DC 3V 3.7V 20RPM Mini N20 All-Metal Gear Motor for RC Robot
DC 3V 3.7V 20RPM Mini N20 All-Metal Gear Motor for RC Robot
Mini N20 DC Gear Motor – Compact, Precise & All-Metal
The Mini N20 Gear Motor is a compact, high-quality brushed DC motor featuring an all-metal gearbox designed for precision low-speed applications. Running at a smooth 20RPM no-load speed on DC 3V–3.7V (compatible range: 1.5V–5.0V), this little powerhouse is perfect for RC models, robotics, 3D printers, and DIY automation projects. Its right-angle 14T output gear shaft (2mm diameter) and permanent magnet construction deliver reliable, consistent torque in a tiny footprint.
Made in Mainland China.
Key Specifications
- Model: N20 Gear Motor
- Rated Voltage: DC 3.7V
- Suitable Voltage Range: DC 1.5V – 5.0V
- No-Load Speed: 20 RPM
- No-Load Current: 40mA
- Output Shaft Diameter: 2mm (14T Gear)
- Commutation: Brush
- Construction: Permanent Magnet
- Gearbox Material: All Metal
- Protect Feature: Waterproof
- Output Power: <18.65W
- Certification: CE
- Package Includes: 1 × N20 Gear Motor
Why Choose the N20 Gear Motor?
- 🔩 All-Metal Gearbox – Durable construction for extended operational life under continuous load
- ⚙️ Right-Angle 14T Output Gear – Ideal for space-constrained builds where in-line motor placement isn't feasible
- 🔋 Wide Voltage Compatibility – Works with standard AA battery packs, LiPo cells, and USB power banks (1.5V–5.0V)
- 💧 Waterproof Design – Suitable for environments where moisture exposure is a concern
- 📐 Ultra-Compact Form Factor – The N20 standard size fits neatly into tight chassis and enclosures
- 🤖 Versatile Applications – RC cars, robotic arms, automated gadgets, 3D printer extruders, and more
Perfect For
- RC models and remote-control vehicles
- DIY robotics and automation projects
- 3D printer components
- Smart home actuators and small-scale machinery
- Educational STEM builds and maker projects
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Frequently Asked Questions
Q: What voltage range is compatible with the Mini N20 Gear Motor?
A: The N20 Gear Motor is rated at DC 3.7V but supports a broad operating range of DC 1.5V to 5.0V. This makes it compatible with single AA/AAA battery packs, 3V coin cells, 3.7V LiPo batteries, and standard 5V USB power supplies.
Q: What is the output shaft size and gear type on this motor?
A: The output shaft has a diameter of 2mm and uses a 14-tooth (14T) right-angle gear configuration, making it suitable for compact drivetrain layouts in robots, RC models, and 3D printer mechanisms.
Q: Is the N20 Gear Motor suitable for outdoor or wet environments?
A: Yes, this motor features a waterproof design, offering protection against moisture and light splashing — ideal for outdoor RC models or projects where humidity may be a factor.
Q: How many motors are included in one order?
A: Each order includes 1 × N20 Gear Motor. If you need multiple units for a multi-wheel robot or larger project, simply increase the quantity at checkout.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.