Mini DC 3V–5V M20 Air Pump 70–120 kPa | Micro Single Hole Pump
Mini DC 3V–5V M20 Air Pump 70–120 kPa | Micro Single Hole Pump
Mini M20 Precision Air Pump – Compact, Low-Voltage & Versatile
The M20 Mini Air Pump is a compact, high-efficiency micro pump designed for DC 3V–5V operation. Measuring just 8×32 mm, this single-hole metal pump delivers a precise air pressure range of 70–120 kPa, making it an ideal component for DIY electronics, aquarium aeration, small-scale automation, lab instruments, medical devices, and portable gadgets.
Made in Mainland China.
Key Features
- Wide Voltage Range: Operates on DC 3V to 5V — compatible with USB, battery, and microcontroller-powered projects
- Precision Air Pressure: 70–120 kPa output for controlled, consistent airflow
- Ultra-Compact Size: 8×32 mm footprint fits easily into tight enclosures and portable builds
- Metal Construction: Durable metal body for long-lasting, reliable performance
- Low Current Draw: Only 85–110 mA depending on voltage — energy-efficient for battery-powered applications
- Single Hole Design: Straightforward connection for simple pneumatic circuits
Technical Specifications
| Model | M20 Air Pump |
| Voltage Range | DC 3V – 5V |
| Rated Voltage | DC 5V |
| Air Pressure | 70 – 120 kPa |
| No-Load Current | 110 mA (at 5V) |
| Material | Metal |
| Dimensions | 8 × 32 mm |
Performance Test Data
| Voltage | Current |
|---|---|
| DC 3.0V | 85 mA |
| DC 3.7V | 93 mA |
| DC 5.0V | 110 mA |
What's in the Box?
- 1 × M20 Mini Air Pump
Great For
- DIY electronics & Arduino/Raspberry Pi projects
- Aquarium & fish tank aeration systems
- Portable inflatable devices
- Lab instruments & analytical equipment
- Pneumatic control circuits
- Small-scale automation systems
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Frequently Asked Questions
Q: What voltage does the M20 mini air pump operate on?
A: The M20 mini air pump operates on DC 3V to 5V, making it compatible with USB power sources, LiPo batteries (3.7V), and standard 5V microcontroller boards like Arduino or Raspberry Pi.
Q: What air pressure does this micro pump deliver?
A: This mini air pump delivers a precision air pressure range of 70–120 kPa, depending on operating voltage and load conditions. Higher voltage (up to 5V) yields greater pressure output.
Q: What are typical applications for this mini M20 air pump?
A: This compact air pump is commonly used in DIY electronics projects, aquarium aeration, portable pneumatic devices, small automation systems, and lab or analytical instruments where a low-voltage, high-precision air source is required.
Q: Is this pump suitable for continuous operation?
A: The M20 pump draws just 85–110 mA depending on voltage, making it energy-efficient. However, for continuous-duty applications, ensure adequate ventilation and a stable power supply to maintain consistent performance.