RCINPOWER SmooX 1404 Plus 2750KV / 3850KV Brushless Motor for 2.5–4 Inch FPV Toothpick Drone

Overview

The RCINPOWER SmooX 1404 Plus Brushless Motor is designed for 2.5 to 4 inch FPV toothpick and micro long-range drones. With a lightweight 9g structure and smooth throttle response, it delivers excellent efficiency and power. Available in 2750KV (4–6S) and 3850KV (3–4S) options, this motor is suitable for freestyle, racing, and cinematic builds.

Key Features

• KV Options: 2750KV (4–6S) and 3850KV (3–4S)

• Weight: 9g (with 3cm wire)

• Configuration: 9N12P

• Shaft Diameter: 1.5mm (internal 2.0mm)

• Motor Dimensions: Φ19.2 × 13.1mm

• High efficiency at optimal current range

• Precision machining and stable performance

Specifications

2750KV (4–6S)

• Stator Size: 12mm × 4mm

• Idle Current @10V: 0.35A

• Internal Resistance: 400mΩ

• Max Continuous Power (3S): 155W

• Max Current (3S): 6.9A

• Optimal Current: 1.5–2A (efficiency >82%)

3850KV (3–4S)

• Stator Size: 12mm × 4mm

• Idle Current @10V: 0.57A

• Internal Resistance: 250mΩ

• Max Continuous Power (3S): 150W

• Max Current (3S): 9.6A

• Optimal Current: 2–4A (efficiency >82%)

Application

• 2.5 to 4 inch FPV Toothpick Drones

• Micro Long-Range Freestyle Quads

• Sub250g Racing and Cinematic Builds

Package Options

• 1 × SmooX 1404 Plus 2750KV or 3850KV Brushless Motor

• or 4 × SmooX 1404 Plus 2750KV or 3850KV Brushless Motors