{"product_id":"readytosky-40a-2-4s-esc-for-drone","title":"ReadytoSky 40A 2-4S ESC for Drone","description":"\u003ch1\u003eReadytoSky 40A 2-4S ESC for Drone\u003c\/h1\u003e\nThe ReadytoSky 40A 2-4S ESC is a brushless electronic speed controller designed for multi-rotor drones and quadcopters operating on 2-4 cell lithium polymer batteries. Professional drone pilots, FPV racing enthusiasts, and aerial photography operators rely on this ESC to deliver precise motor speed regulation and smooth throttle response across varying flight conditions.\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous current: 40A\u003c\/li\u003e\n\u003cli\u003eBattery input: 2S to 4S LiPo (7.4V – 14.8V)\u003c\/li\u003e\n\u003cli\u003eBEC output: 5V \/ 3A\u003c\/li\u003e\n\u003cli\u003eSignal input: Standard PWM (50-500Hz)\u003c\/li\u003e\n\u003cli\u003eDimensions: 25mm x 15mm x 6mm (approx.)\u003c\/li\u003e\n\u003cli\u003eWeight: 8g (approx.)\u003c\/li\u003e\n\u003cli\u003eFirmware: Pre-flashed with BLHeli_S (supports BLHeliSuite configuration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino (Nano, Uno, Mega) via flight controller boards\u003c\/li\u003e\n\u003cli\u003eESP32 and ESP8266-based flight controllers\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (with PWM hat or GPIO)\u003c\/li\u003e\n\u003cli\u003eSTM32-based flight controllers (e.g., F3, F4, F7)\u003c\/li\u003e\n\u003cli\u003eStandard FPV flight controllers (Betaflight, Cleanflight, iNav)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFPV racing quadcopter (250mm to 450mm frame)\u003c\/li\u003e\n\u003cli\u003eAerial photography drone with 3S or 4S battery\u003c\/li\u003e\n\u003cli\u003eCustom multi-rotor for payload delivery or surveillance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\nEvery ReadytoSky 40A ESC you buy from Compoden comes with a free AI build companion delivered via QR code, email, or WhatsApp — it helps you wire, configure, and program this ESC into a working drone project. With 10 years of supplying makers and institutions across India, we ensure every component is genuine and ready to fly. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum current this ESC can handle?\u003c\/summary\u003e\nThe ReadytoSky 40A ESC can handle a continuous current of 40A. For short bursts (up to 10 seconds), it can handle up to 50A. Always ensure your motor and propeller combination does not exceed 40A continuous draw.\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for ReadytoSky 40A ESC?\u003c\/summary\u003e\nYou can pay using UPI, debit\/credit cards, or Cash on Delivery (COD). All payment methods are available across India.\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take and where do you ship?\u003c\/summary\u003e\nWe ship ReadytoSky 40A ESC across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery typically takes 3-7 business days depending on your location.\n\u003c\/details\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"ReadytoSky 40A 2-4S ESC for Drone\",\n  \"description\": \"The ReadytoSky 40A 2-4S ESC is a brushless electronic speed controller designed for multi-rotor drones and quadcopters operating on 2-4 cell lithium polymer batteries.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"ReadytoSky\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"price\": \"990.63\",\n    \"priceCurrency\": \"INR\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"url\": \"https:\/\/compoden.in\/products\/readytosky-40a-2-4s-esc-for-drone\"\n  },\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Compoden\"\n  },\n  \"mainEntityOfPage\": {\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What is the maximum current this ESC can handle?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The ReadytoSky 40A ESC can handle a continuous current of 40A. For short bursts (up to 10 seconds), it can handle up to 50A.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"What payment options are available for ReadytoSky 40A ESC?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"You can pay using UPI, debit\/credit cards, or Cash on Delivery (COD). All payment methods are available across India.\"\n        }\n      },\n      {\n        \"@type\": \"Question\",\n        \"name\": \"How long does delivery take and where do you ship?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"We ship ReadytoSky 40A ESC across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery typically takes 3-7 business days.\"\n        }\n      }\n    ]\n  }\n}\n\u003c\/script\u003e","brand":"ReadytoSky","offers":[{"title":"Default Title","offer_id":53492670005613,"sku":"CDN-2279","price":1288.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/readytosky-40a-2-4s-esc-for-drone-2927085.png?v=1785259480","url":"https:\/\/compoden.com\/products\/readytosky-40a-2-4s-esc-for-drone","provider":"Compoden","version":"1.0","type":"link"}