{"product_id":"1503-brushless-motor-2750kv-3-7v-7-4v-fpv-drone-quadcopter-rc-aircraft","title":"1503 Brushless Motor 2750KV 3.7V–7.4V for FPV Drone \u0026 RC Quad","description":"\u003ch2\u003e1503 High-Speed Brushless Motor – 2750KV | 3-Phase | 1.5mm Shaft\u003c\/h2\u003e\n\u003cp\u003eTake your DIY micro RC build to the next level with this \u003cstrong\u003e1503 3-phase brushless motor\u003c\/strong\u003e. Running at an impressive \u003cstrong\u003e2750KV\u003c\/strong\u003e and compatible with \u003cstrong\u003e3.7V (1S) and 7.4V (2S) lithium batteries\u003c\/strong\u003e, this compact powerhouse is engineered for high-speed micro crossing aircraft, circle racing machines, micro fixed-wing aircraft, FPV drones, and quadcopter builds. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh KV Rating:\u003c\/strong\u003e 2750KV output for exceptional speed on lightweight micro airframes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDynamic Balance Corrected Outer Rotor:\u003c\/strong\u003e Neodymium magnetic steel and arc-shaped high-efficiency magnetic tiles for smooth, vibration-free operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard 1.5mm Shaft:\u003c\/strong\u003e Compatible with a wide range of micro propellers and mounts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickened Step Design:\u003c\/strong\u003e The fixed outer rotor section features reinforced step construction for increased durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Compatibility:\u003c\/strong\u003e Operates on 1S–2S LiPo setups; recommended blade sizes for 2S include GF1635-4, GF1610-2, and GF1608-3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal Construction:\u003c\/strong\u003e Robust metal build for long-lasting performance in demanding RC applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended Age:\u003c\/strong\u003e 14 years and above\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eESC Compatibility Notes\u003c\/h3\u003e\n\u003cp\u003eAn ESC (Electronic Speed Controller) can typically handle around \u003cstrong\u003e10A continuously\u003c\/strong\u003e; a burst of \u003cstrong\u003e15–20A for up to 2 seconds\u003c\/strong\u003e is recommended. Please be aware that some brushless ESCs may have limited compatibility with ultra-high KV motors — symptoms can include difficulty ramping up\/down at high speeds or minor jitter. Always begin with low-current tests and verify ESC parameters before full-throttle operation to avoid overheating.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Tip\u003c\/h3\u003e\n\u003cp\u003eFor best fit, it is recommended to install the motor in an \u003cstrong\u003einverted (upside-down) orientation\u003c\/strong\u003e. Front-mounting may result in a slightly looser fit depending on the airframe design.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 1503 Brushless Motor\u003c\/li\u003e\n  \u003cli\u003e1 × Electronic Speed Control (ESC) Board\u003c\/li\u003e\n  \u003cli\u003e1 × Fan Driver Board\u003c\/li\u003e\n  \u003cli\u003e1 × Servo Speed Control Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1503\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKV Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2750KV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7V (1S) \/ 7.4V (2S)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContinuous Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~10A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-Phase Outer Rotor Brushless\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e – perfect for assembling and fine-tuning your RC build\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/34-compartment-double-sided-hardware-storage-box-removable-dividers\"\u003e34-Compartment Double-Sided Hardware Storage Box \u0026amp; Dividers\u003c\/a\u003e – keep your drone parts, screws, and small components organized\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/waterproof-cable-gland-set-pg7-pg9-nylon-connectors-10-pack\"\u003e10-Pack Waterproof Cable Glands PG7 PG9 Nylon Connectors\u003c\/a\u003e – secure your wiring for weather-resistant RC builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Product images are for illustrative purposes. Actual size is as described in the specifications above. Slight color variation may occur due to monitor settings. Manual measurement may result in minor dimensional differences.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery configuration is recommended for the 1503 2750KV brushless motor?\u003c\/h4\u003e\n\u003cp\u003eA: This 1503 brushless motor is compatible with 1S (3.7V) and 2S (7.4V) LiPo batteries. For 2S operation, recommended propeller sizes include GF1635-4, GF1610-2, and GF1608-3. Always match your ESC rating to the battery and propeller combination for best performance.\u003c\/p\u003e\n\u003ch4\u003eQ: What ESC (Electronic Speed Controller) should I use with this motor?\u003c\/h4\u003e\n\u003cp\u003eA: A brushless ESC rated for approximately 10A continuous (with 15–20A burst capacity) is recommended. Note that some ESCs with limited high-KV compatibility may experience jitter or overheating. Always perform low-current startup tests and confirm ESC parameters are correctly set before full-speed operation.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this brushless motor suitable for FPV racing drones and quadcopters?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 1503 2750KV motor is specifically designed for high-speed micro crossing aircraft, FPV drones, circle racers, and DIY quadcopter builds. Its compact size, 1.5mm shaft, and dynamic-balance-corrected outer rotor make it an excellent choice for lightweight micro RC airframes.\u003c\/p\u003e\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: The package includes one 1503 brushless motor, one Electronic Speed Control (ESC) board, one Fan Driver Board, and one Servo Speed Control Board — everything you need to get started on your micro RC or FPV drone project.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery configuration is recommended for the 1503 2750KV brushless motor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 1503 brushless motor is compatible with 1S (3.7V) and 2S (7.4V) LiPo batteries. For 2S operation, recommended propeller sizes include GF1635-4, GF1610-2, and GF1608-3. Always match your ESC rating to the battery and propeller combination for best performance.\"}}, {\"@type\": \"Question\", \"name\": \"What ESC (Electronic Speed Controller) should I use with this motor?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A brushless ESC rated for approximately 10A continuous (with 15–20A burst capacity) is recommended. Note that some ESCs with limited high-KV compatibility may experience jitter or overheating. Always perform low-current startup tests and confirm ESC parameters are correctly set before full-speed operation.\"}}, {\"@type\": \"Question\", \"name\": \"Is this brushless motor suitable for FPV racing drones and quadcopters?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 1503 2750KV motor is specifically designed for high-speed micro crossing aircraft, FPV drones, circle racers, and DIY quadcopter builds. 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