Q1: What drones and battery setups are compatible with the T-Hobby F7 HD + F55A Pro II stack?

A1: This stack supports 3–6S LiPo batteries and is ideal for 5-inch FPV racing and freestyle drones. It provides integrated flight control and ESC functionality for a compact, high-performance build.

Q2: Does the stack support DJI FPV digital systems?

A2: Yes. The F7 HD flight controller is compatible with DJI Air Unit and O3 Air Unit systems, allowing plug-and-play digital FPV integration while maintaining smooth flight performance.

NEWT-HOBBY F7 HD+F55A-Pro-II-30.5x30.5 Stack For FPV Drones

About T-HOBBY F7 HDF55A Pro II STACK:

The T-HOBBY F7 HDF55A Pro II STACK is a high-performance 30×30mm flight stack designed for 5″ freestyle and racing FPV drones. It integrates an advanced F7 flight controller and a HDF55A Pro II 4-in-1 ESC, supporting 3–6S LiPo batteries. This stack delivers powerful performance, fast response, and excellent stability, providing pilots with precise flight control and smooth handling. With built-in DJI FPV Air Unit cable compatibility, wiring is cleaner and installation is faster. The compact structure and lightweight design help reduce overall drone weight while maintaining strong power delivery and reliable signal transmission. Whether you’re tuning for freestyle, cinematic, or competitive flying, this stack is engineered for seamless integration and professional-grade performance.

T-HOBBY

5.0

Sales：1Pcs

$137.90

~~$155.90~~

-12%

Extra 10% Off Get

● Wide Voltage Support – Compatible with 3S to 6S LiPo batteries for flexible power configurations.

● Standard 30×30 Mounting Holes – Fits most FPV racing and freestyle frames effortlessly.

● DJI FPV Plug-and-Play – Comes with a dedicated port for DJI Air Unit connection, ensuring smooth setup.

● Lightweight and Compact – Optimized structure minimizes space and weight while maximizing efficiency.

● 4-in-1 ESC Integration – Simplifies installation, improves system response, and ensures stable power output.

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F7 HD+F55A Pro ll 30x30 Stack

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Reviews (3)

m*************r

Excellent performance! The throttle response is sharp, ESC stays cool, and setup was straightforward. Ideal for small FPV drones.
KV：F7 HD+F55A Pro ll 30x30 Stack
c***********o

Very stable and reliable stack. The HD flight controller integrates perfectly with the F55A-Pro-II ESC. Great for both freestyle and cinewhoop builds.
KV：F7 HD+F55A Pro ll 30x30 Stack
f*********9

The F7 HD + F55A-Pro-II stack is fantastic! Smooth flight control, responsive ESC, and easy setup. Works perfectly on both 30.5x30.5 and 30x30 frames.
KV：F7 HD+F55A Pro ll 30x30 Stack