Had a question I have a 405 v3 and f7 stack but the flight controller on both only work while plugged in or with battery and plugged in . Why

I'm honestly not sure how to answer this and don't wanna answer rudely but I'm thinking because power is necessary to use the electronics?

Deliver to Mali

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SpeedyBee F405 V4 Flight Controller Stack:30x30 Bluetooth Stack with 4in1 55A ESC Board,Wireless Betaflight Configuration,Blackbox,Barometer for DJI Air Unit FPV

SpeedyBee F405 V4 Flight Controller Stack:30x30 Bluetooth Stack with 4in1 55A ESC Board,Wireless Betaflight Configuration,Blackbox,Barometer for DJI Air Unit FPV

Product ID: 529604811

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Details

Brand
SPEEDY BEE
Model Name
SpeedyBee F405
Memory Storage Capacity
4 GB
CPU Model
None
Connectivity Technology
Bluetooth

⚡55A 4-in-1 ESC power

📶Bluetooth wireless config

🔋4-level battery indicator

Description

🚀 Fly smarter, not harder — the ultimate wireless FPV flight controller stack!

RAW 55 A POWER OUTPUT - Robust 4-in-1 ESC with Japan-made capacitors and TVS diode ensures smooth, high-current 6S motor performance.
WIRELESS FLIGHT TUNING - Configure your FC and ESC anytime via Bluetooth with the SpeedyBee app—no wires, no hassle.
CUSTOMIZABLE LED PRESETS - 4 LED pad sets with easy switching let you blaze your own trail and stand out in any night flight.
SMART BATTERY MONITORING - Built-in 4-level LED battery life indicator means you never fly blind or worry about unexpected power loss.
INSTANT MOTOR DIRECTION SWAP - Change motor rotation wirelessly post-crash or build—compatible with BLHeli32, BLHeli_S, and BlueJay ESCs.

The SpeedyBee F405 V4 Flight Controller Stack integrates a Bluetooth-enabled 4-in-1 55A ESC with advanced features like wireless Betaflight configuration, onboard battery life LED indicator, and motor direction control. Designed for DJI Air Unit FPV setups, it offers robust power delivery, easy soldering, and customizable LED lighting, making it a top-tier choice for professional and enthusiast drone pilots seeking seamless wireless tuning and reliable performance.

Specifications

Processor	none
Wireless Type	Bluetooth
Brand	SPEEDY BEE
Series	SpeedyBee F405 V3
Item Weight	3.84 ounces
Product Dimensions	1.64 x 1.55 x 0.31 inches
Item Dimensions LxWxH	1.64 x 1.55 x 0.31 inches
Processor Brand	STMicroelectronics
Number of Processors	4
Manufacturer	SPEEDY BEE
ASIN	B0C2VKDLFK
Date First Available	April 13, 2023

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