HAKRC BLS 15A 4-in-1 ESC For FPV Drone – 2–4S LiPo, 20x20mm, DShot600, BLHeli_S Firmware

The HAKRC BLS 15A 4-in-1 ESC is a compact and lightweight electronic speed controller designed for micro FPV drones and ultralight builds. It supports up to 2–4S LiPo input, delivering 15A continuous current and up to 25A burst current per channel.

Built around the EMF8BB21F16G 48MHz MCU, this ESC features a dual-pad soldering design, imported high-frequency MOSFETs, and 3-in-1 FD6288Q drivers, ensuring stable output, efficient operation, and precise throttle control. The 4-layer PCB with 2oz copper and metallized pad edges improves thermal performance and durability under demanding flight conditions.

🔧 Specifications

• MCU: EMF8BB21F16G, 48MHz

• Firmware: BLHeli_S (G_H_20 – Rev. 16.7 – Multi)

• Input Voltage: 2S–4S LiPo

• Continuous Current: 15A

• Burst Current: 25A

• Supported Protocols: DShot150/300/600, PWM, OneShot125, OneShot42, MultiShot

• Mounting Dimensions: 20x20mm (hole spacing)

• ESC Size: 32 × 30 mm

• ESC Weight: 5.3g

• Packaging Size: 64 × 64 × 35 mm

• Packaging Weight: 18g

🚀 Key Features

• High-efficiency 4-in-1 design for micro quads

• Damped Light braking & hardware PWM for smooth throttle response

• Metallized PCB edge wrap to prevent pad damage

• Optimized for 2–4S ultralight racing drones, toothpick builds, and cinewhoops

• Fully compatible with BLHeliSuite, BetaFlight, and CleanFlight tuning

HAKRC ESC-15A 4-in-1, 2-4S BLHeli_S, www.hakrc.com, electronic speed controller.

HAKRC BLS 15A 4-in-1 ESC with cables and packaging displayed.