{"product_id":"jhemcu-em-40a-4in1-esc","title":"JHEMCU EM-40A 40A 4-in-1 ESC BLHeli_S DSHOT600 2-6S LiPo 20x20mm for FPV Quads","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eJHEMCU EM-40A is a 4-in-1 ESC (electronic speed controller) for FPV multirotor builds, supporting 2–6S LiPo input and BLHeli_S firmware with DSHOT600. It is designed for a 20x20 mm (M3) mounting pattern and includes a current-sense (CURR) signal output to the flight controller.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e2–6S LiPo input voltage support\u003c\/li\u003e\n\u003cli\u003e40A continuous current per channel (40A x 4)\u003c\/li\u003e\n\u003cli\u003eBLHeli_S firmware\u003c\/li\u003e\n\u003cli\u003eDSHOT600 signal protocol support (per product title)\u003c\/li\u003e\n\u003cli\u003eCurrent sensor output (CURR) to flight controller\u003c\/li\u003e\n\u003cli\u003eNo BEC (external power regulation required if needed)\u003c\/li\u003e\n\u003cli\u003e20 mm mounting hole spacing (M3), compact 4-in-1 layout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eEM-40A 4 IN1 ESC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003e2-6S LiPo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous current\u003c\/td\u003e\n\u003ctd\u003e40A x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirmware\u003c\/td\u003e\n\u003ctd\u003eBLHELI_S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBEC\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent sensor (galvanometer)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e20 mm hole spacing \/ M3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall size\u003c\/td\u003e\n\u003ctd\u003e27 x 29 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.2 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWiring \/ Pinout (8-pin harness)\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVBAT\u003c\/strong\u003e: Battery voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND\u003c\/strong\u003e: Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNC\u003c\/strong\u003e: No connection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCURR\u003c\/strong\u003e: Current meter signal output to FC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM1 \/ M2 \/ M3 \/ M4\u003c\/strong\u003e: Motor signal inputs (Motor1–Motor4)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1 x EM-40A 4-in-1 ESC\u003c\/li\u003e\n\u003cli\u003e1 x 8P 1.0 mm plug cable\u003c\/li\u003e\n\u003cli\u003e1 x red\/black silicone wire set\u003c\/li\u003e\n\u003cli\u003e1 x electrolytic capacitor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDocuments\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.jhemcu.com\/pic\/other\/2023-07-05-00-57-302.rar\" rel=\"noopener\" target=\"_blank\"\u003eFirmware Download\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eFor wiring help or order support, contact \u003ca href=\"https:\/\/rcdrone.top\/\" rel=\"noopener\" target=\"_blank\"\u003ehttps:\/\/rcdrone.top\/\u003c\/a\u003e or email support@rcdrone.top.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"JHEMCU EM-40A 40A 4-in-1 ESC board with 20x20mm mounting holes and motor pads (M1–M4)\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/JHEMCU-EM-40A-BLHeliS-DSHOT600-2-6S-4-IN1-20x20-40A-ESC.jpg?v=1782464814\"\u003e\u003cimg alt=\"Top view of EM-40A 4-in-1 ESC layout with 8-pin connector and labeled M1–M4 corners\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/JHEMCU-EM-40A-BLHeliS-DSHOT600-2-6S-4-IN1-20x20-40A-ESC_f21397dd-681c-4cac-8b45-374c7346a730.jpg?v=1782464823\"\u003e\u003cimg alt=\"JHEMCU EM-40A 4-in-1 ESC kit including 8-pin harness, red\/black power wires, and electrolytic capacitor\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/JHEMCU-EM-40A-BLHeliS-DSHOT600-2-6S-4-IN1-20x20-40A-ESC_e6f19ec6-5161-4a40-b074-a75963240bf8.jpg?v=1782464832\"\u003e\u003cp\u003eEverything needed for a clean install is included: the EM-40A 4-in-1 ESC, 8‑pin plug cable, power leads, and an electrolytic capacitor.\u003c\/p\u003e\n\u003cimg alt=\"EM-40A 4-in-1 ESC on digital scale indicating approximately 5.2 g weight\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/JHEMCU-EM-40A-BLHeliS-DSHOT600-2-6S-4-IN1-20x20-40A-ESC_3226e24f-1ba7-4e7f-a01e-c45033c1fdbf.jpg?v=1782464843\"\u003e\u003cp\u003eA lightweight 4‑in‑1 ESC helps keep compact FPV builds responsive while staying within tight weight budgets.\u003c\/p\u003e\n\u003cimg alt=\"Wiring and pinout diagram for EM-40A 4-in-1 ESC: VBAT, GND, CURR, and motor signals M1–M4\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/JHEMCU-EM-40A-BLHeliS-DSHOT600-2-6S-4-IN1-20x20-40A-ESC_a929c181-6abd-4557-8867-0561fb560b1c.jpg?v=1782464852\"\u003e\u003cp\u003ePinout reference for quick wiring to the flight controller, including VBAT\/GND and the CURR current-sense signal output.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"JHEMCU","offers":[{"title":"Default Title","offer_id":53203850985696,"sku":"jhe-20237503714-1","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/50_0.jpg?v=1782314821","url":"https:\/\/rcdrone.top\/sw\/products\/jhemcu-em-40a-4in1-esc","provider":"RCDrone","version":"1.0","type":"link"}