IFlight Defender 20 HD 3S BNF (ELRS 2.4GHz) Micro FPV Drone with DJI O3 Air Unit

Introduction

The iFlight Defender 20 HD is a revolutionary micro FPV drone designed for ultimate portability and performance. Its compact, palm-sized form factor, combined with robust, injection-molded frame construction, makes it incredibly durable and easy to carry. Equipped with the cutting-edge DJI O3 Air Unit, this drone delivers breathtaking HD digital video transmission, making it ideal for FPV pilots who demand exceptional visual quality without sacrificing maneuverability. Whether you're an experienced pilot or looking to step up your FPV game, the Defender 20 offers a compelling blend of advanced technology and user-friendly design.

Key Advantages

• Ultra-Compact & Durable: Palm-sized, injection-molded frame ensures high durability and portability for flights anywhere.
• High-Definition FPV: Features the DJI O3 Air Unit for superior HD digital video transmission and low latency.
• Integrated ELRS 2.4GHz: Provides reliable, long-range control with the ExpressLRS system.
• One-Button Power & RGB: Convenient single-button operation with programmable RGB lighting for battery status indication.
• Innovative Battery System: Includes a 3S 900mAh battery with a quick-release mechanism and an auto-discharging feature for enhanced safety and ease of use.
• Easy Maintenance: Designed for simple repairs with only 6 screws for disassembly and plug-and-play components.
• Built-in Beeper: Integrated buzzer for quick drone recovery after unexpected crashes.
• Enhanced AIO Flight Controller: Features a high-performance, plug-and-play AIO flight controller with increased redundancy for demanding flights.

Technical Specifications

• Product Name: Defender 20 O3 3S HD
• Receiver Option: iFlight ELRS 2.4GHz
• Flight Controller: Defender 16/20 F411 AIO
• Video Transmission: DJI O3 Air Unit (Naked Version)
• Frame Wheelbase: 97mm
• Motor: Defender20 1204 Motors
• Propeller: Defender20 2020-3 Propellers
• Takeoff Weight (w/ 900mAh battery): 178g
• Dimensions (L×W×H): 135x136x52mm
• Max Speed: 75 km/h (Manual Mode)
• Max Takeoff Altitude: 2000m
• Max Hovering Time: Approx. 7.5 minutes (with 3S 900mAh battery)
• Max Wind Resistance: Level 3
• Operating Temperature: -10° to 40° C
• Antennas: Dual Antennas
• GNSS: N/A
• Video Transmission Bandwidth: Max 40 MHz
• FOV (single screen): 155°
• Communication Frequency: 2.400-2.4835 GHz (RX only); 5.725-5.850 GHz (RX & TX)
• End-to-End Latency (DJI FPV Goggles V2): <28ms (810p/120fps), <40ms (810p/60fps)</li>
• End-to-End Latency (DJI Goggles 2): <30ms (1080p/100fps), <40ms (1080p/60fps)</li>
• Max Video Transmission Bitrate: 50 Mbps
• Max Video Transmission Range: 10 km (FCC), 2 km (CE), 6 km (SRRC)
• Power Input (O3 Air Unit): 7.4-26.4 V
• Audio Transmission: N/A
• Recommended Charger: Flight PD 100W Charger or PD 30W Charger (sold separately)

Applications

The iFlight Defender 20 HD is perfect for agile FPV flying, cinematic micro drone videography, freestyle FPV, and general aerial exploration where portability and high-quality video are essential. Its compact size makes it suitable for indoor and outdoor use, offering a versatile platform for various FPV applications.

Compatibility

This BNF (Bind-and-Fly) drone requires a compatible ELRS 2.4GHz radio transmitter and DJI compatible FPV goggles (DJI FPV Goggles V2 or DJI Goggles 2 recommended for optimal performance). It uses a standard 3S 900mAh battery. The DJI O3 Air Unit is compatible with DJI Goggles series. Recommended chargers include Flight PD 100W or PD 30W chargers supporting USB PD and QC protocols.

FAQ

What is the iFlight Defender 20 HD 3S BNF drone best suited for?

The iFlight Defender 20 HD is perfect for agile FPV flying, cinematic micro drone videography, and freestyle FPV. Its compact size and high-quality DJI O3 HD video transmission make it ideal for pilots who need a portable yet high-performance FPV solution.

What radio transmitter and FPV goggles are compatible with the iFlight Defender 20 HD?

This BNF drone requires a compatible ELRS 2.4GHz radio transmitter. For the best FPV experience, DJI compatible FPV goggles such as the DJI FPV Goggles V2 or DJI Goggles 2 are highly recommended due to the integrated DJI O3 Air Unit.

How long can the iFlight Defender 20 HD fly on a single charge?

With the included 3S 900mAh battery, the iFlight Defender 20 HD offers a maximum hovering time of approximately 7.5 minutes. Flight time can vary based on flying style and conditions.

Does the iFlight Defender 20 HD come with a charger?

No, the charger is not included in the package and must be purchased separately. For optimal charging speed, HTDRONE recommends using a Flight PD 100W Charger or PD 30W Charger that supports USB PD and QC protocols.

Where can I buy the iFlight Defender 20 HD FPV drone with fast delivery?

You can buy the iFlight Defender 20 HD FPV drone at HTDRONE, our specialized FPV parts store based in Poland. We offer fast shipping within Poland and reliable worldwide delivery via DHL.