1. Product Overview
The PAOWAFOL 1200N.m (900ft-lbs) Brushless Impact Wrench is a high-performance cordless tool designed for heavy-duty applications. It features a powerful brushless motor, providing significant torque and speed for various tasks, from automotive repairs to industrial maintenance.
Key features include:
- High Torque Output: Up to 1200 N.m (900 ft-lbs) for demanding fastening and loosening tasks.
- Brushless Motor: Enhanced power, efficiency, and extended lifespan compared to traditional brushed motors.
- Dual Battery System: Equipped with two 21V 4.0Ah lithium-ion batteries for prolonged operation.
- Variable Speed Control: Allows precise control over fastening and loosening operations.
- Forward & Reverse with Auto-Stop: Convenient direction control and an automatic stop feature in reverse mode to prevent nut splashing.
- Built-in LED Light: Illuminates the work area for improved visibility.
What's In Your Package
Your PAOWAFOL electric impact wrench kit includes the following components:
- 1 x 1200N.m Impact Wrench
- 2 x 4.0Ah Li-ion Battery Packs
- 1 x Desktop Fast Charger
- 5 x Sockets (17mm, 19mm, 21mm, 22mm, 24mm)
- 4 x Rubber Rings
- 4 x Belt Clips
- 1 x Sturdy Carrying Case
- 1 x User Manual (this document)

Image 1.1: Complete PAOWAFOL Impact Wrench Kit Contents.
2. Safety Information
Always read and understand all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
General Power Tool Safety Warnings
- Work Area Safety: Keep your work area clean and well-lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Electrical Safety: Avoid body contact with earthed or grounded surfaces. Do not expose power tools to rain or wet conditions.
- Personal Safety: Always wear eye protection. Use hearing protection when operating the tool for extended periods. Dress properly; avoid loose clothing or jewelry. Secure long hair.
- Tool Use and Care: Do not force the power tool. Use the correct power tool for your application. Disconnect the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools.
Battery and Charger Safety
- Only use the charger specified by the manufacturer. A charger that is suitable for one type of battery pack may create a risk of fire when used with another battery pack.
- Use power tools only with specifically designated battery packs. Use of any other battery packs may create a risk of injury and fire.
- When battery pack is not in use, keep it away from other metal objects, like paper clips, coins, keys, nails, screws or other small metal objects, that can make a connection from one terminal to another.
- Under abusive conditions, liquid may be ejected from the battery; avoid contact. If contact accidentally occurs, flush with water. If liquid contacts eyes, additionally seek medical help.
3. Setup
Charging the Battery
The PAOWAFOL impact wrench comes with two 21V 4.0Ah Li-ion battery packs and a fast charger. Ensure batteries are fully charged before first use for optimal performance.
- Connect the fast charger to a standard power outlet.
- Slide the battery pack onto the charger until it clicks into place.
- The charger's indicator light will show the charging status. A full charge typically takes approximately 3 hours.
- Once fully charged, remove the battery from the charger.

Image 3.1: Battery Capacity and Longevity Comparison.
Attaching Sockets
The impact wrench features a 1/2-inch chuck for attaching sockets.
- Ensure the tool is off and the battery is removed before attaching or removing accessories.
- Align the square drive of the desired socket (e.g., 17mm, 19mm, 21mm, 22mm, 24mm) with the 1/2-inch chuck on the impact wrench.
- Push the socket firmly onto the chuck until it locks securely into place.
- To remove, pull the socket off the chuck while pressing the release button (if applicable).
4. Operating Instructions
Powering On/Off and Variable Speed Trigger
The tool is activated by pressing the variable speed trigger. The speed of the wrench is controlled by the amount of pressure applied to the trigger.
- To start the tool, press the variable speed trigger.
- To increase speed, apply more pressure to the trigger.
- To decrease speed, release pressure from the trigger.
- To stop the tool, fully release the trigger.

Image 4.1: Three-Speed Mode Operation.
Forward and Reverse Modes with Auto-Stop
The impact wrench features a convenient side button to switch between forward (tightening) and reverse (loosening) rotation, as well as an auto-stop mode for enhanced safety.
- Forward Mode: Press the side button to the left for clockwise rotation, used for tightening screws and bolts.
- Reverse Mode: Press the side button to the right for counter-clockwise rotation, used for loosening screws and bolts.
- Auto-Stop Mode (in Reverse): When in reverse mode, once a nut or bolt is loosened, the tool will automatically reduce speed and stop. This feature helps prevent the nut from splashing off and ensures safer operation.

Image 4.2: Forward and Reverse Operation.
Built-in LED Working Light
The impact wrench is equipped with a built-in LED light that illuminates the work area, making it suitable for use in dimly lit conditions.
- The LED light activates automatically when the trigger is pressed.
- It provides visibility for tasks such as tire disassembly or working in confined spaces.

Image 4.3: Built-in LED Light in Use.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your PAOWAFOL impact wrench.
Cleaning
- Always disconnect the battery pack before performing any cleaning or maintenance.
- Use a clean, damp cloth to wipe down the exterior of the tool. Do not use harsh chemicals or abrasive cleaners.
- Keep the ventilation openings clear of dust and debris to prevent overheating. Use compressed air if necessary to clear vents.
Storage
- Store the tool and battery packs in a cool, dry place, away from direct sunlight and extreme temperatures.
- When storing for extended periods, ensure batteries are partially charged (around 50%) to prolong their lifespan. Avoid storing fully charged or completely depleted batteries.
- Use the provided sturdy carrying case for organized and protected storage.
Battery Care
- Do not expose battery packs to water or moisture.
- Do not attempt to disassemble or modify the battery pack.
- Recycle old or damaged battery packs according to local regulations.
6. Troubleshooting
This section addresses common issues you might encounter with your PAOWAFOL impact wrench.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not charged Battery not properly inserted Tool malfunction | Charge the battery fully Ensure battery is securely clicked into place Contact customer support if issue persists |
| Low power/torque | Battery low Incorrect speed setting Overheating | Recharge the battery Adjust to a higher speed mode Allow tool to cool down before resuming use |
| Socket not attaching securely | Debris in chuck Socket not fully pushed on | Clean the chuck area Push socket firmly until it clicks |
| Tool stops unexpectedly | Overload protection activated Battery depleted | Reduce load on the tool Recharge or replace battery |
7. Specifications
Detailed technical specifications for the PAOWAFOL 1200N.m Brushless Impact Wrench.
| Feature | Specification |
|---|---|
| Model Number | A151002EU |
| Brand | PAOWAFOL |
| Max Torque | 1200 N.m (900 ft-lbs) |
| No-Load Speed | 0-3500 RPM |
| Voltage | 21 Volts |
| Battery Type | Lithium Ion |
| Battery Capacity | 4.0 Ah (4000 mAh) |
| Chuck Size | 1/2 Inch Square Drive |
| Motor Type | Brushless |
| Item Weight | 1.9 Pounds (tool only) |
| Material | Alloy Aluminum |
| Special Features | Built-In LED Working Light, Variable Speed Trigger, Forward/Reverse with Auto-Stop |
8. Warranty and Support
PAOWAFOL is committed to providing excellent customer service and support for your product.
Customer Support
If you have any questions, concerns, or require assistance with your PAOWAFOL impact wrench, please do not hesitate to contact our customer support team. We aim to provide prompt and helpful responses to ensure your satisfaction.
- For the fastest assistance, please refer to the contact information provided on the product packaging or the official PAOWAFOL website.
- When contacting support, please have your product model number (A151002EU) and purchase details ready.

Image 8.1: PAOWAFOL Customer Support.
Warranty Information
Specific warranty terms and conditions may vary. Please refer to the warranty card included with your product or visit the official PAOWAFOL website for detailed warranty information regarding defects in materials and workmanship.