• 310 mini vacuum pump motors for negative pressure applications, lightweight design, DC 3.7V rated voltage.
  • Close-up of a 310 mini vacuum pump motor showing specifications: 3.7V, 6500 RPM, ideal for negative pressure applications.
  • 3.7V mini vacuum pump dimensions showing size and weight of 37.5g with a coin for scale.
  • Close-up of a mini vacuum pump with 4.2mm air inlet and 4.3mm outlet, held in hand, showcasing its compact design.
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3.7V Mini Vacuum Pump (DC 310) | Micro Air Pump 6500 RPM

3.7V Mini Vacuum Pump (DC 310) | Micro Air Pump 6500 RPM

HK$20.00
HK$20.00
Sale Sold out
Shipping calculated at checkout.

Delivery Options

  • Local delivery within Hong Kong and in-store pickup.​
  • Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
  • Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
  • Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
  • In-store pickup details (location and time) will be confirmed by email or phone message.​
  • Delivery times are estimates and may be affected by weather or unforeseen circumstances.​

Unlock high-efficiency suction and airflow with the 3.7V Mini Vacuum Pump (DC 310). Compact yet powerful, this lightweight pump uses a high-speed micro motor to deliver performance superior to typical 370 pumps — all within a space-saving design.
Ideal for beauty equipment, portable medical instruments, lab projects, and DIY electronics, this pump can operate as both a vacuum pump and an air pump, providing maximum flexibility for makers and engineers.

Why You’ll Love It

  • Compact body, strong suction — ideal for portable devices.
  • Dual-use: works as both vacuum and air pump.
  • Fast 6500 RPM for quick and stable performance.
  • Lightweight at only 37.5g for handheld or mobile applications.
  • Compatible with DC 3V–5V — power via USB or power bank.

Technical Specifications

Parameter Specification
Motor Type Mini DC 310
Voltage Range DC 3V–5V
Rated Voltage DC 3.7V
Rated Current 0.51A
Speed 6500 RPM
Weight 37.5g
Reference Current 3V → 0.42A / 3.7V → 0.51A / 4.2V → 0.58A / 5V → 0.68A


Usage Tips
⚠ This mini pump achieves strong suction by running at high RPM, and noise levels are higher than low-speed models.
For best balance of noise and suction, operate at DC 3.7V.

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