{"product_id":"blheli-4-in-1-15a-2-4s-esc","title":"BLHELI 4 IN 1 15A 2-4S ESC","description":"\u003cmeta name=\"description\" content=\"Buy BLHELI 4 IN 1 15A 2-4S ESC online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eBLHELI 4 IN 1 15A 2-4S ESC\u003c\/h1\u003e\n\n\u003cp\u003eThe BLHELI 4 IN 1 15A 2-4S ESC is a quad integrated electronic speed controller designed for multi-rotor drone platforms, combining four independent motor controllers into a single compact module. Professional drone builders and FPV racing enthusiasts rely on this controller to manage precise motor speed synchronization across quadcopter, hexacopter, and octocopter configurations with stable power delivery. This product solves the critical challenge of reducing weight and wiring complexity while maintaining independent throttle response and current limiting protection for each motor channel.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe BLHELI 4 IN 1 ESC operates on the principle of independent PWM signal processing for each motor channel, allowing simultaneous control of four brushless motors from a single flight controller output. Each channel delivers continuous 15A current capacity with peak burst capability, utilizing advanced MOSFET switching technology to minimize heat generation and voltage drop across the power stage. The integrated design eliminates four separate ESC units, reducing total system weight by approximately 40 percent compared to individual controllers while maintaining electrical isolation between channels through independent gate drive circuits.\u003c\/p\u003e\n\n\u003cp\u003eThis controller supports 2S to 4S LiPo battery configurations, making it ideal for lightweight racing drones and mid-weight aerial photography platforms. The BLHELI firmware provides programmable parameters including throttle response curves, brake mode settings, and low voltage cutoff thresholds. The 4-in-1 architecture features integrated capacitor banks on each phase leg to reduce EMI emissions and stabilize voltage rails during rapid current transients, critical for maintaining flight stability during aggressive maneuvers.\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\u003e4 in 1 Integrated ESC Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBLHELI\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\u003e15A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Configuration\u003c\/td\u003e\n\u003ctd\u003e2S to 4S LiPo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e6.6V to 16.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePWM Frequency\u003c\/td\u003e\n\u003ctd\u003e32kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eBLHELI programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCompact integrated form factor\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\u003e4 in 1 Integrated Design: Combines four independent ESC channels into single module, reducing weight and simplifying wiring harness routing in confined airframe spaces\u003c\/li\u003e\n\u003cli\u003e15A Continuous Current per Channel: Supports mid-weight brushless motors up to 920KV with consistent power delivery and thermal stability during extended flight operations\u003c\/li\u003e\n\u003cli\u003e2-4S LiPo Compatibility: Programmable voltage cutoff and cell balancing features protect battery integrity across single cell to four cell configurations\u003c\/li\u003e\n\u003cli\u003eBLHELI Firmware Support: Access to advanced programming parameters including throttle response curves, brake mode, and current limiting thresholds via dedicated configuration tools\u003c\/li\u003e\n\u003cli\u003eLow Voltage Protection: Integrated cutoff circuit prevents over-discharge damage to LiPo batteries during extended flight sessions\u003c\/li\u003e\n\u003cli\u003eHigh Frequency PWM: 32kHz switching frequency minimizes audible motor noise and reduces electromagnetic interference with onboard flight controller sensors\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 rapid throttle response and synchronized motor control for competitive drone racing with 2S to 3S battery configurations\u003c\/li\u003e\n\u003cli\u003eLightweight Aerial Photography: Supports compact camera platforms with precise motor speed matching for stable gimbal performance and smooth flight characteristics\u003c\/li\u003e\n\u003cli\u003eQuadcopter and Hexacopter Builds: Simplifies wiring in custom multi-rotor platforms where space constraints demand integrated power management solutions\u003c\/li\u003e\n\u003cli\u003eResearch and Development: Used in educational drone projects and autonomous flight controller testing where standardized ESC behavior is critical for algorithm validation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eBegin by verifying battery voltage compatibility with your selected 2S to 4S LiPo pack, ensuring the pack voltage falls within the 6.6V to 16.8V input range. Connect the battery positive and negative leads to the ESC power input terminals, observing polarity markings to prevent reverse voltage damage. Solder the three-phase motor wires to each channel output, maintaining consistent wire gauge to minimize voltage drop across high current paths.\u003c\/p\u003e\n\n\u003cp\u003eConfigure the ESC using BLHELI programming software by connecting a USB programmer to the dedicated programming header. Set low voltage cutoff thresholds appropriate to your battery chemistry and cell count, typically 3.0V per cell for LiPo packs. Calibrate the throttle range by connecting your flight controller, advancing the throttle stick to maximum, then minimum position while powered on. Program brake mode and throttle response curves based on your specific motor and propeller combination, then perform a static thrust test on a bench before installing in your aircraft frame.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between BLHELI and BLHELI S firmware on this ESC?\u003c\/summary\u003e\n\u003cp\u003eBLHELI S firmware provides enhanced features including damped light mode for smoother throttle response, improved low RPM performance, and better synchronization with high KV motors. The standard BLHELI firmware offers stable operation with simpler configuration requirements. This unit supports BLHELI firmware with potential upgrade paths depending on hardware revision.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this ESC with 6S LiPo batteries?\u003c\/summary\u003e\n\u003cp\u003eNo, this ESC is rated for maximum 4S LiPo configuration, which provides 16.8V nominal voltage. Using 6S batteries will exceed the maximum input voltage rating of 16.8V and cause immediate failure of voltage regulation circuits. Always verify your battery configuration matches the ESC specifications before connecting power.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat motor KV range is compatible with this 15A ESC?\u003c\/summary\u003e\n\u003cp\u003eThis ESC works optimally with brushless motors in the 920KV to 2300KV range on 2S to 4S batteries. Lower KV motors require higher current draw, potentially exceeding the 15A continuous rating under sustained throttle. Higher KV motors generate excessive RPM and may cause mechanical stress. Select motor specifications based on your desired thrust-to-weight ratio and flight duration requirements.\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.\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.\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.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Engineer Store\u003c\/h2\u003e\n\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 BLHELI 4 IN 1 15A 2-4S ESC Online in India\u003c\/h2\u003e\n\n\u003cp\u003ePurchase the \u003cstrong\u003eBLHELI 4 IN 1 15A 2-4S ESC\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\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\u003eBLHELI 4 IN 1 15A 2-4S ESC\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43854067335331,"sku":"TES-EV0882640","price":1948.28,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/BLHELI-4-IN-1-15A-2-4S-ESC-314x252.jpg?v=1704200328","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/blheli-4-in-1-15a-2-4s-esc","provider":"The Engineer Store","version":"1.0","type":"link"}