SpeedyBee F405 BLS 50A 30×30 4-in-1 ESC – Reliable 3-6S FPV Power

The SpeedyBee BLS 50A 4-in-1 ESC is the ideal power solution for pilots who value reliability and high performance. As a high-output 50A FPV ESC, it provides a consistent 50A continuous current and handles bursts up to 55A, making it perfect for aggressive 3-6S drone maneuvers. This ESC is engineered with a high-quality 4-layer 2oz copper PCB to ensure excellent thermal management and durability during high-current loads.

At the heart of these Racing Drone Electronics is the BLHeli_S 50A ESC firmware, delivering a linear throttle response and stable motor control. For enhanced safety, SpeedyBee has integrated a TVS protective diode to shield your electronics against dangerous voltage spikes during flight. With its standard 30.5x30.5mm mounting pattern and 8-pin connector for seamless FC integration, the SpeedyBee 50A ESC is the perfect cornerstone for any reliable and powerful FPV build.

* The DJI Air Unit plug is completely compatible with DJI O3/RunCam Link/Caddx Vista/DJI Air Unit V1, no wire is needed to be changed.

Configure your FC and ESC via Bluetooth

With SpeedyBee app, turn your phone into an all-in-one FC configurator and tune your quad anytime, anywhere. Experience wireless, fully configurable ESC experience with SpeedyBee app.

Powerful Real 50A 4-in-1 ESC!

Built with the robust BB21 MCU and large motor pads for easy soldering. Built with Japan made TDK filtering SMT capacitors + onboard TVS protective diode, brings smooth flight experience. Real 50A output, ready for your baddest 6S motors.

Forgot your LiPo checker? Just look at the FC!

Built with a 4-level LED battery indicator, now you can fly anywhere worry-free - even without your lipo checker!

* 1 light constantly on: battery level 10-25% 1 light blinking: battery level < 10%

8 motors output for X8/Y6/ fixed-wings

You could use this stack to build your X8 drones, Y6 drones or fixed wings. Forget about crawling through your massive build just to plug in that USB cable. Just take out your phone to configure everything in the SpeedyBee app.

Change motor directions wirelessly!

Finishing your latest build? Just replaced your motor after a crash? Take your smartphone out, and configure your motor direction wirelessly with the latest SpeedyBee app. Works for all BLHeli32 / BLHeli_S / BlueJay ESCs.

4 sets of LED pads with simple switching

Need more visibility at night? Just solder up your LED strips* and blaze the darkest trail you can find. With just one tap on t he BOOT button, you can cycle through all different LED presets** and pick the one you love! * LED strips could be purchased here **Or long press the boot button to switch to Betaflight LED mode

1000uF Low ESR capacitor + TVS protective diode = Extra protection

The ESC is built with TVS protective diode to absorb the voltage spike when you plug in the battery, or during crashes that block your props.We also provide a humongous 1000uF low ESR capacitor, ensuring clean data from the gyro to the FC.

And packaged with more useful features

● Built-in barometer for accurate height calculation ● SD Card slot can support up to 4GB Blackbox data* ● Dedicated DJI Air Unit connector for a quick digital build ● 9V 2A + 5V 2A individual BECs ● 4 x UARTs for your receiver + VTX + camera + GPS. ● Power your GPS with a USB cable - no battery needed. No extra heat, no worries. ● 22mm cutouts for FPV camera in your tight build

*Betaflight firmware requires the type of the microSD card to be either Standard (SDSC) or High capacity (SDHC), so extended capacity cards (SDXC) are not supported(Many high-speed U3 cards are SDXC). Also the card MUST be formatted with the FAT16 or FAT32 (recommended) filesystems. So, you could use any SD card less than 32GB, but the Betaflight can only recognize 4GB maximum. We suggest you use this 3rd party formatting tool and choose 'Overwrite format' then format your card. Also check out here for the recommended SD cards or buy the tested cards from our store.

Dimensions

Wiring Diagram