a budget-friendly option for those seeking an effective tool for household maintenance and light construction projects. It features a powerful 21V engine that delivers a maximum torque of 400 N.m and a top speed of 3000rpm. This makes it suitable for various tasks, including motorcycle maintenance and product assembly. Notably, it comes with a 4.0Ah Li-ion battery, six driver sockets, and a fast charger, offering a comprehensive package for users. Its lightweight design and ergonomic handle enhance user comfort during extended use.
Overview of Milwaukee's Mid-Torque Impact Wrench
Milwaukee's Mid-Torque Impact Wrench is a premium tool priced at $204.65. This impact wrench boasts a maximum torque of 600 ft-lb, significantly higher than that of the AOBEN model. It operates on an 18V DC battery and features a brushless motor, which contributes to its efficiency and longevity. Additionally, it incorporates a four-mode drive control, allowing users to select the appropriate power level for different tasks. Weighing 3.5 lb, this tool is designed for optimal balance, making it suitable for use in tight spaces. Its sales rank of 37,732 suggests a solid customer interest in this high-performance tool.
Power and Performance Comparison
In terms of power and performance, Milwaukee's Mid-Torque Impact Wrench outshines the AOBEN model. With a maximum torque of 600 ft-lb, the Milwaukee impact wrench provides 50% more torque than the AOBEN's 400 N.m, which translates to greater efficiency in heavy-duty applications. This higher torque also allows for faster removal speeds, making it ideal for more demanding tasks. While the AOBEN runs at a maximum speed of 3000rpm, the Milwaukee's brushless motor enhances its overall performance, offering a better power-to-weight ratio. Users requiring robust performance for challenging projects will likely prefer the Milwaukee option.
Battery Life and Charging
When evaluating battery life and charging capabilities, the AOBEN model has a clear advantage with its 4.0Ah Li-ion battery, which is twice the power of many standard models. This allows users to work longer without worrying about battery depletion. The AOBEN also comes with a fast charger, ensuring minimal downtime. In contrast, Milwaukee's battery specifications were not detailed in the product description, but its 18V system suggests a reliable performance. However, given the higher price point of Milwaukee's tool, the AOBEN provides a more comprehensive battery setup for budget-conscious buyers who require extended usage without frequent recharges.
Ergonomics and Design
The AOBEN 21V Cordless Impact Wrench is designed with user comfort in mind, featuring a lightweight build and a soft grip handle to reduce fatigue. This ergonomic design is particularly beneficial for prolonged use, making it an excellent choice for DIY enthusiasts and homeowners. On the other hand, Milwaukee's Mid-Torque Impact Wrench, with its pistol grip handle and optimized weight of 3.5 lb, is also designed for comfortable handling, especially in tight spaces. Both tools feature ergonomics that cater to user comfort, but the AOBEN's emphasis on minimizing fatigue may appeal to casual users more than Milwaukee's focus on professional-grade performance.
Versatility of Use
The AOBEN 21V Cordless Impact Wrench is highly versatile, suitable for daily household maintenance, small-scale construction projects, and light equipment maintenance. The inclusion of six driver sockets makes it adaptable for various tasks, enhancing its value for DIY users. Conversely, Milwaukee's Mid-Torque Impact Wrench, while focused on professional applications, also offers versatility with its four-mode drive control. This feature allows for adjustments based on different tasks, making it effective in various settings. However, the AOBEN's package is more comprehensive for casual users, providing essential accessories to tackle a range of home projects.
Price Comparison
In terms of pricing, the AOBEN 21V Cordless Impact Wrench is significantly more economical at $53.99 compared to Milwaukee's Mid-Torque Impact Wrench, which retails for $204.65. This price difference of approximately 73% makes the AOBEN a compelling choice for budget-conscious consumers who need a reliable tool without overspending. While the Milwaukee model offers advanced features and higher torque, the AOBEN provides essential functionality at a fraction of the cost, making it a strong contender for everyday users.
Which should you buy?
Choosing between the AOBEN 21V Cordless Impact Wrench and Milwaukee's Mid-Torque Impact Wrench ultimately depends on your specific needs and budget. If you require a cost-effective solution for household tasks and light maintenance, the AOBEN is an excellent choice, offering significant value with its included accessories. However, if you're a professional or require heavy-duty performance, the Milwaukee model, with its superior torque and advanced features, may justify the higher investment. Consider your typical usage and budget to determine which impact wrench best fits your requirements.

