Introduction
Thank you for purchasing the Mainstays 10-Inch Portable Dual Powered Fan. This fan is designed for versatile use, offering both battery and AC power options for your convenience. Please read this manual thoroughly before operating the fan to ensure safe and efficient use.

Image: The Mainstays 10-Inch Portable Dual Powered Fan, shown in its packaging. This image illustrates the fan's design and key features as presented on the product box.
Safety Information
Please observe the following safety precautions to reduce the risk of fire, electric shock, or injury:
- Do not operate any fan with a damaged cord or plug. Discard fan or return to an authorized service facility for examination and/or repair.
- Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Do not route cord under furniture or appliances. Arrange cord away from traffic area and where it will not be tripped over.
- Always unplug the fan when moving it, cleaning, or when not in use.
- Do not immerse the fan in water or other liquids.
- Keep fingers and other objects away from the fan blades and openings during operation.
- This fan is intended for household use only. Do not use outdoors.
- Ensure batteries are inserted with correct polarity. Remove batteries if the fan will not be used for an extended period.
Package Contents
- Mainstays 10-Inch Portable Dual Powered Fan
- AC Adapter
- User Manual (this document)
Note: 8 "D" batteries are required for battery operation and are not included.
Setup
1. Battery Installation
- Locate the battery compartment on the back or bottom of the fan.
- Open the battery compartment cover.
- Insert 8 "D" size batteries (not included), ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
Important: Always use fresh batteries of the same type. Do not mix old and new batteries or different types of batteries.
2. AC Power Connection
- Locate the AC adapter port on the fan.
- Plug the included AC adapter into the fan's AC adapter port.
- Plug the other end of the AC adapter into a standard 120V AC wall outlet.
Note: When the AC adapter is connected, the fan will draw power from the AC outlet, even if batteries are installed.
Operation
1. Powering On/Off and Speed Settings
- Locate the control button on the fan.
- Press the button once to turn the fan ON to the LOW speed setting.
- Press the button a second time to switch to the HIGH speed setting.
- Press the button a third time to turn the fan OFF.
2. Adjusting Fan Angle
The fan head can be manually tilted up or down to direct airflow as desired. Gently adjust the fan head to the preferred angle.
Maintenance
Cleaning
- Always unplug the fan from the power source (AC adapter or remove batteries) before cleaning.
- Use a soft, damp cloth to wipe the exterior surfaces of the fan.
- Do not use abrasive cleaners or solvents, as these may damage the fan's finish.
- For cleaning the fan blades, use a vacuum cleaner with a brush attachment to remove dust from the grilles. Do not attempt to disassemble the fan to clean the blades directly unless specified by the manufacturer.
- Ensure the fan is completely dry before reconnecting to power.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on. | No power supply; batteries drained or incorrectly installed; AC adapter not connected. | Check AC adapter connection and wall outlet. If using batteries, ensure they are fresh and correctly inserted. |
| Fan runs slowly or weakly. | Low battery power. | Replace batteries with a fresh set or use the AC adapter. |
| Unusual noise during operation. | Obstruction near blades; fan not on a stable surface. | Ensure no objects are interfering with the blades. Place the fan on a flat, stable surface. |
Specifications
- Model: B07119VCPM
- Dimensions (W x D x H): 12.4 in x 4.3 in x 13.58 in (31.5 cm x 11 cm x 34.5 cm)
- Power Source: 8 x "D" batteries (not included) or AC adapter (included)
- Voltage: 120 Volts (AC adapter)
- Control Type: Button Control
- Weight: Approximately 2.71 pounds
- UPC: 863979000309
Warranty
This Mainstays 10-Inch Portable Dual Powered Fan comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, accident, alteration, or unauthorized repair. Please retain your proof of purchase for warranty claims.
Customer Support
For further assistance, troubleshooting not covered in this manual, or warranty inquiries, please refer to the retailer's customer service or the manufacturer's official website. Please have your product model number (B07119VCPM) and proof of purchase ready when contacting support.