Overview
The Surpass Hobby BAT B4720 brushless motor is designed for 14-15 inch FPV drones. It is available in 430KV and 480KV versions, with an M6 threaded shaft for propeller mounting.
Key Features
- Detachable front-cover design for motor cleaning and heat dissipation.
- High-precision bearing.
- 220 C high-temperature multi-strand copper winding.
- 0.2 mm silicon steel stator laminations.
- N48SH NdFeB rotor magnets and a hollow steel shaft.
- M6 shaft with a custom nut to protect the shaft threads.
For product selection or after-sales assistance, contact rcdrone.top.
Specifications
| Parameter | 430KV | 480KV |
|---|---|---|
| Max power | 3618.2 W | 4542.3 W |
| Max current | 86.99 A | 109.56 A |
| No-load current | 1.38 A | 1.55 A |
| Internal resistance | 27.70 mOhm | 24.76 mOhm |
| Stator configuration | 12N14P | 12N14P |
| Motor size | 56 x 69.8 mm | 56 x 69.8 mm |
| Stator size | 47 x 20 mm | 47 x 20 mm |
| Shaft | 6 mm (M6) | 6 mm (M6) |
| Motor wire | 14 AWG, 400 mm | 14 AWG, 400 mm |
| Weight | 357.1 g | 358.1 g |
| Maximum thrust | 9007 g | 9858 g |
Maximum thrust figures were recorded with a GF1308 propeller during the listed test conditions.
What's Included
BAT B4720 brushless motor in the selected KV and quantity option.
Details

Designed for 14–15 inch FPV drone builds, the BAT B4720 is available in 430KV and 480KV options.

High-temperature copper windings, silicon steel laminations, and a precision bearing support efficient operation.

A detachable front cover helps make motor cleaning easier while supporting heat dissipation.

The M6 threaded shaft fits compatible propellers, while the custom nut helps protect the shaft threads.


Compare 430KV and 480KV electrical data, GF1308 propeller thrust results, and motor dimensions before selecting a version.
