Overview
Firefly 16 / 18 1S Nano Baby V3 Walksnail Tiny Drone is a 1S nano FPV tiny drone optimized for the Walksnail system, using the Walksnail Avatar HD Mini 1S Kit and a GOKU F405 HD 1S 5A AIO with TXCO ELRS. It is built around an ultralight 2.6 g F405 1S AIO and supports HD digital video transmission with 1080p/60fps and H.265 encoding.
Key Features
- Walksnail Avatar HD Mini 1S Kit: 1080p video, low latency, wide FOV; supports 1080p/60fps; H.265 encoding
- Ultralight electronics: 2.6 g F405 1S AIO
- A30 battery connector; supports 15A current (PH2.0 only 4.5A)
- Plug & play motor design
- 1002 motor + HQ prop power solution
- V2 prop guard (weight 1 g only); new ultralight prop guards are 23% lighter
- Switchable/replaceable V3 battery compartment with improved locking mechanism; supports 450 mAh and 750 mAh battery replacements
- Advanced flight calibration: optimize PID parameters and adjust the throttle curve to improve maneuverability and response
- Cooling structure design
Specifications
| Model | Firefly 16 / 18 1S Nano Baby V3 Walksnail Tiny Drone |
| Frame | Firefly16 / 18 1S Nano Baby V3 Walksnail Frame kit |
| Electronic (AIO) | GOKU F405 HD 1S 1S 5A ELRS AIO |
| Flight Controller MCU | STM32F405 |
| Gyroscope | ICM 42688-P |
| Black Box | 8MB |
| Transmission (VTX) | Walksnail Avatar HD Mini 1S VTX |
| Camera | Walksnail Avatar HD Nano Camera |
| VTX & Camera | Walksnail Avatar HD Mini 1S Kit |
| Propeller | HQ 45MMX2 (Firefly18) / HQ 40MMX3 (Firefly16) |
| Motor | ROBO 1002 19800KV (Firefly18) / ROBO 1002 23500KV (Firefly16) |
| Battery Connector | A30 |
| Voltage Input | 1S LiHV; recommend 450mAh / 750mAh / 1000mAh |
| Weight | 35 g |
| Flight Times & Throttle (reference only) |
Flywoo 1S 450mAh / 3m40s / 35% (Firefly16 O4) Flywoo 1S 750mAh / 4m40s / 38% (Firefly16 O4) Flywoo 1S 450mAh / 4m17s / 32% (Firefly18 O4) Flywoo 1S 750mAh / 5m40s / 35% (Firefly18 O4) |
What's Included
Firefly18 Walksnail version
- 1x Firefly18 1S Nano Baby V3 Walksnail Tiny Drone
- 1x 1S 450mAh battery TPU mount
- 1x 1S 750mAh battery TPU mount
- 8x HQ 45mm x2 props (1.5mm shaft)
- 4x prop guard
- 1x screwdriver
- Paddle remover
- Hardware set / screw pack
- Nylon studs
- Shock absorbing balls
- Acetate tape
- Plastic cable ties
Firefly16 Walksnail version
- 1x Firefly16 1S Nano Baby V3 Walksnail Tiny Drone
- 1x 1S 450mAh battery TPU mount
- 1x 1S 750mAh battery TPU mount
- 8x HQ 40mm x3 props (1.5mm shaft)
- 4x prop guard
- 1x screwdriver
- Paddle remover
- Hardware set / screw pack
- Nylon studs
- Shock absorbing balls
- Acetate tape
- Plastic cable ties
Applications
- Walksnail digital FPV indoor flying and training
- Micro FPV practice where prop guards are preferred
For product compatibility questions or setup support, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

The Firefly16/18 1S Nano Baby V3 features a compact micro quad frame with a front-mounted FPV camera in a purple canopy.

The build pairs a Walksnail Avatar HD Mini 1S camera/VTX setup with a 2.6g F405 1S AIO and plug-and-play motor connectors for easier wiring.

Nano Baby V3 details include an A30 battery plug, 1002 motors with HQ props, a lightweight V2 prop guard, and a replaceable 1S battery mount.

The build uses an STM32F405 flight controller with a GOKU F405 HD 1S 5A AIO (TXCO ELRS), ICM42688-P gyro, and Walksnail Avatar HD Mini 1S kit, and it runs 1S LiHV packs via an A30 connector.

Advanced flight calibration supports tuning PID parameters and throttle curves to adjust roll and pitch response timing.

Nano Baby V3 uses new ultralight prop guards advertised as 23% lighter and a battery compartment with an improved locking mechanism for 450mAh or 750mAh packs.

The Nano Baby V3 switchable battery compartment uses an improved locking mechanism and supports 450mAh or 750mAh 1S packs.

The Flywoo EasyPower F16 charger board uses a USB-C input and six A30 ports for charging multiple 1S packs in one setup.

The Firefly 18 Walksnail kit includes HQ45mm props, ultralight prop guards, a screw pack, cable ties, and basic tools for setup and maintenance.

The Firefly 16 Walksnail package includes HQ40mm x3 props, ultralight prop guards, a screw pack, and small tools like a screwdriver and paddle remover for easy setup and repairs.
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