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.

T-HOBBY F7 HD+F55A-Pro-II-30.5x30.5 Stack For 5″ freestyle and racing FPV drones.

About T-HOBBY F7 HDF55A Pro II FPV STACK for 5″ Freestyle And Racing:

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.

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● 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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Options (3)

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F7 HD+F55A Pro ll 30x30 Stack

F55A ProII 55A

F7 HD FC

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In Stock Expected ship within 48 hours after order.

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Reviews (4)

M*********0

Vine Voice

MEPSKING Vine Customer Review of Free Product

This F7 flight controller combined with the 55A ESC is an absolutely top-tier stack. Everything works flawlessly straight out of the box and the overall performance is on another level compared to weaker setups. The difference in power delivery, responsiveness, and stability is instantly noticeable in the air. Motors feel smoother, throttle control is more precise, and the whole quad feels locked-in and confident even during aggressive maneuvers. Build quality is excellent, components feel solid, and nothing overheats or behaves unpredictably. Compared to lower-end stacks, this setup delivers a huge jump in quality, reliability, and overall flying experience.

KV：F7 HD+F55A Pro ll 30x30 Stack Replied by MEPSKING:Thank you for the great feedback! We’re thrilled the F7 + 55A stack delivers smooth motors, precise throttle control, and rock-solid stability. Excellent build quality and reliable performance are exactly what we aimed for. Enjoy confident, powerful flights! 🚀
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