AOBEN 21V Cordless Impact Wrench, 400N.m Max vs BDJHMP Cordless Impact Wrench 1/
Updated August 2026 — AOBEN 21V Cordless Impact Wrench, 400N.m Max wins on battery life and weight, BDJHMP Cordless Impact Wrench 1/ wins on speed control and versatility.
The AOBEN 21V Cordless Impact Wrench is a budget-friendly option for light tasks, while the Cordless Impact Wrench 1/2 Inch offers higher torque and versatility for demanding applications.
Why AOBEN 21V Cordless Impact Wrench, 400N.m Max is better
Price
AOBEN is $31 cheaper.
Weight
AOBEN is lighter for easier handling.
Included Accessories
AOBEN comes with 6 impact sockets.
Why BDJHMP Cordless Impact Wrench 1/ is better
Torque
Cordless Impact Wrench has 1500 N.m vs AOBEN's 400 N.m.
Speed Settings
Cordless Impact Wrench offers 4 adjustable speeds.
Motor Type
Cordless Impact Wrench features a brushless motor for efficiency.
Overall score
Specifications
| Spec | AOBEN 21V Cordless Impact Wrench, 400N.m Max | BDJHMP Cordless Impact Wrench 1/ |
|---|---|---|
| Max Torque | 400 N.m | 1500 N.m |
| Speed Control | Variable | 4 Settings |
| Battery Type | Li-ion | Makita Compatible |
| LED Light | No | Yes |
| Ergonomics | Yes | Yes |
Dimension comparison
Overview of the Products
The AOBEN 21V Cordless Impact Wrench is priced at $53.99, while the Cordless Impact Wrench 1/2 Inch is listed at $84.99, making the AOBEN about 36% cheaper. Both tools are designed for high torque applications, but they cater to slightly different needs and preferences. The AOBEN offers a maximum torque of 400 N.m, while the Cordless Impact Wrench boasts a higher torque of 1500 N.m. This significant difference in torque output is a key factor in evaluating their performance.
Design and Build Quality
The AOBEN features a lightweight design with a soft grip handle for comfort during extended use, which reduces fatigue. In contrast, the Cordless Impact Wrench 1/2 Inch emphasizes versatility with its 4-in-1 multifunctional design, allowing it to operate as an impact wrench, screwdriver, and drill. While both products are designed for user comfort and ease of handling, the Cordless Impact Wrench's multifunctionality may appeal more to users who require a versatile tool for various tasks.
Power and Performance
The AOBEN delivers a maximum torque of 400 N.m and operates at a speed of up to 3000 RPM. This allows for efficient performance in household maintenance and light construction projects. Conversely, the Cordless Impact Wrench provides a robust torque of 1500 N.m, significantly enhancing its power for more demanding applications. The brushless motor in the Cordless Impact Wrench also promises quieter operation and longer tool life, which may be important for users looking for durability and efficiency.
Battery Life and Charging
The AOBEN includes a 4.0Ah Li-ion battery, which is double the capacity of typical wrenches, ensuring extended usage without the worry of losing power mid-task. Additionally, it comes with a fast charger for quick turnaround. The Cordless Impact Wrench does not specify battery capacity in the provided details, but its compatibility with Makita 18V batteries offers flexibility for users who may already own Makita batteries. This aspect might be a deciding factor for those who prioritize battery interchangeability.
Speed Settings and Control
The AOBEN's speed can be controlled through a simple switch, allowing users to adjust the speed according to their needs. On the other hand, the Cordless Impact Wrench features four adjustable speed settings (1200, 1800, 2400, and 3000 RPM), giving users more control over their work. This level of customization can be particularly beneficial for tasks requiring precision, making the Cordless Impact Wrench a more adaptable option for varied applications.
Additional Features
The AOBEN comes with a set of six impact sockets, providing immediate utility for various tasks right out of the box. It also emphasizes ergonomic design to minimize discomfort during prolonged use. In contrast, the Cordless Impact Wrench is equipped with an LED work light, enhancing visibility in dimly lit environments, and includes specific designs for high-altitude work, preventing loss of nuts and bolts. These additional features make the Cordless Impact Wrench more suited for users who often work in challenging conditions or require enhanced safety features.
Price Comparison
At $53.99, the AOBEN is a budget-friendly option compared to the Cordless Impact Wrench at $84.99, which is about 57% more expensive. For casual users or those who need a reliable tool for light to moderate tasks, the AOBEN presents a compelling choice. However, for professionals or those who anticipate needing higher torque and more advanced features, the investment in the Cordless Impact Wrench could prove worthwhile.
Which should you buy?
Ultimately, the decision between the AOBEN 21V Cordless Impact Wrench and the Cordless Impact Wrench 1/2 Inch comes down to the specific needs of the user. If you are looking for a cost-effective, lightweight tool for general household tasks, the AOBEN is an excellent choice with its lower price point and sufficient torque for everyday use. However, for those requiring higher torque, versatility, and additional features like adjustable speed settings and LED lighting, the Cordless Impact Wrench is the better option despite its higher price. Consider your typical projects and how often you will use the tool to make the best decision.

