Description
High-Speed Turbo Fan Blower – Swappable 21700 Battery Edition
Experience powerful, adjustable airflow with this portable high-speed turbo fan. Designed for users who want flexible speed control and convenient battery replacement, this upgraded model combines a 29mm high-speed motor, dual stepless speed adjustment, and an integrated voltage display in a compact handheld design.
The interchangeable 21700 battery system makes it convenient to switch batteries when needed, while Type-C charging and multiple battery protection features provide additional everyday usability.
Key Features
High-Speed 29mm Motor
Equipped with a 29mm high-speed motor designed for strong, concentrated airflow. Maximum power is rated at up to 15W.
Dual Stepless Speed Control
Choose between two convenient speed adjustment methods:
Both controls support stepless speed adjustment for flexible airflow management.
Swappable 21700 Battery System
Designed for replaceable 21700 batteries, allowing convenient battery changes without relying exclusively on recharging the installed cells.
The standard package includes two 4000mAh 21700 full-tab batteries.
Integrated Voltage Display
The built-in display lets you monitor battery voltage during use, helping you keep track of the battery's current electrical status.
Copper Battery Contacts
Uses 0.4mm-thick pure copper battery contact springs, designed to provide low electrical resistance and help reduce contact-related heating under appropriate operating conditions.
Type-C Charging and Battery Protection
Supports Type-C charging and incorporates the following protection features:
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Battery reverse-polarity protection
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Over-discharge protection
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Overcharge protection
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Passive balancing support
Always use a compatible charging source and follow the supplied charging instructions.
Portable Black Finish
The standard version comes in black. Custom color options are currently unavailable.
Airflow Test Results
The following figures are based on tests of the swappable-battery version using 21700 full-tab batteries.
| Test Configuration |
Reported Force Reading |
| With nozzle, measured at 10 cm |
225 g ± 10 g |
| Without nozzle, measured at 1 cm |
300 g ± 10 g |
These are reported force readings under the stated test conditions, not airflow speed or volumetric airflow measurements. Results may vary with battery condition, nozzle configuration, measurement setup, and operating conditions.
Technical Specifications
| Specification |
Details |
| Product Type |
Portable High-Speed Turbo Fan Blower |
| Motor Diameter |
29 mm |
| Maximum Power |
15W |
| Speed Control |
Trigger and rotary dial, both stepless |
| Battery Type |
21700 rechargeable lithium-ion |
| Standard Batteries |
2 × 4000mAh |
| Battery System |
Replaceable / swappable |
| Charging Interface |
Type-C |
| Display |
Battery voltage display |
| Battery Contacts |
0.4mm-thick pure copper springs |
| Protection Features |
Reverse polarity, over-discharge, overcharge |
| Standard Color |
Black |
| Included Gift |
Storage case, color selected at random |
Package Contents
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1 × High-Speed Turbo Fan Blower
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2 × 4000mAh 21700 batteries
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1 × Storage case (color varies randomly)
Please confirm the final package contents against the selected product configuration before ordering.
Important Notes
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The storage case is included as a gift, and its color cannot be selected.
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The standard product color is black; custom colors are not currently available.
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Actual performance depends on battery charge, battery condition, and operating configuration.
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Use compatible 21700 batteries only. Observe correct polarity and do not use damaged batteries.
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Keep fingers and loose objects away from the high-speed fan inlet and outlet. Do not operate the device near flammable gases, combustible dust, or loose debris that could be drawn into the fan.
