iFlight BLITZ Mini F7 Stack (E55 Mini 4-IN-1ESC) The iFlight BLITZ Mini F7 Stack delivers serious power and precision in a compact 20×20 mini format, perfect for tight freestyle and race builds. Featuring a fast STM32 F722 flight controller paired with a robust 55A 4-in-1 ESC, it handles 2–6S LiPo with smooth throttle response, clean signal performance, and rock-solid reliability. Designed for modern FPV setups, it includes low-noise circuitry, plug-and-play HD VTX support, onboard LEDs for quick diagnostics, and full DShot compatibility for crisp motor control. Compact, powerful, and easy to wire — this stack is built to rip. Product Description MCU: STM32 F722 Gyro: ICM42688 Barometer: DPS310 OSD Chip: AT7456 Flash: 8MB (Blackbox flash) UARTS: 6 Motor outputs: 4x (SH1.0 connector) I2C serial: SDA / SLA pads Smartaudio / IRC Tramp VTX protocol supported LED controller: Yes Beeper pad: Yes Firmware target: IFRC-IFLIGHT_BLITZ_F722 Mount pattern: 20×20 mm / 4mm PCB hole diameter, silicon grommets for M3 screws Dimensions: 30.5×27 mm Weight: 5g Wiring Suggestion UART 1 for VTX HD / Analog UART 2 for a Receiver UART 3/4/5 for GPS or other sensors that require a serial port UART 6 for ESC Telemetry ESC Specifications Mounting Holes: 20*20mm/Φ4mm Weight: 11.3g Supports 2-6S Lipo input MCU： G071 Constant: 55 Amps Burst: 65 Amps Current sensor: Yes BEC: No Current rate: 200 Supports: DShot DShot150/300/600/MultiShot/ OneShot etc. Firmware: BLHeli 32 Target: IFLIGHT_BLITZ_G071_01 32.9 Firmware: BLHeli 32 Packing List 1 x BLITZ Mini F7 V1.2 Flight Controller 1 x BLITZ Mini E55 4-IN-1 2-6S ESC 1 x silicon grommets 1 x wire harness for F7 Flight controller Note 1. If you need to use the ESC in the iH3 O3 Frame kit, please remove the capacitor after receiving the ESC, and then install the ESC. 2. iFlight product is for fun purposes only and does not support autonomous flight. More Information Changelog October 20, 2023: Flight control Blackbox flash capacity changed from 16MB to 8MB April 6, 2024: The flight control is updated to version V1.2, and the gyroscope is changed from BMI270 to ICM42688. June 27, 2024: Since BLheli32 Configuration is closed due to regulatory issues, if you need to adjust the parameters of this ESC, please download “BLHeliSuite32Test” in the “Download” column of this page.
