iFlight BLITZ Mini F7 Stack (E55R 4-IN-1 ESC)

The iFlight BLITZ Mini F7 Stack with E55R 4-IN-1 ESC is a powerful solution for small FPV drones, providing stable operation, robust signal processing, and excellent performance for 3-7 inch drones. This compact yet powerful stack includes an F7 flight controller and a high-quality electronic speed controller (ESC) built with premium components.

Features

Compact 20x20 mm form factor

High-performance STM32F722 MCU for fast data processing

Support for digital and analog VTX (solderless connection)

Built-in LC filter for a clean video signal

Support for Betaflight and INAV firmware

Low electrical noise and stable operation

Telemetry and BLHeli_S/Bluejay support for ESC configuration

BLITZ Mini F7 Flight Controller Specifications

Processor (MCU): STM32F722

Gyroscope: ICM42688

Barometer: DPS310

OSD: AT7456E

Blackbox: 16MB Flash

Firmware: Betaflight, INAV

BEC:

5V 2.5A

9V 2A

UART Ports: 5

Mounting Holes: 20x20 mm (Ø4 mm)

Dimensions: 30.5 x 30.5 mm

Weight: 5.8 g

Connection Recommendations

UART 1: For HD/Analog VTX

UART 2: For receiver

UART 3/4: For GPS or other sensors

UART 5: For ESC telemetry

BLITZ E55R 4-IN-1 ESC Specifications

Input Voltage: 2-6S LiPo

Max. Continuous Current: 55A

Max. Peak Current: 65A

Processor (MCU): BB21

Current Sensor: Yes

BEC: No

Update Frequency: DShot150/300/600, Multishot, Oneshot

Firmware:

BLHeliS: Q-H-25 16.7

Bluejay: Q-H-25

Mounting Holes: 20x20 mm (Ø4 mm)

Weight: 8.7 g

Package Contents

1 x BLITZ Mini F7 Flight Controller

1 x BLITZ E55R 4-IN-1 ESC

1 x Silicone dampers set

1 x Cable set for FC and ESC connection

This stack from iFlight is an excellent choice for those who want maximum performance and stability in a compact form factor for their mini FPV drones.