Mini 550 DC Electric Motor 16.8V 18V 21V – Angle Grinder & Drill
Mini 550 DC Electric Motor – Universal Fit for Angle Grinders, Drills & Screwdrivers
Upgrade or replace the motor in your cordless power tools with this compact and reliable Mini 550 DC Electric Motor. Designed for universal compatibility across 16.8V, 18V, and 21V systems, this micro motor is an ideal replacement or upgrade component for angle grinders, drills, and electric screwdrivers. Whether you're a DIY enthusiast or a workshop professional, this motor delivers consistent performance in a conveniently small form factor.
Key Features
- Wide Voltage Compatibility: Works seamlessly with 16.8V, 18V, and 21V DC power tools — a true universal fit for most cordless tool platforms.
- Compact Design: Measures approximately 9.4 × 3.6 cm (3.7 × 1.42 in), making it easy to fit into tight tool housings without modification.
- Durable Metal Construction: Built from robust metal components for long-lasting performance under demanding workshop conditions.
- 550-Series Form Factor: Follows the widely adopted 550 DC motor standard — a trusted size used across countless power tool brands and models.
- Versatile Application: Suitable for angle grinders, cordless drills, electric screwdrivers, and other micro-motor applications.
- Easy Replacement: Drop-in replacement that simplifies tool repairs and extends the life of your existing power tools.
Product Specifications
- Model: 550 DC Electric Motor
- Voltage Range: 16.8V / 18V / 21V
- Dimensions: Approx. 9.4 × 3.6 cm / 3.7 × 1.42 in
- Material: Metal
- Compatibility: Universal – angle grinders, drills, screwdrivers
Why Choose This Motor?
Instead of replacing an entire power tool, swapping out a worn motor is a cost-effective and environmentally smart choice. The Mini 550 DC Electric Motor is engineered to meet the demands of everyday tool use — from grinding and cutting to drilling and fastening. Its universal voltage range means fewer compatibility headaches and more time getting the job done.
For guidance on safe power tool usage and workshop safety best practices, visit the OSHA Power Tools Safety resource.
Frequently Asked Questions
Q: What power tools is the Mini 550 DC Electric Motor compatible with?
A: This Mini 550 DC Electric Motor is designed for universal compatibility with angle grinders, cordless drills, and electric screwdrivers that operate on 16.8V, 18V, or 21V DC power systems. Its 550-series form factor is widely used across many tool brands, making it a versatile replacement motor.
Q: What are the dimensions of the Mini 550 DC Electric Motor?
A: The motor measures approximately 9.4 × 3.6 cm (3.7 × 1.42 inches), making it compact enough to fit into most standard cordless tool housings that use the 550-series motor format.
Q: What material is the Mini 550 DC Electric Motor made from?
A: It is constructed from durable metal components, ensuring it can withstand the mechanical stresses of regular power tool operation and deliver dependable, long-lasting performance.
Q: Is this motor a direct drop-in replacement?
A: In most cases, yes. The 550 DC motor is a standardized form factor used widely in the power tool industry. However, we recommend confirming the voltage rating and physical dimensions match your specific tool before installation to ensure a proper fit.