Flywoo Firefly18 1S Nano Baby V3 O4 Tiny Drone

Name: Flywoo Firefly18 1S Nano Baby V3 O4 Tiny Drone
Brand: Flywoo
Price: 205.89 USD
Availability: InStock

BNF Copters

Best Price

205,89 €

Version	1S
Style	Tinywhoop
VTX	DJI O4 Air Unit
Weight	36g

The Flywoo Firefly 18 1S Nano Baby V3 O4 is the ultimate "pocket" HD cinewhoop. By pushing the limits of 1S power, Flywoo has managed to mount the flagship DJI O4 Air Unit onto a sub-2-inch frame, giving you 4K/60fps cinematic capability in a drone that weighs less than most smartphones.

Prices & Deals

Last Updated: 14.09.2025

🎬

Product Description

The Flywoo Firefly 18 1S Nano Baby V3 O4 is an engineering marvel—it is arguably the lightest and smallest production drone to successfully integrate the heavy DJI O4 system on a 1S battery.

Revolutionary 1S O4 Integration: Flywoo has pioneered a custom high-efficiency power system that allows the power-hungry DJI O4 unit to run smoothly on a single-cell (1S) battery. This allows for an incredibly small footprint without the noise and bulk of a 2S or 3S quad.
Ultralight Nano Carbon Frame: The V3 frame has been redesigned for maximum weight savings while maintaining rigidity. At only 1.8 inches, it is small enough to fly through gaps that were previously impossible for HD drones, making it a "cheat code" for tight indoor cinematic shots.
ROBO 1002 19800KV Motors: To compensate for the weight of the O4 unit on 1S, Flywoo uses high-performance ROBO motors. These provide the necessary thrust to keep the drone agile while maintaining a linear throttle feel for smooth cruising.
GOKU F411 V2.1 Nano Stack: The heart of the drone is an ultra-compact AIO flight controller specifically tuned for the O4 system's voltage requirements, ensuring the video feed remains stable even as the battery voltage drops during flight.

Technical Specifications:

Frame: Firefly 1.8-inch V3 Nano
Weight: ~45g (without battery)
FC & ESC: GOKU Versatile F411 V2.1 1S 12A AIO
VTX & Camera: DJI O4 Air Unit
Motors: ROBO 1002 19800KV
Propellers: Gemfan 1610-2 (1.8-inch)
Receiver: Integrated ELRS 2.4G
Battery Connector: GNB27 (Recommended for high current)
Flight Time: ~3.5 - 4.5 minutes (with 1S 750mAh)

The Pilot's Reality Check:

1S Voltage Management: Because the O4 unit requires a lot of power, you will experience "voltage sag" faster than on an analog drone. To get the best results, use fresh, high-quality 1S batteries (750mAh is the sweet spot) and land as soon as you see the low-voltage warning.
Not for High Wind: This is an ultra-micro "Nano" drone. While it is incredibly fun to fly outdoors on calm days, even a light breeze will push it around. It is at its absolute best for indoor "house tours" or calm backyard explorations.

📦 Package contains

1 * Flywoo Firefly 18 1S Nano Baby V3 O4 Drone
2 * Sets of Gemfan 1610-2 Propellers (4x CW, 4x CCW)
1 * TPU Spare Camera Mount
1 * Set of Spare Screws
1 * GNB27 to PH2.0 Adapter Cable (For older chargers)
1 * Propeller Removal Tool

🤔 Frequently Asked Questions

How can a tiny 1S battery carry a full DJI O4 system without falling out of the sky?
It’s all about weight management. Flywoo uses an ultra-light carbon frame and a special BEC (voltage regulator) to keep the O4 unit running reliably on low voltage. Because it only has one battery cell, it’s not a "rocket ship," but it is efficient. It feels more like a feather floating in the air than a heavy drone fighting gravity.
I see two versions, the 16 and the 18. Why should I pick the 18?
The "18" refers to the 45mm props (1.8 inches). These slightly larger props give the drone more "lift" and better efficiency than the 16 version. If you want the best flight time and a smoother, more stable video for cinematic cruising, the 18 is the better choice. The 16 is punchier but loses battery
Does the camera see the propellers in the footage?
In the standard wide-angle view, you will see the tips of the props in the corners of your video. If this bothers you, you can use the Flywoo 155° Ultra-Wide Lens adapter (often included or sold as an add-on) or simply crop the video slightly in editing. Most users find it a fair trade-off for having such a tiny 4K camera rig.
What battery should I use for the best balance of flight time and speed?
The "sweet spot" is a 750mAh 1S LiHV battery. It gives you about 5 minutes of solid flying. If you go up to a 1000mAh battery, you can get nearly 7 minutes, but the drone starts to feel "heavy" and sluggish. If you go down to 450mAh, it becomes a little ripper for 3 minutes, but you'll be landing before you know it.
Is the "A30" connector compatible with my "BT2.0" batteries?
Yes! The A30 connector used by Flywoo is physically compatible with BetaFPV’s BT2.0 batteries. You can plug your BT2.0 packs right in without any adapters. This is a huge win for anyone who already has a fleet of small BetaFPV drones.