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AOBEN 21V Cordless Impact Wrench, 400N.m Max vs DIYtoolifz Cordless Impact Wrench 1/

Updated August 2026 — AOBEN 21V Cordless Impact Wrench, 400N.m Max wins on battery life and ergonomics, DIYtoolifz Cordless Impact Wrench 1/ wins on torque and features.

The DIYtoolifz Cordless Impact Wrench offers superior torque and advanced features, making it the better choice for heavy-duty tasks.

Why AOBEN 21V Cordless Impact Wrench, 400N.m Max is better

Price

AOBEN is $6 cheaper than DIYtoolifz.

Battery Included

AOBEN includes a 4.0Ah battery.

Speed

AOBEN has a higher maximum speed of 3000 rpm.

Why DIYtoolifz Cordless Impact Wrench 1/ is better

Torque

DIYtoolifz has a maximum torque of 1000 ft-lbs.

Versatility

DIYtoolifz offers four operational modes.

Sales Rank

DIYtoolifz has a better sales rank of 10,042.

Overall score

AOBEN 21V Cordless Impact Wrench, 400N.m Max
75
DIYtoolifz Cordless Impact Wrench 1/
85

Specifications

SpecAOBEN 21V Cordless Impact Wrench, 400N.m MaxDIYtoolifz Cordless Impact Wrench 1/
Max Torque400 N.m1360 N.m
Max Speed3000 rpm2100 rpm
Battery Type4.0Ah Li-ionNo Battery
Modes14
Weight5 lbs6 lbs

Dimension comparison

AOBEN 21V Cordless Impact Wrench, 400N.m MaxDIYtoolifz Cordless Impact Wrench 1/

Overview of AOBEN 21V Cordless Impact Wrench

The AOBEN 21V Cordless Impact Wrench stands out with a decent price of $53.99 and a maximum torque of 400 N.m. This tool is designed for various applications, including motorcycle maintenance and small-scale construction projects. It features a variable speed control that allows users to adjust the speed according to their needs, reaching up to 3000 rpm. This makes it a suitable choice for those looking for a reliable and powerful impact wrench for household tasks.

In addition to its performance metrics, the AOBEN impact wrench comes with a 4.0Ah battery that provides substantial power, enabling prolonged usage without interruptions. The product also includes six driver sockets and a fast charger, making it a comprehensive kit for users. With a sales rank of 46,178, it has a decent market presence but is not the best seller in its category.

Overview of DIYtoolifz Cordless Impact Wrench

The DIYtoolifz Cordless Impact Wrench is priced at $59.99, making it about 11% more expensive than the AOBEN model. This wrench is compatible with DeWalt 20V batteries and boasts impressive specifications, including a tightening torque of up to 950 ft-lbs (about 1287 N.m) and a loosening torque of 1000 ft-lbs (approximately 1360 N.m). Its brushless motor enhances efficiency and extends run time by 60% compared to traditional motors, which is a significant advantage for users who need reliability during extended tasks.

Despite its higher price, the DIYtoolifz impact wrench offers advanced features like four operational modes, including three forward speeds and one reverse speed, enhancing control and versatility. Its ergonomic design and built-in LED light provide added convenience, especially in low-light conditions. This model has a better sales rank of 10,042, indicating stronger market acceptance compared to the AOBEN.

Power and Torque Comparison

When it comes to power and torque, the DIYtoolifz Cordless Impact Wrench is the clear winner with a maximum loosening torque of 1000 ft-lbs (approximately 1360 N.m) compared to AOBEN's 400 N.m. This means the DIYtoolifz can handle tougher jobs, such as loosening stubborn bolts, making it more suitable for heavy-duty applications.

While the AOBEN offers a solid performance for everyday tasks, the higher torque of the DIYtoolifz makes it ideal for users who frequently engage in more demanding projects. The difference in torque capabilities is significant, providing a clear advantage to the DIYtoolifz for those who need a tool that can tackle a wider range of tasks.

Speed and Versatility

In terms of speed, the AOBEN model can reach up to 3000 rpm, which is impressive for most household applications. However, the DIYtoolifz offers a maximum speed of 2100 rpm, which might seem lower but is enhanced by its variable speed settings and auto-stop feature. This allows users to work with precision, avoiding over-tightening, which can be crucial in automotive and construction tasks.

The versatility of the AOBEN impact wrench lies in its ability to be used for both light construction and maintenance tasks, while the DIYtoolifz is more tailored for users who are likely to switch between various modes depending on the job at hand. The inclusion of additional features in the DIYtoolifz, such as the capability to work with DeWalt batteries, adds to its flexibility.

Battery Life and Charging

Battery performance is essential for cordless tools, and both models utilize lithium-ion batteries. The AOBEN comes with a 4.0Ah battery, which allows for extended use without the need for frequent recharging. This can be a significant advantage for users who engage in prolonged tasks.

On the other hand, the DIYtoolifz does not include a battery, which means users must invest in a compatible DeWalt 20V battery separately. This additional cost and requirement may not appeal to everyone, especially those looking for an all-in-one solution. However, the capability of the DIYtoolifz to work with high-capacity batteries means that users can choose their preferred power source, potentially enhancing performance.

Design and Ergonomics

The design of both impact wrenches reflects a focus on user comfort and control. The AOBEN features a lightweight design with a soft grip handle, reducing fatigue during extended use. This ergonomics-focused design is great for home users who may not use the tool for long periods but appreciate comfort.

In contrast, the DIYtoolifz also emphasizes ergonomics but includes a built-in LED light for visibility in darker workspaces. This feature is particularly beneficial for those who often work in low-light conditions, such as during auto repairs at night. Both models are designed to minimize user fatigue, although the added features of the DIYtoolifz may provide a slight edge in functionality.

Price Comparison

At $53.99, the AOBEN 21V Cordless Impact Wrench is about $6 cheaper than the DIYtoolifz, which retails for $59.99. This price difference may appeal to budget-conscious consumers seeking a reliable impact wrench for everyday tasks. While the AOBEN offers solid performance for the price, the additional features and higher torque of the DIYtoolifz may justify its higher cost for users who require a tool for more demanding applications.

Considering the sales rankings, the DIYtoolifz’s higher rank at 10,042 compared to AOBEN's 46,178 suggests that consumers might be willing to pay more for the additional benefits it offers. Ultimately, the choice may come down to the specific needs and usage scenarios of the buyer.

Which should you buy?

When deciding between the AOBEN 21V Cordless Impact Wrench and the DIYtoolifz Cordless Impact Wrench, consider your specific needs. If you require a powerful tool for heavy-duty tasks, the DIYtoolifz stands out with its higher torque and versatility, despite being priced about 11% higher. Conversely, if your needs are more focused on lighter maintenance tasks, the AOBEN is a solid, budget-friendly option that still delivers impressive performance. Your choice will depend on the balance between price, power, and the specific applications you need the tool for.