• Surpass Hobby BAT S4320 380KV FPV brushless motor, front view with threaded shaft and BAT logo
  • Surpass Hobby BAT S4320 380KV FPV brushless motor kit with cable, mounting screws, washer and nut
  • Bottom view of S4320 motor showing red base plate, bearing, and exposed stator windings
  • Side view showing Surpass Hobby logo on motor can, red base mount, and attached wire lead
  • Surpass Hobby motor side profile with Surpass Hobby text on can and red mounting base
  • Angled view of BAT S4320 380KV motor showing top vents, threaded shaft, and red mount base
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Surpass Hobby BAT S4320 380KV FPV Brushless Motor, 12N14P, M6 Shaft, Ø51×64.5mm for Drones

Surpass Hobby BAT S4320 380KV FPV Brushless Motor, 12N14P, M6 Shaft, Ø51×64.5mm for Drones

Surpass Hobby

$75.00 USD
$75.00 USD
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Overview

Surpass Hobby BAT S4320 380KV is an FPV brushless motor designed for multirotor drone power systems, featuring an M6 shaft and a detachable structure to support cleaning and heat dissipation.

Key Features

  • M6 shaft with custom nut design to help protect steel shaft threads
  • Detachable structure for easier cleaning; front cover air outlet structure supports heat dissipation
  • NMB bearings for smooth, wear-resistant operation
  • 220°C high temperature resistant single-strand copper wire
  • 0.2 mm silicon steel sheet for reduced heat generation and improved efficiency
  • 48SH rotor with NdFeB magnets and a high-strength hollow core steel shaft (as described by the manufacturer)

Specifications

Brand Surpass Hobby
Series BAT
Model S4320
KV 380KV
Slot / Poles 12N14P
Max watts 3465.3 W
Max current 83.26 A
No-load current 0.86 A
Internal resistance 58.5 mΩ
Motor size Ø51 x 64.5 mm
Stator size Ø43 x 20 mm
Shaft Ø6 mm (M6)
Motor wire 14# , 670 mm
Weight 300.7 g
Max thrust 7694 g

Thrust Test Data

Test prop: GF1310-3

Throttle RPM Volts (V) Amps (A) Watts (W) Torque (N·m) Thrust (g) Efficiency (g/W) Motor efficiency (%) Temp (°C)
50% 6792 41.95 11.02 462.3 0.502 2266 6.3 77.2 33.3
60% 8162 41.91 19.44 814.7 0.758 3358 5.2 79.5 33.8
70% 9348 41.86 31.17 1304.8 1.057 4481 4.3 79.3 34.3
80% 10321 41.79 45.39 1896.8 1.352 5570 3.8 77.0 35.1
90% 11225 41.72 61.00 2544.9 1.654 6564 3.4 76.4 37.0
100% 12085 41.62 83.26 3465.3 1.995 7694 3.0 72.9 39.3

What's Included

  • Surpass Hobby BAT S4320 380KV FPV Brushless Motor (choose 1PCS or 4PCS)

For compatibility questions (props, frames, or power setup planning), contact customer support at https://rcdrone.top/ or email [email protected].

Details

Surpass Hobby BAT S4320 380KV FPV brushless motor overview with red base and M6 shaft

Built for multirotor power systems, the BAT S4320 380KV motor pairs a compact body with a high-efficiency FPV-focused design.

Close-up of M6 motor shaft and custom locking nut design to help protect steel shaft threads

An M6 shaft with a custom nut helps fit common propellers while reducing wear on the shaft threads during installs and swaps.

Rotor assembly detail with 48SH rotor magnet tiles and hollow core steel shaft construction

A 48SH rotor with NdFeB magnet tiles and a hollow core steel shaft supports responsive throttle changes and steady output.

Stator and bearing materials graphic highlighting NMB bearings, high-temp copper wire and silicon steel sheet

NMB bearings and high-temperature copper winding are used to support smooth running and heat-resistant performance.

Exploded view showing detachable motor structure and front cover airflow channels for heat dissipation and cleaning

Detachable construction makes cleaning easier, and the front cover airflow outlets are designed to improve heat dissipation.

Surpass Hobby BAT S4320 380KV FPV brushless motor thrust test table and dimension drawing (Ø51×64.5 mm)

Reference charts list thrust test results and key dimensions to help plan prop, frame, and power-system compatibility.

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