Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" vs SundpeyPRO Cordless Impact Wrench 750Ft-lbs -
Updated August 2026 — Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" wins on led light and torque, SundpeyPRO Cordless Impact Wrench 750Ft-lbs - wins on weight.
The Protmex Cordless Impact Wrench offers higher torque and advanced features, making it the superior choice for heavy-duty tasks.
Why Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" is better
Higher Torque
Protmex has 900Ft-lbs vs SundpeyPRO's 750Ft-lbs
More Features
Protmex includes built-in LED light
Speed Settings
Protmex offers three adjustable speed settings
Why SundpeyPRO Cordless Impact Wrench 750Ft-lbs - is better
Lower Price
SundpeyPRO is priced at $69.98
Lightweight
SundpeyPRO is lighter at 9.48 lbs
Compact Design
SundpeyPRO has a more compact size
Overall score
Specifications
| Spec | Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" | SundpeyPRO Cordless Impact Wrench 750Ft-lbs - |
|---|---|---|
| Max Torque | 900Ft-lbs | 750Ft-lbs |
| Battery Capacity | 4.0Ah | 4.0Ah |
| RPM | 3500 | 2600 |
| LED Light | Yes | No |
| Overload Protection | Yes | Yes |
Dimension comparison
Overview of the Products
When comparing the Protmex Cordless Impact Wrench and the SundpeyPRO Cordless Impact Wrench, the Protmex model boasts a higher torque and advanced features, while the SundpeyPRO offers a more budget-friendly option. The Protmex is priced at $85.49, while the SundpeyPRO is about 17% cheaper at $69.98. This price difference reflects the varying capabilities and specifications of each product.
Torque and Performance
The Protmex Cordless Impact Wrench delivers a maximum torque of 900Ft-lbs (1200N.m), which is significantly higher than the SundpeyPRO's 750Ft-lbs (1000N.m). This means that the Protmex is better suited for heavy-duty tasks that require more power, such as automotive repairs or construction work. On the other hand, the SundpeyPRO, while offering less torque, is still powerful enough for general use in home and DIY projects.
Battery and Charging
Both impact wrenches come with 4.0Ah batteries, ensuring they can operate for extended periods without frequent recharging. The Protmex model features two batteries and a fast charger that can recharge them in one to two hours, enhancing user convenience. In contrast, the SundpeyPRO also includes two 4.0Ah batteries but emphasizes its high-performance design, which aids in longer usage times. Both models thus cater well to users who need reliability and efficiency in battery performance.
Design and Usability
In terms of design, the Protmex Cordless Impact Wrench is equipped with a built-in LED light, which improves visibility in dark or tight spaces. This feature makes it more user-friendly, especially for tasks in poorly lit areas. The SundpeyPRO, while lightweight and compact, does not mention any LED illumination, which might limit its usability in similar conditions. Both models prioritize ergonomics, with comfortable grips to reduce hand fatigue during prolonged use.
Speed Settings and Versatility
The Protmex offers three speed settings (0-2500RPM, 0-2900RPM, and 0-3500RPM), allowing users to adjust the wrench's speed based on the specific task at hand. This versatility can be particularly beneficial for varying applications, from delicate tasks to more robust operations. The SundpeyPRO also provides adjustable speed settings with three levels, but it does not specify the RPM range, making it less clear how it measures up in terms of speed performance.
Protection Features
Both impact wrenches include safety features to protect against overload. The Protmex has a two-way brake stop mechanism that activates once a nut or bolt is loose, reducing speed and torque to prevent accidents. Meanwhile, the SundpeyPRO includes 50A overload protection for the motor and 60A for the battery, ensuring safety during operation. While both models are equipped with protective features, the Protmex's brake stop stands out as an additional safety feature for users.
Applications and Use Cases
The Protmex is marketed for a wide range of applications, from vehicle maintenance to agricultural machinery, making it a versatile tool for both professionals and DIY enthusiasts. However, it is noted that it is not recommended for use on large trucks or semi-trailers. The SundpeyPRO, while also versatile, is particularly suited for smaller to medium-sized projects, including automotive repairs and product assembly. This distinction may influence a buyer’s decision based on their specific needs.
Which should you buy?
Choosing between the Protmex Cordless Impact Wrench and the SundpeyPRO Cordless Impact Wrench ultimately depends on your specific requirements. If you need a higher torque and more features like adjustable speed settings and built-in LED lighting, the Protmex at $85.49 is the better choice. However, if you are looking for a budget-friendly option that still offers solid performance for home and DIY projects, the SundpeyPRO at $69.98 might be the more suitable option. Consider your tasks and budget to make the best selection.

