Description
Detailed Description
ReadytoSky 40A 2-4S ESC for Drone is a high-performance electronic speed controller crafted for hobbyists and drone enthusiasts who demand stability, precision, and power efficiency. Supporting input voltage from 2S to 4S LiPo batteries, this ESC can handle continuous currents of up to 40 amps, making it suitable for medium to large drones and multirotor setups.
ReadytoSky 40A 2-4S ESC for Drone Equipped with advanced BLHeli firmware, the ESC ensures fast throttle response and smooth motor control. Its high-quality MOSFETs and optimized PCB layout contribute to low heat generation and minimal signal interference. Designed to be compatible with most brushless motors in the 2204 to 2216 range, the ReadytoSky 40A ESC offers flexible installation with a compact, lightweight form factor.
Whether you are building an FPV racer, an aerial photography platform, or a DIY drone, the ReadytoSky 40A 2-4S ESC for Drone delivers robust performance with excellent reliability.
🔧 Key Specifications:
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ReadytoSky 40A 2-4S ESC for Drone Brand: ReadytoSky
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ReadytoSky 40A 2-4S ESC for Drone Model: 40A ESC
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ReadytoSky 40A 2-4S ESC for Drone Continuous Current: 40A
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ReadytoSky 40A 2-4S ESC for Drone Burst Current: 50A (for 10s)
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ReadytoSky 40A 2-4S ESC for Drone Input Voltage: 2-4S LiPo (7.4V–16.8V)
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ReadytoSky 40A 2-4S ESC for Drone Firmware: BLHeli (upgradable)
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ReadytoSky 40A 2-4S ESC for Drone BEC: No (OPTO)
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ReadytoSky 40A 2-4S ESC for Drone Weight: Approx. 28g
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ReadytoSky 40A 2-4S ESC for Drone Dimensions: Approx. 45×25×8mm
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ReadytoSky 40A 2-4S ESC for Drone Connector Type: Usually solder pads (depends on model)
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ReadytoSky 40A 2-4S ESC for Drone Motor Compatibility: Brushless motors (2-4S rated)
🚀 Highlights:
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ReadytoSky 40A 2-4S ESC for Drone Supports multirotors and quadcopters with medium to high power requirements
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ReadytoSky 40A 2-4S ESC for Drone BLHeli firmware for stable and responsive throttle
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ReadytoSky 40A 2-4S ESC for Drone OPTO (no BEC) design ensures electrical isolation from flight controller
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ReadytoSky 40A 2-4S ESC for Drone Compact and lightweight for racing drones or aerial setups
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ReadytoSky 40A 2-4S ESC for Drone High-quality construction for long-lasting durability
🛠️ Applications:
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ReadytoSky 40A 2-4S ESC for Drone FPV Racing Drones
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ReadytoSky 40A 2-4S ESC for DroneAerial Photography Drones
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ReadytoSky 40A 2-4S ESC for Drone Custom DIY Multirotors
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ReadytoSky 40A 2-4S ESC for Drone Educational Drone Kits
ReadytoSky 40A 2-4S ESC is engineered for quadcopters and multi-rotors, delivering precise motor speed control for enhanced flight performance. Designed with advanced firmware optimized for disc motors, this ESC ensures exceptional compatibility and reliability when paired with 2-4S LiPo batteries.
ReadytoSky 40A 2-4S ESC for Drone twisted throttle signal wire reduces crosstalk, promoting stable signal transmission and smoother flights. Supporting throttle refresh rates up to 621Hz, it seamlessly integrates with various flight controllers. With ultra-low resistance MOSFET and a specialized driver circuit, it offers superior performance and stability compared to traditional discrete component circuits.
Key Features:
- 40A OPTO 2-4S Brushless ESC: Ideal for drones and RC helicopters.
- Battery Compatibility: Works with 2-4S LiPo batteries.
- BEC Output: 5V 3A for reliable performance.
- Applications: Suitable for F450, S500, and ZD550 RC Helicopter Quadcopter.
- Advanced Design: Intelligent, adaptive, and easy to use with exceptional stability.
- Enhanced Performance: Ultra-low resistance MOSFET and fast throttle response.
Package Includes:
- 1 x ReadytoSky 40A 2-4S ESC
Model No: ESC01
ReadytoSky 40A 2-4S ESC for Drone is a powerful and dependable electronic speed controller specifically engineered to meet the rigorous demands of today’s drone enthusiasts. Whether you’re building a freestyle quadcopter, an FPV racer, or a professional aerial mapping drone, this ESC delivers smooth throttle response, consistent current output, and long-term reliability.
ReadytoSky 40A 2-4S ESC for Drone Supporting 2S to 4S LiPo batteries, this ESC is versatile enough for a range of drone sizes, from mid-size quadcopters to high-thrust multirotors. With a 40A continuous current rating and 50A burst capacity, it provides sufficient power for high-speed maneuvers, stable hover, and heavy-lift applications.
ReadytoSky 40A 2-4S ESC for Drone Thanks to BLHeli firmware, the ESC ensures precise motor control, allowing for agile flight, stable braking, and rapid acceleration. It also features PWM input compatibility with most flight controllers and supports Oneshot125 or Multishot protocols for low-latency motor response — essential for racing and tight aerial control.
ReadytoSky 40A 2-4S ESC for Drone OPTO ESC (lacks internal BEC) offers cleaner power delivery and is ideal when paired with a separate UBEC or power distribution board (PDB). It also reduces the risk of signal noise affecting sensitive flight controller sensors.
ReadytoSky 40A 2-4S ESC for Drone is built with high-quality MOSFETs, durable heat-resistant components, and efficient circuitry, ensuring optimal performance under thermal stress and prolonged flying sessions.
💡 Why Choose This ESC?
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ReadytoSky 40A 2-4S ESC for Drone Reliable Power Output – Handles 40A continuous and up to 50A burst current for robust propulsion.
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ReadytoSky 40A 2-4S ESC for Drone Advanced Firmware – Comes with BLHeli pre-flashed and supports calibration & updates via USB linker.
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ReadytoSky 40A 2-4S ESC for Drone Smooth Throttle Response – Ideal for FPV racing, freestyle, and cinematic drone flights.
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ReadytoSky 40A 2-4S ESC for Drone Compact & Lightweight – Easily fits into tight builds without adding unnecessary weight.
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Plug-and-Play – Solder-ready pads or pre-soldered wires depending on version.
🛩️ Perfect for Use With:
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2206, 2212, 2216 brushless motors
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1045, 1047, 8045 propellers
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F450, F550 drone frames
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Pixhawk, KK2.1.5, Naza, or APM flight controllers
🔐 Safety & Protection Features:
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Overheat protection
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Low voltage cutoff
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Throttle signal loss protection
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Motor lock-up protection
Depth Description: ReadytoSky 40A 2-4S ESC for Drone
The ReadytoSky 40A 2-4S ESC for Drone is a professional-grade electronic speed controller tailored to deliver high-performance thrust, rapid responsiveness, and long-term durability. Ideal for drone pilots seeking both agility and stability, this ESC supports a wide range of applications from racing drones to cinematic quadcopters and agriculture UAVs.
⚙️ Advanced Engineering for Enhanced Flight
Built around the proven BLHeli firmware architecture, this ESC delivers real-time, high-precision control of brushless motors, ensuring smooth motor startup, consistent mid-range power delivery, and reliable braking when needed. It supports modern ESC protocols like PWM, OneShot125, and Multishot, making it flight-controller-friendly and adaptable to various drone configurations.
The hardware is designed with premium MOSFETs, ultra-low resistance PCB layout, and optimized gate drivers — allowing efficient power flow with minimal heat buildup. The ESC is engineered for continuous 40A draw and can briefly handle up to 50A bursts during takeoffs or quick throttle punches.
📦 Design That Fits All Builds
Whether you’re building a 450mm drone for payload delivery or a 330mm FPV racer, the compact and lightweight form factor of the ReadytoSky 40A ESC makes it easy to mount on arms, within frames, or on PDBs. The heat-shrink protection and quality solder points enhance safety and simplify wiring.
This ESC is OPTO-type, meaning it does not include a BEC (Battery Elimination Circuit), which eliminates interference and provides cleaner signal lines to the flight controller — ideal for advanced builds using a separate UBEC or PDB with integrated BEC.
🛰️ Performance You Can Rely On
The ReadytoSky 40A ESC provides:
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Fast loop timing for aggressive FPV maneuvers
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Consistent voltage regulation even under battery sag
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Thermal efficiency for long flights or hot environments
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Durability across hundreds of flight cycles
🧪 Lab-Tested with Popular Drone Components
This ESC has been tested for compatibility with popular motors like:
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A2212 1000KV/1400KV
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2205/2206 FPV motors
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2216 high-torque motors
It performs exceptionally well with 10×4.5, 9×4.7, and 8×4.5 propellers under 3S and 4S power systems. It also integrates smoothly with flight controllers like:
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Pixhawk
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Naza-M Lite
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F4/F7 STM32 boards
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APM 2.8 & KK2.1.5
🔐 Built-in Protections Include:
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Start-up failure protection
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Throttle signal loss detection
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Overheat and current overload prevention
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Low-voltage cutoff for battery safety
🎯 Use Cases:
Drone Type ESC Role FPV Racing Drone Rapid throttle response and fast braking Aerial Photography Drone Smooth power transitions and stability Agricultural Drone Heavy load-bearing and efficient power draw DIY Custom Quadcopter Flexible, reliable ESC for various configurations
💬 Customer Benefits:
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Ready-to-install solution with consistent flight performance
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Reliable brand — ReadytoSky is trusted by drone hobbyists worldwide
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Ideal for freestyle, commercial, and educational drone projects
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Compatible with multiple motor types and flight controller firmware
🔧 Electrical & Performance Specifications
Specification Details Brand ReadytoSky Model 40A 2-4S ESC (OPTO) Type Brushless ESC for Drone Continuous Current 40 Amps Burst Current 50 Amps (up to 10 seconds) Input Voltage 2S – 4S LiPo (7.4V to 16.8V) BEC Output No (OPTO — requires external UBEC or PDB with BEC) Firmware Preloaded with BLHeli firmware Supported Protocols PWM, Oneshot125, Multishot Throttle Calibration Yes (Auto/Manual supported) ESC Timing High timing option for better motor compatibility
📏 Physical Characteristics
Attribute Description Weight ~28 grams Dimensions Approx. 45mm × 25mm × 8mm Wiring Input: Power leads (red & black)
Output: 3 motor wiresConnectors Usually bare wires/solder pads for flexible setup PCB Protection Heat-shrink coated; some versions may be open Mounting Type Free-mount (zip tie, double tape, or ESC holders)
🧠 Features & Functional Capabilities
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✅ BLHeli Firmware Support: Reliable and widely supported firmware with configurability through BLHeliSuite or USB programmer.
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✅ OPTO ESC: Ideal for advanced drone builds where power and signal isolation is essential.
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✅ Fast Refresh Rate: Supports fast throttle signal rates for high-speed motor response.
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✅ ESC Calibration: Allows for easy synchronization with throttle ranges.
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✅ High Efficiency: Uses low-resistance MOSFETs and optimized gate drive for minimal heat and power loss.
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✅ Motor Compatibility: Works well with 22xx and similar drone racing/cinematic motors.
🛡️ Protection & Safety Features
Type of Protection Function Startup Protection Prevents ESC from activating in unsafe conditions Signal Loss Protection Stops motor if throttle signal is lost (failsafe) Overheat Protection Shuts down or throttles ESC if it overheats Low-Voltage Cutoff Protects LiPo from deep discharge Overcurrent Protection Limits excessive power draw to prevent component damage
🔗 Compatibility
Component Type Example Models Motors A2212 1400KV, 2212 920KV, 2205 2300KV, 2216 880KV Props 8045, 9047, 1045, 1147 (depending on motor & thrust need) Flight Controllers APM 2.8, Pixhawk, KK2.1.5, Naze32, F4/F7 boards Frames F450, F550, QAV250, 330mm–500mm quads
🚁 Ideal Applications
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FPV Racing Drones (2S/3S)
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Aerial Photography/Filming Drones (3S/4S)
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DIY Quadcopter, Tricopter, Hexacopter
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Heavy-lift drones with 4S motors and larger props
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Agricultural spraying drones (in 4S, medium payload setups)
📦 What’s in the Box (Typical Package)
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1× ReadytoSky 40A ESC (OPTO, pre-flashed with BLHeli)
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Soldered or bare input/output leads (varies by seller)
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Optional heat shrink (if not factory applied)
🌟 Why Buy from Lofty Agrotech?
At Lofty Agrotech, we’re more than just a seller of drone products—we are a community-driven, knowledge-backed, and service-oriented brand dedicated to delivering genuine, high-performance FPV solutions across India. Whether you’re a beginner, an experienced pilot, or an educational institute, we ensure quality, trust, and support from cart to cockpit.
🎓 Trusted Knowledge & Experience – Built by Flyers, Backed by Experts
At Lofty Agrotech, we believe that deep product knowledge is the foundation of trust. Our team is not made up of typical online sellers—we are a passionate group of aeromodellers, drone engineers, FPV racers, and tech educators who live and breathe UAV technology.
🧠 Real-World Experience, Not Just Theoretical
Unlike generic e-commerce sellers, we’ve tested, tuned, and flown the same products we recommend—including the HGLRC Sector D5 FR Freestyle FPV Frame. Every suggestion we make comes from:
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Hands-on flight testing in varied environments (urban, rural, indoor, long-range)
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Real feedback from our community of Indian FPV pilots and drone makers
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Live problem-solving during builds, crashes, and upgrades
🎮 Whether you’re flying freestyle, cinematic, or racing — we know the practical needs and real-life behavior of your gear.
🧪 Product Selection Backed by Research
Before we stock a product on LoftyAgrotech.com, it undergoes multiple layers of evaluation:
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Performance metrics testing (durability, weight, component fitment)
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Compatibility with DJI O3, analog VTX, ELRS, GPS, and GoPro mounts
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Ease of use for beginners AND advanced pilots
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Heat, impact, and field repair stress testing for frames and electronics
Only gear that meets our internal benchmarks for quality, value, and futureproofing makes it into your hands.
🧑🏫 Educational Outreach & Drone Literacy
We regularly contribute to India’s drone education ecosystem by:
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Conducting on-campus FPV & UAV workshops in colleges and universities
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Partnering with innovation labs and drone clubs for curriculum-based kits
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Providing tutorials, wiring guides, PID tuning tips, and flight simulations
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Mentoring final-year projects and tech fest participants
🎓 This makes us the preferred drone parts provider for over 70+ colleges and tech institutions across India.
🛠️ Build Guidance & Setup Expertise
Whether you’re setting up your first build or upgrading to an elite freestyle setup, Lofty Agrotech helps you with:
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Personalized part recommendations based on your goals and budget
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Guidance on frame stacking, power distribution, firmware flashing, and ESC tuning
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Safe practices for wiring, soft-mounting, and soldering
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Troubleshooting services via WhatsApp, phone, or email
🧩 From component compatibility to first-flight success — we’re your virtual co-pilot.
🔐 100% Authentic Products – No Clones, No Compromises
At Lofty Agrotech, we prioritize your investment in drone technology by delivering only genuine, factory-sealed, brand-certified products. In a market flooded with clones and counterfeit gear, we stand apart as a trusted Indian distributor of original FPV and UAV components.
🏷️ Sourced Directly from Trusted Brands
We are proud to be official resellers or direct procurement partners for globally recognized FPV brands, including:
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HGLRC (like the Sector D5 Frame)
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DJI & DJI FPV Systems
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Caddx & Walksnail
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iFlight, T-Motor, Foxeer, and RushFPV
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Matek, BetaFPV, and GepRC
Every product listed on our platform is obtained from verified supply chains, ensuring authenticity, reliability, and performance.
✅ No marketplace imports, no third-party sketchy vendors — only factory-fresh, original gear.
📦 Factory-Sealed Packaging with Brand Serial Integrity
Every product is shipped in its original branded packaging, complete with:
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Factory barcodes and unique serial numbers
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Seals and holograms (when applicable)
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QR codes or official brand documentation (for DJI, Caddx, etc.)
This means what you receive is identical to what international professionals fly — with no substitutions or rebranded knockoffs.
🛡️ Warranty & Brand-Backed Assurance
With authentic products come real warranties. When you shop from Lofty Agrotech, your purchase is protected by:
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Brand-authorized warranty coverage, as per OEM policies
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Repair or replacement support for manufacturing defects
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Receipt-based verification in case of future claims
We assist you in coordinating with the brand directly or process it through our end — saving you time and hassle.
🚫 Say No to Clones – Here’s Why It Matters
Buying cheap or cloned FPV gear from unknown platforms can lead to:
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ESC or VTX burnouts due to poor PCB quality
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Frames that snap mid-flight or misfit your stack
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Firmware incompatibility, poor GPS lock, or overheating
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Zero support, no returns, and no performance assurance
🔒 With Lofty Agrotech, you protect your drone, your money, and your peace of mind.
🧑🤝🧑 Community-Driven Values – We Grow With You
At Lofty Agrotech, we’re not just selling FPV and drone gear—we’re nurturing a vibrant and inclusive community of learners, creators, and aerial innovators across India. Our mission is to support growth, experimentation, and excellence in drone technology by being more than a retailer—we’re your drone ecosystem partner.
🧑🎓 Supporting Students, Educators & Innovators
We actively empower:
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Engineering students working on final-year drone and robotics projects
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Technical colleges launching drone technology labs and workshops
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Innovation clubs and incubators seeking to build aerial mapping, surveillance, or delivery drones
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Young creators entering the world of cinematic flying and FPV freestyle
🏫 We collaborate with over 70+ institutions, including IITs, polytechnics, and drone R&D hubs.
🚀 Enabling Passionate Hobbyists and DIY Builders
For the makers and flyers building from their desks, rooftops, or parks:
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We share custom build recommendations for freestyle, racing, and long-range drones
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Provide access to educational video content, wiring help, and product guides
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Deliver kits and parts even to remote areas, making FPV accessible to all
Whether you’re starting with a simple analog build or moving up to a DJI O3 cinewhoop, we help you scale confidently.
🎯 Recognized by Drone Clubs & FPV Communities
Our work has been acknowledged by drone hobbyist communities, local FPV racing groups, and aerial content creators across India.
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Trusted name in university drone fests and competitions
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Preferred supplier for aerial photography clubs and YouTube creators
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Community shoutouts and user-generated reviews showcasing real builds using our parts
🤝 We believe in lifting others up and sharing knowledge, not just pushing sales.
🎁 Collaboration Over Commercialism
We often go beyond transactions to build real relationships:
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Mentorship sessions for students, teams, and clubs
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Flexible pricing and donation of parts for selected educational initiatives
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Feature stories of student builds and DIY creators on our social media and blog
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Regularly spotlighting real-user content — showing the success of our customers
🧩 When you buy from Lofty Agrotech, you join a movement, not just a mailing list.
📦 Fast, Nationwide Shipping with Eco-Safe Packaging
At Lofty Agrotech, we understand that speed and safety of delivery are just as important as product quality. That’s why we have optimized our shipping processes to ensure that every order—whether it’s a lightweight FPV frame or a full drone kit—reaches you quickly, securely, and sustainably.
🚚 Swift Dispatch & Delivery Across India
We guarantee lightning-fast order fulfillment, helping you get your drone projects off the ground without delays.
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Same-day dispatch on most in-stock items when ordered before 2 PM
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Nationwide coverage through trusted courier partners like BlueDart, Delhivery, and DTDC
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Priority handling for fragile drone components such as VTX, GPS modules, and camera mounts
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Real-time tracking updates and customer notifications via email/SMS
🕒 Whether you’re in a metro city or a Tier-3 town, we make sure your package is on time, every time.
📦 Impact-Proof & Secure Packaging
Your gear is precious. So we use multi-layered, shock-resistant packing methods to ensure it stays safe in transit:
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Bubble wrap + foam lining for all electronic and sensitive parts
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Double-walled cartons for larger shipments and complete drone kits
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Heat-sealed pouches for screws, mounts, and micro components
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Fragile/battery-specific labels for special cargo compliance
🛡️ Built for rough handling, tested for long routes—your parts arrive ready to assemble.
🌱 Eco-Conscious Packaging Materials
We don’t just think about drones—we think about the planet too.
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Use of recyclable corrugated boxes and paper-based fillers
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Avoiding plastic wraps unless necessary for moisture protection
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Partnered with suppliers who support low-carbon logistics
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Exploring biodegradable bubble wrap and kraft tape integration in future phases
🌍 Every shipment from Lofty Agrotech helps reduce your carbon footprint while building toward a cleaner tech future.
📞 Hassle-Free Shipping Support
Need help with tracking, delivery follow-up, or last-mile issues? Our team is just a message away.
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Dedicated shipping assistance via WhatsApp and email
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Quick resolutions for damaged, delayed, or misrouted parcels
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Option to request video proof of packing before dispatch (on request)
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Guidance for bulk orders, institutional delivery, and GST-invoiced logistics
📬 You’re not left guessing. We deliver with clarity, accountability, and care.
💬 Unmatched Customer Support & Consultation
At Lofty Agrotech, we don’t just stop at checkout. We walk with you through your entire drone journey—from choosing the right parts to first flight success. Our support model is built to provide technical clarity, build confidence, and personalized help that most online stores don’t offer.
🤝 Real People, Real Answers – Always Available
Our support is handled by actual drone experts, not automated bots. When you reach out, you’re talking to people who:
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Build and fly drones themselves
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Understand product compatibility and troubleshooting
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Offer direct, experience-based guidance rather than scripted responses
📲 Support is available via:
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WhatsApp & Call (for urgent build help)
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Email (for part suggestions, documentation, or bulk orders)
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Instagram DMs (for casual queries, updates, or project features)
🔧 Whether you’re stuck with a soldering issue or confused about firmware flashing, we’re here to guide—not just reply You don’t need to be an expert—we’ll build that expertise with you
Explore more in our camera drone collection and find the right aerial companion.
Before flying, ensure you’re compliant with India’s drone regulations (DGCA DigitalSky Portal).
🎥 Lofty Agrotech YouTube Channel
Explore Lofty Agrotech’s official YouTube channel for videos showcasing their drone technologies and applications:(Southern Drone OPS)
Certainly! Here’s a comprehensive overview of Lofty Agrotech’s drone offerings and available drone parts:
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