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Black cordless blower with built-in LED light and nozzle attached

Rosewill BS03 Cordless Blower 300000RPM 30W 8000mAh Black

SKU CH-CXF8-BA421

A cordless centrifugal blower with a 300000 RPM brushless motor, 120 m/s wind speed, 200 G blowing force, 3 adjustable gears, 500 lumen LED with 4 light modes, 8000 mAh battery and 30 W fast charging

  • Rotational speedLight Grey
  • Labor warranty1 Year
  • Product typeCentrifugal Blowers
  • Product colorBlack
  • Parts warranty1 Year
  • Blowing force of 200G clears dust from keyboards and PC cases
  • 300,000 RPM brushless motor reaches 120 m/s wind speed for tough debris
  • Three adjustable gears match airflow to electronics, home or outdoor tasks
  • 8000 mAh battery with 30 W fast charging gives long runtime between charges
  • 500 lumen LED with four light modes illuminates dark corners while cleaning

Cordless Blower for Electronics and Vehicles

The Rosewill BS03 is a new centrifugal blower built around a brushless motor rated at 300000RPM. It produces a maximum wind speed of 120m/s and a blowing force of 200G to clear dust from PC cases, keyboards, cameras and car interiors. The 8000mAh battery supports cordless operation and recharges at 30W. Three adjustable gears let the user match airflow to the task.

Runtime and Charging Limits

Battery life varies with the selected gear and the continuous load placed on the motor. The 30W input caps the recharge rate so a depleted pack cannot be topped up instantly. Users planning long cleaning sessions should expect to pause for recharging. The integrated LED offers 500 lumens across four modes but draws from the same cell.

Motor Speed Determines Suitability

The single figure that decides fit is the 300000RPM brushless motor. It sets the peak airflow and static pressure available for dislodging dust from tight fins or inflating camp gear. Buyers who need sustained high-volume flow for large workshops or industrial ducts will find the output limited by this motor class.

How it compares

Measured against everything we stock in Air Blowers & Movers, at today’s prices. Recalculated every night.

Price $44.99
Cheaper than about 79% of the 322 comparable items (median $143.49).

Specifications

Product
Brand nameRosewill
Part numberBS03
Product typeCentrifugal Blowers
Product colorBlack
Performance
Rotational speedLight Grey

Questions about this item

What are the three speed gears on the Rosewill BS03 and how do I pick one?

The blower has three adjustable gears; choose low for light dust on keyboards, medium for general electronics and car vents, and high for stubborn debris or outdoor tasks.

What does the 300,000 RPM motor actually deliver when I use it?

The brushless motor produces a blowing force of 200G and a maximum wind speed of 120 m/s, clearing dust from PC cases, cameras and tight crevices effectively.

How fast does the 8000 mAh battery recharge with the 30 W input?

The 30 W fast-charging capability refills the 8000 mAh battery quickly, giving ultra-long runtime between charges for extended cleaning sessions.

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