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30 A BLHeli‑S ESC OPTO, 2–4 S

$29.24
$29.24
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Your items may arrive sooner than the estimated delivery date. Ralph Lauren reserves the right to send packages via other shipping methods based on the shipping destination as long as orders will still arrive within the arrival times outlined on RalphLauren.com.

When you choose the Economy delivery option, packages are delivered Monday through Saturday 8 AM to 4:30 PM. Orders sent by Fast, 2-Business-Day or Next-Day shipping methods are delivered Monday through Friday from 8 AM to 4:30 PM.

We recommend choosing Fast or Next-Day delivery if you are shipping your package to a business address. You will be asked to provide a telephone number on the shipping page of checkout, which is important in the event the courier needs to arrange a delivery time with you.

You will also be asked to provide an email address, to which we will send confirmation that your order was placed.

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Product Overview

This Electronic Speed Controller (ESC) is a slim, lightweight, and high-performance module tailored for FPV drones compatible with 2–4 S LiPo power sources and supporting modern digital protocols like DSHOT, Oneshot, Multishot, and PWM. Preloaded with BLHeli‑S firmware and a powerful microcontroller, it delivers smooth throttle response, near-silent motor operation, and exceptional precision.

Key Features

  • BusyBee2 Microcontroller (EFM8BB21F16)

    • Runs at 48 MHz—twice the speed of older BLHeli-S ESCs, enhancing responsiveness and control precision up to 500k eRPM.

  • Multi-Protocol Control

    • Automatically supports and switches between PWM, Oneshot125, Oneshot42, Multishot, and DSHOT for wide compatibility with most flight controllers.

  • High-Fidelity PWM Drive

    • Utilizes 36 kHz hardware PWM—more than double the rate of older ESCs (16 kHz), resulting in ultra-smooth motor output and quiet operation.

  • Compact, Lightweight, and OPTO

    • Slim form factor (approx. 28 × 14 × 5 mm), weighing just ~5 g (without motor wires). OPTO means it has no integrated BEC, so a separate 5 V supply is required for your flight controller.

  • Adaptive and Efficient

    • Features adaptive timing and synchronous rectification to boost efficiency, alongside regenerative (active) braking for precise motor control.

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