HDZero Halo 70A BLHeli_32 3-8S 4-in-1 ESC for FPV Racing and Freestyle

Introduction

The HDZero ESC 4in1 Halo 70A BLHeli_32 is a high-performance electronic speed controller designed for serious FPV drone pilots. Whether you're competing in races or pushing the limits with freestyle maneuvers, this ESC provides the raw power, clean efficiency, and unwavering reliability you need. Its innovative split-board architecture separates power and control stages, significantly improving thermal management and boosting resilience against impacts.

Key advantages

• Engineered for elite FPV racing and freestyle builds.
• Split-board architecture enhances cooling and impact resistance.
• Features a copper busbar and an 8-layer PCB with 3oz copper per layer for superior current handling.
• Provides ultra-clean output power, safeguarding your flight controller from voltage spikes.
• Equipped with 24 high-performance MOSFETs for strong, stable current delivery.
• Conformal coating protects against moisture, dust, and corrosion.
• Dual-sided motor pads simplify building and repairs.
• Supports advanced digital protocols including DShot150-2400, OneShot, and MultiShot for precise control.

Technical specifications

• MCU: AT32F421 (120 MHz)
• Firmware: BLHeli 32.10
• Input Voltage: DC 9V - 40V (3S - 8S)
• Telemetry: Supported
• Input Signal: Dshot 150/300/600/1200/2400, MultiShot, OneShot
• Output Voltage: VBAT (for FC power)
• Max Current: 70A+ per channel (continuous) / 100A per channel (burst)
• Current Sensor: Scale = 170, Offset = 0
• Solder Pads: Dual-sided
• Dimensions: 33x43 mm
• Mounting: 20x20 mm, Φ4 mm holes with Φ3 mm standoffs

Applications

This ESC is ideal for high-performance FPV drones used in racing, aggressive freestyle flying, and demanding aerial cinematography where power and reliability are paramount. Its robust design also makes it suitable for endurance flights where consistent power delivery is critical.

Compatibility

Compatible with 3S to 8S LiPo batteries. Supports DShot150-2400, OneShot, and MultiShot input signals. Features a 20x20mm mounting pattern.

FAQ

What is the maximum input voltage for the HDZero Halo 70A 4-in-1 ESC?

The HDZero Halo 70A ESC supports a wide input voltage range, from DC 9V to 40V, which is equivalent to 3S to 8S LiPo batteries. This makes it highly versatile for various FPV drone builds.

What firmware does the HDZero Halo 70A ESC use and what protocols does it support?

This ESC runs on BLHeli_32.10 firmware and supports digital input signals like DShot150, DShot300, DShot600, DShot1200, DShot2400, as well as OneShot and MultiShot protocols for precise control.

What are the main advantages of the split-board design in the HDZero Halo 70A ESC?

The split-board architecture separates the power and control stages, which leads to improved thermal stability and greater resistance to physical impacts. This design enhances the overall reliability and longevity of the ESC.

Is the HDZero Halo 70A ESC suitable for aggressive FPV flying?

Yes, it is specifically designed for high-performance FPV racing and freestyle builds. Its robust construction, high current handling (70A continuous, 100A burst), and precise throttle response make it ideal for aggressive flying styles.

Where can I buy the HDZero Halo 70A ESC with fast delivery?

You can buy the HDZero Halo 70A BLHeli_32 4-in-1 ESC at HTDRONE, our specialized FPV drone parts store. We offer fast shipping within Poland and reliable worldwide delivery via DHL.