{"product_id":"hobbywing-skywalker-20a-ubec","title":"Hobbywing Skywalker-20A- UBEC","description":"\u003cmeta name=\"description\" content=\"Buy Hobbywing Skywalker-20A- UBEC 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\u003eHobbywing Skywalker-20A- UBEC\u003c\/h1\u003e\n\n\u003cp\u003eThe Hobbywing Skywalker-20A- UBEC is a high-performance brushless electronic speed controller (ESC) with integrated Universal Battery Eliminator Circuit (UBEC) designed for fixed-wing aircraft and multirotor platforms requiring reliable power distribution and motor control. Professional aerial photographers, FPV racing pilots, and commercial drone operators rely on this ESC for its exceptional stability, low electromagnetic interference, and precise throttle response across varying flight conditions. This product solves the critical challenge of delivering stable, regulated power to flight controllers and servos while simultaneously managing motor acceleration curves with programmable parameters to prevent voltage sag and ensure predictable flight dynamics.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Hobbywing Skywalker-20A- UBEC operates on a sophisticated firmware architecture that processes input signals at 16-bit resolution, enabling microsecond-level throttle adjustments for smooth motor acceleration. The integrated UBEC circuit provides regulated 5V or 6V output (selectable via firmware) with 3A continuous capacity, eliminating the need for separate BEC modules and reducing system weight. The ESC features advanced commutation algorithms that automatically detect motor poles and optimize firing sequences, resulting in minimal cogging torque and maximum efficiency across the entire RPM range from startup to maximum throttle.\u003c\/p\u003e\n\n\u003cp\u003eThis model incorporates multiple protection mechanisms including low voltage cutoff (LVC) with adjustable thresholds, over-temperature shutdown, and current limiting to prevent catastrophic failures during demanding flight operations. The aluminum heatsink design with optimized thermal pathways maintains junction temperatures below critical thresholds even during continuous high-current operations. Programmable features via compatible programming cards allow users to customize throttle curves, rotation direction, brake function, and frequency response, making it adaptable to diverse aircraft configurations from 250g racing quads to 5kg fixed-wing platforms.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\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 with Integrated UBEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHobbywing\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\u003ctr\u003e\n\u003ctd\u003eContinuous Current Rating\u003c\/td\u003e\n\u003ctd\u003e20A continuous, 25A burst\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e2S to 4S LiPo (7.4V to 14.8V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUBEC Output\u003c\/td\u003e\n\u003ctd\u003e5V\/3A or 6V\/3A selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Signal\u003c\/td\u003e\n\u003ctd\u003ePWM 50Hz standard servo protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eProgrammable via Hobbywing programming card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e45mm x 25mm x 12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 18 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated 3A UBEC with selectable 5V or 6V output eliminates need for external BEC modules, reducing system complexity and weight in space-constrained airframes\u003c\/li\u003e\n\u003cli\u003e16-bit resolution signal processing enables precise throttle control with 2000Hz update frequency, delivering smooth acceleration curves essential for FPV racing and acrobatic flight\u003c\/li\u003e\n\u003cli\u003eProgrammable low voltage cutoff with adjustable thresholds prevents battery over-discharge and extends LiPo cell lifespan during extended flight sessions\u003c\/li\u003e\n\u003cli\u003eAluminum heatsink design with optimized thermal management maintains safe operating temperatures during sustained high-current operations up to 25A burst capacity\u003c\/li\u003e\n\u003cli\u003eAuto-detect motor pole technology automatically calibrates commutation timing, eliminating manual configuration and ensuring compatibility with diverse motor types\u003c\/li\u003e\n\u003cli\u003eMultiple protection circuits including over-temperature shutdown, current limiting, and reverse polarity protection safeguard against common field failures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFPV Racing Quadcopters: 5-inch racing drones utilizing 4S LiPo batteries benefit from the 20A continuous rating and 2000Hz update frequency for responsive throttle control during high-speed maneuvers and gate racing\u003c\/li\u003e\n\u003cli\u003eFixed-Wing Aerial Photography: Medium-weight fixed-wing platforms carrying 2-3kg camera payloads require stable, regulated power distribution which the integrated UBEC provides without additional power distribution modules\u003c\/li\u003e\n\u003cli\u003eMultirotor Mapping Platforms: Agricultural and surveying drones operating at constant throttle for extended flight times rely on the programmable throttle curves and low voltage cutoff to optimize battery utilization and flight endurance\u003c\/li\u003e\n\u003cli\u003eExperimental UAV Development: Research institutions and hobbyists developing custom drone platforms benefit from the programmable firmware allowing customized control algorithms and failsafe behaviors specific to their applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eInstallation begins with proper polarity verification and secure mechanical mounting to the aircraft frame using vibration-damping materials to minimize electromagnetic noise coupling into flight control systems. Connect the three-phase motor wires to the ESC output terminals, ensuring correct rotation direction through firmware programming or temporary wire swapping during ground testing. The signal input connector accepts standard PWM servo signals from your flight controller, with the throttle range typically calibrated from 1000 microseconds (minimum) to 2000 microseconds (maximum) using your transmitter's calibration function. The UBEC output provides regulated power to your flight controller and receiver; verify correct voltage selection (5V or 6V) matches your flight controller specifications before powering the system.\u003c\/p\u003e\n\n\u003cp\u003eCalibration is essential for optimal performance and should be performed before first flight. With the battery disconnected, connect your flight controller and transmitter, then apply full throttle via transmitter stick, connect the battery, and allow the ESC to beep confirmation of throttle range calibration. Access the Hobbywing programming card menu to configure low voltage cutoff threshold based on your battery cell count (typically 2.8V per cell for LiPo), rotation direction, brake function, and frequency response settings. Test all motor directions and throttle response on the bench before mounting propellers, then perform a final range test with propellers installed but aircraft restrained to verify smooth acceleration across the entire throttle range from idle to full power.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between 20A continuous and 25A burst rating?\u003c\/summary\u003e\n\u003cp\u003eThe 20A continuous rating represents the sustained current the ESC can handle indefinitely without thermal shutdown, suitable for extended flight operations. The 25A burst rating allows temporary current spikes up to 25A for 10-30 seconds during aggressive acceleration or high-power maneuvers, after which the ESC must return to continuous operation to allow thermal dissipation. Exceeding burst capacity or sustaining burst currents for extended periods triggers over-temperature protection and throttle cutoff.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this ESC on a 6S LiPo battery?\u003c\/summary\u003e\n\u003cp\u003eNo, the Hobbywing Skywalker-20A- UBEC is rated for maximum 4S LiPo (14.8V nominal). Using 6S batteries exceeds the input voltage specification and will cause permanent damage to the ESC. For 6S applications, you require a higher-voltage rated ESC such as the Hobbywing Skywalker-40A or Platinum series controllers designed for extended voltage ranges.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select between 5V and 6V UBEC output?\u003c\/summary\u003e\n\u003cp\u003eThe UBEC output voltage is selectable via Hobbywing programming card or compatible USB programmer. Access the programming menu, navigate to UBEC settings, and toggle between 5V and 6V output based on your flight controller specifications. Most modern flight controllers operate on 5V, while some legacy systems and certain receiver types require 6V. Verify your flight controller datasheet before selection to prevent voltage-related failures.\u003c\/p\u003e\n\u003c\/details\u003e\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.\u003c\/p\u003e\n\u003c\/details\u003e\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.\u003c\/p\u003e\n\u003c\/details\u003e\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.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy Hobbywing Skywalker-20A- UBEC Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eHobbywing Skywalker-20A- UBEC\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. Get the best price on \u003cstrong\u003eHobbywing Skywalker-20A- UBEC\u003c\/strong\u003e with fast shipping and expert support.\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":48741361451265,"sku":"TTD-4479","price":1052.58,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/4573f96d67856902e8c904189f9293a5.jpg?v=1778024185","url":"https:\/\/techdepot.in\/products\/hobbywing-skywalker-20a-ubec","provider":"Tech Depot India","version":"1.0","type":"link"}