The Readytosky Simonk 12A Electronic Speed Controller ESC is a compact, high-performance electronic speed controller designed specifically for small quadcopters, tricopters, and other multi-rotor setups. Pre-flashed with the reliable SimonK firmware, it delivers ultra-fast throttle response and smooth motor control—perfect for FPV racing and freestyle flying. The Readytosky Simonk 12A ESC is a trusted choice for builders who demand reliability, speed, and simplicity in lightweight drone builds. Features: Desigened for QAV180 210 250 ZMR250 Quadcopter. Low-voltage protection, over-heat protection, and self-check functions. Separate power supply for MCU and BEC. Enhancing the ESC’s ability to eliminate magnetic interference. Parameters of the ESC can be set via a program card or transmitter. Throttle range can be set to compatible with different receivers. Equipped with built-in BEC. Ideal For: Mini quadcopters, 250-size racing drones, fixed-wing aircraft, and DIY multi-rotor projects. Specifications: Model: Readytosky Simonk 12A ESC Firmware: SimonK (Pre-installed) Input Voltage: 2S–3S LiPo (7.4V – 11.1V) Continuous Current: 12A Burst Current: 15A (for up to 10 seconds) BEC Output: 5V @ 1A (Linear BEC) Dimensions: ~25mm x 19mm x 7mm Weight: ~10g (with wires) Connector Type: Pre-tinned wires (no connectors) Package Includes: 1 x Readytosky Simonk 12A Electronic Speed Controller (ESC) with 5V 1A BEC.
