Holybro
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Price on request
MOQ 1 pc · samples available
Ruistart · Flight Controllers
INAV Flight F4 Flight Controller Built-in OSD & Battery Voltage and Current Monitor
SKU RS-28 HTS 8806.99 Origin Shenzhen, CN Updated Oct 2026
Price on request
Wholesale pricing is quoted per order. Send the quantity and destination and the trade desk replies within six working hours, EXW Shenzhen.
- MOQ 2 pc — samples welcome
- Sourced equivalent available for private label
- Bench-tested before dispatch
- 12-month warranty, RMA support
- Ships in 24-48h from stock
- Trade desk replies in 6h
Description:
Item Name: FLIGHT F4 Flight Controller
Input Voltage: 7.4V - 22.2V (2-6S Lipo)
Dimension: 38x38x13mm
Weight: 18g
Application: Use INAV firmware can work with all kinds of RC Airplane
Features:
Ultra High Performance MCU STM F4 Integrated Chip
High Performance MPU-9250 Gyroscope & Accelerometer
Incredibly Precise MPU-9250 Magnetometer
Altitude Control Capability via Integrated BMP280 Barometer
Anti Vibration via Integrated Silicone Soft Mount Dampers
Powerful 120A Integrated PDB
Integrated OSD
Support up to 6 UARTs
Built-in Buzzer port and AirSpeed port
Integrated Driver Inverter for SBUS and S.PORT connections
Built-in Battery Voltage and Current monitor
Camera and VTX port built-in Peripheral pass
Integrated 5V@3A BEC for small Digital servos, can be easily changed to External BEC for bigger Servos
Can be easily changed to Camera Voltage and vtx Voltage
Can be easily changed to RX Voltage
Support INAV firmware
Simplified & Ready with Plug & Play Functionality
Package Included:
1x INAV FLIGHT F4 Flight Controller
1x Buzzer
8x 4P Wire
Key specifications
| Department | Flight Controllers |
|---|---|
| Minimum order | 2 pcs (samples available) |
Packing and freight data
| Packaging | Qty per carton | Carton (cm) | Gross weight | CBM |
|---|---|---|---|---|
| Retail box | 4 | 18 × 12 × 6 | 0.42 kg | 0.0013 |
| Inner carton | 11 | 38 × 26 × 22 | 4.6 kg | 0.0217 |
| Export carton | 191 | 58 × 42 × 38 | 21.4 kg | 0.0926 |
Placeholder packing data — confirm with your supplier before quoting freight. CBM is per export carton.
Wholesale questions
What is the minimum order quantity for INAV Flight F4 Flight Controller?
Stock supply starts at 2 pc. The 10× and 50× quantity breaks are already applied in the price table above.
Can you print our brand on this product?
Not on this specific SKU. For INAV Flight F4 Flight Controller Built-in OSD & Battery we supply as-is, but if you need a private-label version we will usually find an equivalent part in the same family that can be branded — send us the requirement.
How is this shipped and how long does it take?
Air express (DHL / FedEx / UPS) is typically 4-7 working days door to door. Larger orders can move by sea or rail with DDP terms so the landed cost is fixed before dispatch.
Is it tested before dispatch?
Every unit is bench-tested and inspected before packing, and we can supply CE / FCC / RoHS documentation and a QC report with the shipment.
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Get bulk pricing on your BOM in 6 hours
Send us your parts list — we return a landed-cost quote with tier pricing, lead time and shipping options. No sign-up needed, just an email address to reply to.
- Tier pricing from 1 pc to 10,000+ pcs, valid 30 days
- Mixed-SKU containers and consolidated shipping
- OEM logo, custom firmware, retail packaging
- Sample order first, scale after you test
Prefer to talk? Message the trade desk on WhatsApp.