SKU: DRFC-0174
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BLHeli-S 20A D-Shot 2-4S Brushless ESC

₹1,129.00 (Inclusive of all taxes)
Out of Stock

This BLHeli-S 20A D-Shot ESC provides precise motor control for FPV drones, featuring a 32-bit ARM Cortex M4 MCU and support for 2-4S LiPo batteries. Its compact design ensures easy integration and reliable performance for competitive flying.

Features

  • Powered by a high-performance 32-bit ARM Cortex M4 MCU running at 80 MHz for rapid processing.
  • Supports Dshot150/300/600, MultiShot, and OneShot protocols for ultra-fast digital communication.
  • Provides a continuous 20A (burst 25A) current capacity, ideal for 2-4S LiPo FPV drone setups.
  • Engineered with ultra-low internal resistance MOS for efficient heat dissipation and enhanced stability.
  • Compact and lightweight design simplifies installation in demanding FPV racing and freestyle frames.

Out of stock

Description

The BLHeli-S 20A D-Shot ESC delivers superior motor control precision for FPV drone applications. Utilizing the advanced BLHeli-S open-source firmware and an EFM8BB21F16G MCU, this electronic speed controller is engineered for rapid signal processing and efficient power delivery. It fully supports modern digital protocols like Dshot150, Dshot300, and Dshot600, offering significantly faster and more reliable communication between your flight controller and brushless motors compared to older analog protocols like Oneshot and Multishot.

Designed for competitive FPV environments, this ESC ensures a high-quality speed response, enabling pilots to achieve precise throttle control and agile maneuvers. Its robust architecture includes ultra-low internal resistance MOS transistors, which minimize heat generation and enhance overall stability during intense flight conditions. Compatible with a wide range of flight controllers, it supports single-frequency operation up to 621Hz, making it a versatile choice for builders seeking performance and reliability.

Operating within a 2-4S LiPo voltage range, the BLHeli-S 20A ESC is optimized for typical FPV racing and freestyle setups. Its compact dimensions and minimal weight simplify integration into various drone frames without adding unnecessary bulk. With built-in telemetry capabilities for voltage, current, and temperature, and over-temperature protection, this ESC provides critical diagnostic data and safeguards to ensure prolonged operational integrity.

Key Features

  • High-performance EFM8BB21F16G MCU with 48Mhz clock speed for powerful computation.
  • Pre-flashed with BLHeli-S open source firmware, allowing extensive customization and updates.
  • Features a dedicated LED power-on display for immediate status indication.
  • Extensive drive signal support including Dshot150/300/600, OneShot125, OneShot42, and MultiShot modes.
  • Incorporates ultra-low internal resistance MOS transistors for efficient heat management and stability.
  • Designed for small size and light weight, ensuring easy and flexible installation in FPV drones.
  • Optimized for competition FPV drones, providing responsive and reliable motor control.
  • Compatible with various flight controllers, supporting single frequency operation up to 621Hz.

Applications

  • High-performance FPV racing drones requiring precise throttle response.
  • Freestyle FPV quadcopters demanding robust and reliable motor control.
  • Lightweight micro and mini drone builds where space and weight are critical.
  • DIY drone projects requiring a versatile BLHeli-S compatible ESC.

Technical Specifications

Item TypeBrushless ESC
Processor32-bit ARM Cortex M4 MCU @ 80 MHz
Max. Operating Current20A (Continuous) / 25A (Burst)
Operating Voltage7.4V ~ 14.8V (2-4S LiPo)
ERPM600,000 maximum rotational field speed (up to 500,000 recommended)
Overvoltage Protection~30V
Undervoltage Protection~-30V
BEC3.3V and 5V capable (integrated)
AmmeterNo
Telemetry CapabilityVoltage, Current, Temperature, Speed
Over-temperature ProtectionReduces output when hotter than 100°C
Drive Signal SupportDshot150/300/600/1200, MultiShot, OneShot
Target FirmwareReadyToSky_32 (BLHeli_S)
Battery Cell Count2-4S LiPo

Frequently Asked Questions

What flight controller protocols does this BLHeli-S 20A ESC support?

This BLHeli-S 20A ESC supports a comprehensive range of flight controller protocols, including Dshot150, Dshot300, Dshot600, and even Dshot1200 for advanced digital communication. It also maintains compatibility with older analog protocols such as MultiShot, OneShot125, and OneShot42, ensuring broad integration flexibility for various FPV drone setups.

What input voltage range and current capabilities does this ESC offer?

This ESC operates efficiently within a 2-4S LiPo battery voltage range, equivalent to 7.4V to 14.8V. It is rated for a continuous operating current of 20A, with a burst capability of up to 25A. This makes it suitable for many FPV racing and freestyle drone builds.

Can I update the firmware on this BLHeli-S ESC, and how?

Yes, as it runs BLHeli-S open-source firmware, you can update it using the BLHeliSuite32 configurator. Connect the ESC to your flight controller, then link the FC to your computer via USB. The configurator allows flashing new firmware versions, adjusting motor timing, and configuring other critical parameters for optimal drone performance.

What are the key advantages of D-Shot protocol over previous analog ones for this ESC?

D-Shot offers several advantages, primarily increased precision and reliability. Being a digital protocol, it eliminates signal noise and desyncs common with analog signals. It also provides faster communication speeds, up to 32 kHz, leading to more responsive motor control and smoother flight characteristics for FPV drones.

Package Includes

  • 1 x BLHeli-S 20A D-Shot 2-4S ESC Speed Controller
  • 1 x User Manual

Additional Information

Dimensions 12 × 10 × 1 cm