{"product_id":"spedix-es30-hv-3-6s-blheli_s-30a-esc","title":"Spedix ES30 HV 3-6s BLHeLi_S 30A ESC","description":"\u003cmeta name=\"description\" content=\"Buy Spedix ES30 HV 3-6s BLHeLi_S 30A ESC 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\u003eSpedix ES30 HV 3-6s BLHeLi_S 30A ESC\u003c\/h1\u003e\n\n\u003cp\u003eThe Spedix ES30 HV is a high-voltage brushless electronic speed controller designed for multi-rotor drones, quadcopters, and FPV racing aircraft operating on 3-6 cell lithium polymer batteries. Professional drone pilots and FPV racers use this ESC to achieve precise motor control with minimal latency and maximum efficiency in competitive and commercial aerial applications. This controller solves the critical challenge of delivering stable, responsive thrust vectoring while maintaining thermal stability during sustained high-current operations in demanding flight scenarios.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Spedix ES30 HV operates using advanced BLHeLi_S firmware, which provides real-time commutation control and dynamic current limiting for brushless outrunner motors. The ESC accepts PWM signals from flight controllers and converts them into three-phase AC output that drives brushless motors with exceptional precision. The high-voltage topology supports up to 6S LiPo batteries (22.2V nominal), enabling higher power density and improved efficiency compared to standard 4S-limited controllers. Active braking, programmable throttle curves, and temperature compensation ensure consistent performance across varying flight conditions and ambient temperatures.\u003c\/p\u003e\n\n\u003cp\u003eThis 30-ampere continuous rating with 40-ampere burst capability makes the ES30 HV ideal for medium-weight quadcopters and racing drones requiring aggressive acceleration and sustained high-speed flight. The integrated low-ESR power stage minimizes heat generation, while the robust firmware handles rapid throttle changes and recovery from stalls without firmware corruption. Spedix has engineered this controller with redundant safety features including soft-start protection, under-voltage cutoff, and over-temperature shutdown to maximize reliability in professional applications.\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 (ESC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSpedix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eES30 HV\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\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e3-6S LiPo (11.1V - 22.2V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Current Rating\u003c\/td\u003e\n\u003ctd\u003e30 Amperes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurst Current Rating\u003c\/td\u003e\n\u003ctd\u003e40 Amperes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eBLHeLi_S with real-time telemetry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003ePWM 1000-2000 microseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEC Output\u003c\/td\u003e\n\u003ctd\u003e5V 2A regulated (optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact form factor suitable for racing frames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBLHeLi_S Firmware: Programmable via USB or transmitter with 32kHz PWM refresh rate for ultra-responsive throttle control and minimal lag in competitive racing scenarios\u003c\/li\u003e\n\u003cli\u003eHigh-Voltage Compatibility: Supports 3-6S LiPo batteries enabling higher power output and extended flight times on medium-weight racing and commercial platforms\u003c\/li\u003e\n\u003cli\u003eActive Braking: Regenerative braking capability reduces stopping distance and improves handling precision during aggressive maneuvers and rapid direction changes\u003c\/li\u003e\n\u003cli\u003eThermal Management: Integrated temperature sensor with automatic throttle reduction prevents thermal runaway during extended high-current operations in hot weather conditions\u003c\/li\u003e\n\u003cli\u003eLow-Resistance Power Stage: Advanced MOSFET design minimizes voltage drop and heat dissipation, achieving 95+ percent efficiency even at 30A continuous draw\u003c\/li\u003e\n\u003cli\u003eProgrammable Protection: Configurable under-voltage cutoff, soft-start ramp, and over-temperature thresholds provide customizable safety for different battery types and flight profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFPV Racing Drones: The ES30 HV delivers the rapid throttle response and low latency required for competitive gate racing, where millisecond-level control precision determines race outcomes\u003c\/li\u003e\n\u003cli\u003eMedium-Weight Quadcopters: Ideal for 1-2kg aerial photography platforms requiring stable, efficient motor control across varying payload configurations and wind conditions\u003c\/li\u003e\n\u003cli\u003eFreestyle and Acrobatic Flight: Supports aggressive inverted flight, rapid rolls, and sustained high-G maneuvers without firmware glitches or throttle hesitation\u003c\/li\u003e\n\u003cli\u003eCommercial Inspection Drones: Provides reliable, temperature-compensated thrust control for industrial inspection missions requiring extended endurance and consistent performance in diverse environmental conditions\u003c\/li\u003e\n\u003cli\u003eDIY Drone Projects: Suitable for custom-built quadcopters, hexacopters, and octocopters where builders require professional-grade ESC performance at accessible price points\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eBegin by soldering the three motor wires directly to the ESC output terminals, ensuring correct phase sequence for proper motor rotation direction. Connect the battery connector to your LiPo pack and the signal wire to your flight controller's throttle output. Before first flight, program the ESC using the BLHeLi_S configuration tool: connect via USB adapter, select your battery cell count (3-6S), configure throttle range calibration by moving your transmitter stick from minimum to maximum, and set your preferred under-voltage cutoff threshold typically 3.0V per cell. Verify motor rotation direction by arming in a safe location and confirming all motors spin in the correct direction relative to your frame configuration.\u003c\/p\u003e\n\n\u003cp\u003eFor optimal performance, mount the ESC with adequate airflow around the power stage to prevent thermal throttling during sustained high-current operations. Use 14-16 AWG silicone wire for battery and motor connections to minimize resistive losses. If experiencing throttle jitter or erratic behavior, verify your PWM signal integrity by checking flight controller output timing and ensuring clean power distribution without voltage sag. The BLHeLi_S firmware allows real-time current and temperature telemetry transmission back to your flight controller, enabling advanced monitoring and data logging for performance analysis.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between BLHeLi_S and standard BLHeli firmware?\u003c\/summary\u003e\n\u003cp\u003eBLHeLi_S represents the latest generation firmware with 32kHz PWM refresh rate compared to 8kHz in standard BLHeli, resulting in dramatically improved throttle response and reduced control latency. BLHeLi_S also includes real-time telemetry output, advanced current limiting algorithms, and superior stall recovery characteristics essential for competitive FPV racing and precision aerial work.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use the ES30 HV on a 2S or 3S battery safely?\u003c\/summary\u003e\n\u003cp\u003eYes, the ES30 HV is rated for 3-6S operation, meaning it functions safely on 3S, 4S, 5S, and 6S LiPo batteries. However, using only 2S batteries is not recommended as it falls below the minimum voltage specification and may cause firmware instability. Always verify your battery cell count matches the ESC rating before connecting power.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I calibrate the throttle range on the ES30 HV?\u003c\/summary\u003e\n\u003cp\u003eConnect the ESC to your computer using a USB programmer and launch the BLHeLi_S configuration software. Select your flight controller type, then follow the calibration wizard which instructs you to move your transmitter throttle stick from minimum to maximum position while the software records the PWM pulse widths. This ensures precise 1000-2000 microsecond mapping for your specific radio system and flight controller combination.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat motor KV range is compatible with the ES30 HV?\u003c\/summary\u003e\n\u003cp\u003eThe ES30 HV works with any brushless outrunner motor rated for 3-6S operation. Common selections include 2300-2800 KV motors for racing drones and 1000-1500 KV motors for heavy lift platforms. Higher KV motors draw more current at full throttle, so verify your motor's maximum current specification does not exceed the 40A burst rating of this ESC.\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 Spedix ES30 HV 3-6s BLHeLi_S 30A ESC Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eSpedix ES30 HV 3-6s BLHeLi_S 30A ESC\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\u003eSpedix ES30 HV 3-6s BLHeLi_S 30A ESC\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":48743721435393,"sku":"TES-EV0882616","price":1297.44,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/spedix-ex30hv-1_1800x1800-314x252.jpg?v=1778062334","url":"https:\/\/techdepot.in\/products\/spedix-es30-hv-3-6s-blheli_s-30a-esc","provider":"Tech Depot India","version":"1.0","type":"link"}