{"product_id":"emax-simonk-series-multirotor-30a-brushless-esc-original","title":"Emax SimonK Series Multirotor 30A Brushless ESC (Original)","description":"\u003cmeta name=\"description\" content=\"Buy Emax SimonK Series Multirotor 30A Brushless ESC (Original) online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eEmax SimonK Series Multirotor 30A Brushless ESC (Original)\u003c\/h1\u003e\n\n\u003cp\u003eThe Emax SimonK Series Multirotor 30A Brushless ESC is a high-performance electronic speed controller designed for multirotor drones, quadcopters, and aerial photography platforms requiring precise motor control and reliable power distribution. Professional drone pilots, FPV racing enthusiasts, and commercial UAV operators rely on this ESC for its stable firmware, low ripple output, and compatibility with standard PWM and OneShot protocols. This controller solves the critical challenge of delivering smooth, responsive throttle control while maintaining thermal stability under sustained high-current operations typical in aerial imaging and competitive racing applications.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe Emax SimonK Series 30A ESC utilizes the legendary SimonK firmware, a community-developed open-source platform that has become the industry standard for multirotor applications. The controller operates by receiving PWM signals from your flight controller and translating them into precise voltage and current outputs to drive brushless motors with exceptional linearity. The SimonK firmware features advanced commutation algorithms that minimize cogging torque, reduce electrical noise, and provide superior throttle response compared to factory firmware alternatives. The 30A continuous current rating makes this ESC ideal for medium-weight multirotor platforms using 920KV to 2300KV motors, delivering the power density required for aggressive maneuvers while maintaining thermal headroom during extended flights.\u003c\/p\u003e\n\n\u003cp\u003eThis original Emax variant incorporates high-quality capacitors, low-resistance MOSFETs, and a robust PCB layout optimized for vibration resistance and electromagnetic compatibility. The integrated BLHeli-compatible bootloader allows firmware updates and customization through standard programming interfaces, enabling users to fine-tune performance parameters including startup power, acceleration, and braking behavior. The compact form factor and multiple mounting hole patterns provide flexible integration into various frame designs, from racing quads to heavy-lift platforms, while the included 3.5mm bullet connectors ensure secure motor connections with minimal voltage drop.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBrushless Electronic Speed Controller (ESC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSimonK Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e30A Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eSimonK (Open Source)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e2S-4S LiPo (7.4V - 14.8V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Frequency\u003c\/td\u003e\n\u003ctd\u003e16kHz (Configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Support\u003c\/td\u003e\n\u003ctd\u003eStandard PWM, OneShot125, OneShot42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Compatibility\u003c\/td\u003e\n\u003ctd\u003eBrushless Outrunner Motors 920KV - 2300KV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e40 x 20 x 11mm (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 10-12 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectors\u003c\/td\u003e\n\u003ctd\u003e3.5mm Bullet Connectors (Motor), JST-XH (Battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eSimonK Firmware: Community-validated open-source firmware providing superior throttle linearity, reduced cogging, and enhanced motor synchronization compared to proprietary alternatives\u003c\/li\u003e\n\u003cli\u003e30A Continuous Rating: Delivers reliable power for medium-weight multirotor platforms with sustained current handling and thermal stability during extended flight operations\u003c\/li\u003e\n\u003cli\u003eMulti-Protocol Support: Compatible with standard PWM, OneShot125, and OneShot42 protocols, ensuring seamless integration with modern flight controllers including Betaflight and Cleanflight platforms\u003c\/li\u003e\n\u003cli\u003eLow Voltage Protection: Built-in LiPo battery protection with configurable cutoff thresholds preventing over-discharge and extending battery lifespan\u003c\/li\u003e\n\u003cli\u003eProgrammable Parameters: Adjustable startup power, acceleration curve, and braking behavior through bootloader access, enabling performance optimization for specific frame and motor combinations\u003c\/li\u003e\n\u003cli\u003eCompact Design: Lightweight 10-12 gram form factor with multiple mounting holes for flexible integration into racing quads, freestyle platforms, and camera drones\u003c\/li\u003e\n\u003cli\u003eRobust Construction: High-quality MOSFETs and capacitors rated for vibration resistance and electromagnetic interference suppression in demanding aerial environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eFPV Racing Drones: Delivers the responsive throttle control and low latency required for competitive drone racing, where microsecond-level motor response differentiates winners from competitors\u003c\/li\u003e\n\u003cli\u003eAerial Photography Platforms: Provides stable, smooth power delivery for camera-equipped quadcopters requiring consistent motor behavior during gimbal-stabilized video capture and cinematic flight patterns\u003c\/li\u003e\n\u003cli\u003eFreestyle and Acrobatic Flying: Supports aggressive maneuvers and rapid throttle transitions through configurable acceleration curves and advanced commutation algorithms optimized for dynamic flight styles\u003c\/li\u003e\n\u003cli\u003eEducational and DIY Projects: Open-source SimonK firmware enables hobbyists and students to understand ESC operation, modify firmware parameters, and develop custom control algorithms for research applications\u003c\/li\u003e\n\u003cli\u003eCommercial UAV Operations: Trusted by professional operators for reliable long-duration flights, consistent performance across temperature ranges, and compatibility with industrial-grade flight controllers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eBegin by carefully identifying your ESC input connections: signal wire (typically white or yellow) connects to your flight controller's motor output pin, positive and negative battery leads connect through an XT60 or similar connector to your LiPo battery. Before powering on, verify all motor connections are secure using the 3.5mm bullet connectors, ensuring no loose wires that could cause short circuits. Program your flight controller to recognize this ESC as a SimonK-compatible device and calibrate the throttle range by connecting the battery with the transmitter powered on, advancing the throttle stick to maximum, then returning to minimum while the ESC beeps confirmation of calibration completion.\u003c\/p\u003e\n\n\u003cp\u003eFor optimal performance, configure your flight controller's PWM frequency to 16kHz to match the SimonK firmware's native operating frequency, reducing electrical noise and improving motor responsiveness. If upgrading firmware through the bootloader, use a USB programmer compatible with ATmega8 chips and follow Emax's official firmware flashing procedures to avoid corrupting the bootloader. Monitor ESC temperature during initial flights by touching the aluminum heatsink after landing; sustained temperatures above 80 degrees Celsius indicate either excessive current draw or inadequate airflow, requiring motor selection review or frame design optimization. Perform regular inspections of solder joints and connectors after every 10 flight hours, particularly on racing platforms where vibration stress accelerates wear.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between SimonK firmware and standard ESC firmware?\u003c\/summary\u003e\n\u003cp\u003eSimonK firmware implements advanced commutation algorithms that reduce cogging torque, minimize electrical noise, and provide superior throttle linearity compared to factory firmware. The open-source nature allows community contributions and customization, while standard firmware typically offers basic speed control without performance optimization. SimonK's 16kHz PWM frequency and configurable parameters enable fine-tuning for specific motor and frame combinations, resulting in smoother acceleration, better stability, and improved responsiveness in both racing and cinematic applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this 30A ESC with 2S LiPo batteries for lightweight racing drones?\u003c\/summary\u003e\n\u003cp\u003eYes, the Emax SimonK 30A ESC supports 2S LiPo (7.4V) operation and performs excellently with lightweight racing platforms. However, verify that your motor selection and frame weight are compatible with 2S power levels; lighter motors in the 1800-2300KV range paired with 2S batteries typically provide optimal performance. For heavier payloads or cinematic flights, 3S or 4S configurations are recommended to maintain adequate power margins and thermal stability during sustained operations.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I update the SimonK firmware on this ESC?\u003c\/summary\u003e\n\u003cp\u003eThe Emax SimonK Series includes a bootloader that allows firmware updates through a USB programmer or dedicated ESC programming device. Download the latest SimonK firmware from the official repository, connect your programmer to the ESC's programming pins (typically labeled GND, VCC, and DATA), and use BLHeli Suite or similar software to flash the new firmware. Always backup your current settings before flashing, and ensure your power supply is stable during the update process to prevent bootloader corruption. If you are unfamiliar with firmware flashing, contact our technical support team for guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eIs this ESC suitable for heavy-lift or cargo drones?\u003c\/summary\u003e\n\u003cp\u003eThe 30A continuous rating is designed for medium-weight multirotor platforms, typically supporting total system weights up to 2-3 kilograms depending on motor KV and battery configuration. For heavy-lift applications exceeding 3 kilograms, consider Emax's higher-capacity ESCs in the 40A or 50A range, which provide greater thermal headroom and current capacity for sustained high-power operations. Consult our technical team with your specific platform specifications for personalized ESC recommendations.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India. You will receive tracking information via email and SMS upon shipment.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse. This ESC includes a 7-day warranty covering manufacturing defects in solder joints, component failures, and firmware issues unrelated to user modification.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote. We serve educational institutions, commercial drone operators, and racing teams with competitive volume pricing.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized Emax distributors with authentication certificates and batch verification\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every ESC before listing and provides firmware support for optimal performance\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse with real-time tracking\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, and EMI available for flexible purchasing\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp for setup, firmware, and troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuy Emax SimonK Series Multirotor 30A Brushless ESC (Original) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eEmax SimonK Series Multirotor 30A Brushless ESC (Original)\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48743723303169,"sku":"TES-EV0882599","price":1763.84,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/3328400-2-314x252.jpg?v=1778062361","url":"https:\/\/techdepot.in\/products\/emax-simonk-series-multirotor-30a-brushless-esc-original","provider":"Tech Depot India","version":"1.0","type":"link"}