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Defender 25 4S HD - RTF

AVAILABILITY: In Stock
$1,286.99 $1,350.99 -5%

Available Options

In the Box

  • Defender 25 O3 4S HD BNF

    Defender 25 O3 4S HD BNF

    x 1

  • Commando 8 ELRS Radio

    Commando 8 ELRS Radio

    x 1

  • DJI Goggles 2

    DJI Goggles 2

    x 1

  • Defender 25 550mAh Battery

    Defender 25 550mAh Battery

    x 1

  • Defender 2525 Props

    Defender 2525 Props

    x 2 pairs

  • Charging Adapter Board

    Charging Adapter Board

    x 1

Descriptions

After 2 years with the very successful ProTek series, iFlight continues to strive for a better flying experience and performance with the next upcoming innovative step. Let’s meet the Defender 25. 

Highlights

Ultralight & Free to Fly

At sub 249g weight, our Defender25 doesn't require registration in most countries. The compact and lightweight design also makes it easy to carry and store. It will be your best travel buddy to redefine your FPV adventure.

Small But Mighty

The built-in 2.5inch propeller guards were designed to fly bold. You’ll experience a complete new creative freedom to fly whenever and wherever. The durable injection molded frame does not only prevent damage to your motors or propellers, but also protects the environment of small flight errors.

4K Stabilized Video with 155°Ultra-Wide Angle

Equipped with the latest tech from DJI, the O3 Air Unit HD transmission system. The Defender25 supports 4K video and shoots up to 155°super-wide FOV footage for stunning visuals. In addition, D-Cinelike color mode provides more creative freedom for color grading, allowing you to edit and adjust your footage. (Source DJI)

We’ve also added a special vibration-damped camera mount to keep your raw footage as smooth as possible, as well as ensure good Gyro Data for the in-built or in-post camera stabilization.

Crash Protected Quick-Release Battery

New innovative quick-release battery and charging adapter to make everything as easy as it can be. The Defender25 comes with a stock 4S 550mAh. An Endurance 900mAh battery is optional.

Inbuilt high-performance Video and Receiver antennas

Optimized Landing Gear for Take-off in Complex Environment

Countless easy-to-use features let you get started right away: 

1) Secured XT30 Battery Plug with Anti-Spark Filter

2) Motors with direction arrows

3) Props with positioning column for easy installation

4) All ports and buttons are easy to access

5) Mini camera mount (Naked GoPro, Insta360, etc.)

Changelog

May 31, 2023: Defender 25 4S HD BNF comes with GPS installed by default.

October 24, 2023: The Charging Adapter Board has two versions, shipped randomly.

Note: The package only contains the cable to connect to the Naked Gopro, and does not include the cable to connect to the Gopro Bones.

Specifications

Product Name: Defender25 O3 4S HD

Flight Electronics: BLITZ D25 F7 AIO

Video Transmission: DJI O3 Air Unit

Frame: 112±2mm

Motor: Defender25 1404

Prop: Defender25 2525 props (2.5 inch)

Weight of the Aircraft: 180g

Maximum Takeoff Mass incl. 550mAh battery: ≤249g

Maximum Takeoff Mass incl. 900mAh battery: ≤280g

Dimensions (L×W×H):158x155x69mm

Max Ascent Speed: 6 m/s (Normal Mode, Sport Mode)

Max Descent Speed: 6 m/s (Normal Mode, Sport Mode)

Max Speed: 100Km/H (Manual Mode)

Maximum Takeoff Altitude: 3000m (with 550mAh battery), 3500m (with 900mAh battery)

Max Hover Time: Approx. 6 mins (with 550mAh), 10mins (with 900mAh)

Max Flight Distance: 2-3 km

Max Wind Speed Resistance: 80 Km/H (Level 5)

Operating Temperature Range: -10° to 40° C (14° to 104° F)

Transmission Power (EIRP): FCC: < 33 dBm / CE: < 14 dBm / SRRC: < 30 dBm

Antennas: Dual Antennas

GNSS: GPS+SBAS+Galileo+QZSS+Glonass

Video Transmission

Product Name: DJI O3 Air Unit

Weight: Approx. 36.4 grams(headband included)

Communication Bandwidth: Max 40 MHz

FOV (single screen): 155°

Communication Frequency: 2.400-2.4835 GHz;5.725-5.850 GHz

End-to-End Latency

With DJI FPV Goggles V2:

810p/120fps Video Transmission Quality: The latency is lower than 28 ms.

810p/60fps Video Transmission Quality: The latency is lower than 40 ms.

With DJI Goggles 2:

1080p/100fps Video Transmission Quality: The latency is as low as 30 ms.

1080p/60fps Video Transmission Quality: The latency is as low as 40 ms.

Max Video Transmission Bitrate : 50 Mbps

Max Video Transmission Range:10 km (FCC), 2 km (CE), 6 km (SRRC)

Operating Temperature Range: -10º to 40º C (14° to 104° F)

Power Input: 7.4-26.4 V 

Audio Transmission:N/A

FPV Radio

Product Name: Commando 8 ELRS Radio

Weight: 310g (±10g)

Dimentions(LxWxH): L 190 x W 150 x H 51mm

Communication Frequency: 5.725-5.850 GHz

Transmission Power(EIRP):

2.4GHz: FCC: 27 dBm; CE: <14 dBm; SRRC: <19 dBm

915MHz:FCC: 30 dBm; CE: <14 dBm; SRRC: <19 dBm

Operating Current/Volts:  0.6 A @ 7.6 V

Charging Time: 1 hour and 30 mini

Operating Time: Approx. 8 hours

Operating Temperature Range: 0°C  to  40°C(32°F to 104°F)

Charging Temperature Range: 5°C to  40°C(41°F to 104°F)

FPV Goggles

Product Name: DJI Goggles 2

Weight: Approx. 290 grams(headband included)

Dimensions (L×W×H): L167 * W1039 * H 813mm

Screen Size (single screen): 0.49-inch

Resolution (single screen): 1920×1080

Refresh Rate: Up to 100 Hz

Interpupillary Distance Range: 56-72 mm

Diopter Adjustment Range: -8.0 D to +2.0 D

FOV (single screen): 51°

Communication Frequency: 2.400-2.4835 GHz;5.725-5.850 GHz

Transmission Power (EIRP): 

2.4 GHz: < 30 dBm (FCC), < 20 dBm (CE/SRRC/KC)

5.8 GHz [4]: < 30 dBm (FCC), < 23 dBm (SRRC), < 14 dBm (CE/KC)

Max Video Transmission Bitrate: 50 Mbps

Operating Temperature Range: 0° to 40° C (32° to 104° F)

Power Input: 7-9 V (1.5 A)

Recommended Charger

Charger not included in combos, and sold separately. 

To ensure charging speed, it is recommended to use Flight PD 100W Charger or PD 30W Charger, or other USB chargers that support USB PD and QC fast charging protocols.

Packing List

1 x Defender25 O3 HD BNF

1 x Commando 8 ELRS Radio

1 x DJI Goggles 2

1 x Defender25 550mAh Battery

1 x Charging Adapter Board

2 x Defender 2525 Props (pairs)

Important

All iFlight BNFs are tested before shipment to guarantee the highest quality. 

If you still encounter a problem after receiving your shipment, please immediately contact our iFlight customer support at www.iflightrc.freshdesk.com.

Note

1. iFlight products may be used for civilian purposes only and any direct or indirect use of iFlight products for or in connection with the following is prohibited:

(1)Any military combat purpose or military combat related use;  

(2)Terrorist activities: The purchaser also shall require its customers or end users to comply with the foregoing requirements.

2. If party A has violated applicable export control or economic sanctions laws and regulations, Party B has the right to immediately suspend delivery of products to Party A or terminate relevant cooperation without any liability.

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