Important Safety Instructions
Read 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.
- Always wear appropriate personal protective equipment, including eye protection.
- Keep the 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.
- Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.
- Avoid accidental starting. Ensure the switch is in the off-position before connecting to a battery pack, picking up, or carrying the tool.
- Use the correct tool for your application. Do not force the tool.
- Disconnect the battery pack from the tool before making any adjustments, changing accessories, or storing power tools.
- Store idle power tools out of the reach of children and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool.
- Maintain power tools and accessories. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the power tool’s operation.
- Use the power tool, accessories, and tool bits in accordance with these instructions, taking into account the working conditions and the work to be performed.
- Recharge only with the charger specified by the manufacturer.
- Do not use battery packs that are not designed for the tool.
- Do not expose power tools to rain or wet conditions.
Product Overview and Package Contents
The Seesii 3/8-inch Cordless Ratchet Wrench is designed for efficient tightening and loosening of fasteners in various applications. This section details the components included in your package.

Image: The Seesii Cordless Ratchet Wrench with its full set of accessories, including sockets, extension bar, and adapters.
Package Contents:
- 1 x Cordless Ratchet Wrench
- 8 x Sockets (various sizes)
- 1 x 3-inch Extension Rod
- 2 x 2000 mAh Lithium-ion Batteries
- 1 x 1/4-inch Drive Adapter
- 1 x 1/2-inch Drive Adapter
- 1 x Battery Charger
- 1 x Carrying Bag
Setup
1. Battery Charging and Installation:
The tool is powered by 2000 mAh Lithium-ion batteries. Ensure batteries are fully charged before first use.

Image: Diagram showing the 2000 mAh battery, its charging indicator, and built-in protection features like overcurrent, overpressure, and overheating protection.
- Connect the charger to a power outlet.
- Slide the battery pack onto the charger. The battery indicator lights will show the charging status. A full charge typically takes 30 minutes.
- Once fully charged, disconnect the battery from the charger.
- To install the battery, align the battery pack with the base of the ratchet wrench and slide it in until it clicks securely into place.
- To remove the battery, press the release button (if present) and slide the battery pack out.
2. Attaching Sockets and Adapters:
The ratchet wrench features a 3/8-inch drive. Use the provided sockets, extension rod, or adapters as needed.

Image: The 3/8-inch electric ratchet wrench head shown with a standard 3/8-inch drive, a 1/4-inch socket adapter, a 3-inch extension, and a set of seven 3/8-inch sockets.
- To attach a socket or adapter, simply push it onto the 3/8-inch square drive until it locks into place.
- To remove, pull the socket or adapter firmly off the drive.
- Use the 1/4-inch or 1/2-inch adapters to use sockets of different drive sizes.
- The 3-inch extension rod provides additional reach for fasteners in recessed areas.
Operating Instructions
Familiarize yourself with the controls and functions of the ratchet wrench before operation.
1. Powering On/Off and Variable Speed Trigger:

Image: A hand operating the variable speed trigger and the safety lock mechanism on the handle of the ratchet wrench. The harder the trigger is pressed, the faster the tool operates, up to 200 RPM.
- The tool features a variable speed trigger. The speed of the ratchet wrench is controlled by the amount of trigger depression. Pressing the trigger further increases the speed up to 200 RPM.
- To turn the tool off, release the trigger.
- A safety lock is integrated to prevent accidental operation. Engage the safety lock when the tool is not in use or during accessory changes.
2. Forward/Reverse Mechanism:

Image: A diagram showing the selector switch on the ratchet head, indicating how to switch between forward (tightening) and reverse (loosening) rotation.
- The forward/reverse switch is located on the head of the ratchet wrench.
- Push the switch to the left for forward rotation (tightening fasteners).
- Push the switch to the right for reverse rotation (loosening fasteners).
- Ensure the switch is fully engaged in the desired direction before operating the tool.
3. Integrated LED Work Light:

Image: The Seesii ratchet wrench in use, with its built-in LED light illuminating a dark engine compartment, providing clear visibility for the task.
- The integrated LED work light automatically illuminates when the trigger is pressed.
- This feature provides enhanced visibility in dimly lit or confined work areas, improving accuracy and safety.
4. General Operation:

Image: A collage demonstrating the Seesii ratchet wrench being used for different tasks, including working on an engine, tightening bolts, and reaching into tight spaces.
- Select the appropriate socket or adapter for the fastener.
- Ensure the battery is securely installed and charged.
- Set the forward/reverse switch to the desired direction (tighten or loosen).
- Place the socket onto the fastener.
- Press the variable speed trigger to operate the tool. Apply steady pressure.
- The tool provides a maximum torque of 90 N.m. For very tight fasteners, it may be necessary to manually break them loose first.
- The ergonomic design with a rubber grip helps reduce vibrations and improve comfort during extended use.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your Seesii Cordless Ratchet Wrench.
- Cleaning: Regularly clean the tool with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Keep ventilation openings free of dust and debris.
- Battery Care:
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- Do not store batteries in a discharged state for extended periods. Recharge them periodically.
- Avoid dropping or damaging battery packs.
- Storage: When not in use, store the ratchet wrench and its accessories in the provided carrying bag, in a dry, secure location out of reach of children.
- Inspection: Periodically inspect the tool for any signs of wear, damage, or loose components. Do not operate a damaged tool.
Troubleshooting
This section addresses common issues you might encounter with your cordless ratchet wrench.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start. | Battery not charged or improperly installed. Safety lock engaged. | Ensure battery is fully charged and securely installed. Disengage the safety lock. |
| Reduced power or intermittent operation. | Low battery charge. Overload. | Recharge the battery. Reduce the load on the tool. Allow the tool to cool down if it has been used continuously. |
| Socket does not attach securely. | Incorrect socket size or damaged drive. | Ensure you are using the correct 3/8-inch drive socket or appropriate adapter. Inspect the drive for damage. |
| Tool overheats. | Prolonged heavy use. Blocked ventilation. | Allow the tool to cool down. Clear any debris from the ventilation openings. Avoid continuous heavy-duty tasks. |
Specifications
Technical specifications for the Seesii 3/8-inch Cordless Ratchet Wrench.
| Feature | Specification |
|---|---|
| Brand | Seesii |
| Model Number | CP1B0094-01 |
| Drive Size | 3/8 inch |
| Maximum Torque | 90 N.m (66.36 ft-lbs) |
| No-Load Speed | 0-200 RPM (Variable Speed) |
| Battery Type | Lithium-ion |
| Battery Capacity | 2 x 2000 mAh (21V) |
| Charging Time | Approx. 30 minutes (with fast charger) |
| Material | Alloy Steel |
| Color | Black / Teal |
| Product Dimensions | Approx. 38.29 x 29.9 x 10 cm |
| Product Weight | Approx. 3.67 kg (including batteries) |
Warranty and Support
For warranty information or technical support regarding your Seesii Cordless Ratchet Wrench, please refer to the documentation included with your purchase or contact the manufacturer directly.
Please note that information regarding spare parts availability is not provided in this manual. For service or replacement parts, contact Seesii customer service.