Q: Is the Cement F7 100A Stack truly waterproof?

A: Yes. It features an IP67-rated waterproof and dustproof design, meaning it can handle rain, moisture, and temporary immersion (up to 0.5m for 30 minutes). However, it is still recommended to dry the system properly after exposure to water.

Q: What type of drones is this stack suitable for?

A: With a powerful 100A ESC and 2–6S LiPo support, this stack is ideal for high-performance freestyle, racing, and long-range FPV drones that require high current handling and strong durability.

NewDarwinFPV "Cement" Ultra Durable F4 F7 100A Waterproof Stack

DarwinFPV

Pilot RecommendedTrusted PerformanceBuilt to Last

$ 138.99 ~~$159.00~~

-13%

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Options (4)

F7 Cement Stack(ICM42688)

F7 Cement Stack(MPU6000)

F4 Cement Stack(ICM42688)

F4 Cement Stack(MPU6000)

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$20 Off Orders $199+

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Description

FAQ

● Extreme Durability & Waterproof Protection – IP67-rated dustproof and waterproof design, capable of withstanding immersion up to 0.5m for 30 minutes, ensuring reliable performance in rain, snow, and harsh environments.

● High-Performance F7 + 100A ESC Stack – Equipped with a powerful F7 flight controller and a 100A ESC, supporting 2–6S LiPo batteries with dynamic 128kHz PWM output for precise and responsive throttle control.

● Advanced Hardware Protection – Features multiple safety protections including soft-start, reverse polarity, short circuit, and over-current protection to enhance reliability and safeguard your electronics.

● Cement Potting Structure – Innovative glue-filled construction improves impact resistance, reduces vibration interference, and increases overall durability compared to traditional stack designs.

● Pilot-Friendly Integration – Optional MPU6000 or ICM42688 gyroscope, onboard LED indicators, Pit Switch support (F7 version), and rich connectivity ports for easy installation in various FPV builds.

Darwin FPV "cement" ultra-durable waterproof stack is the top stack launched by the Darwin team for professional pilots. It completely solves the industry problem of poor reliability of fpv drones, allowing you to fly in any environment and greatly improving the fun of flying. Satisfy your various creative inspirations!

All products in the series are crafted using the highest-grade components, providing you with an unparalleled experience and top-tier enjoyment.

Innovative Structural Design

Uses a glue-filled, impact-resistant “cement potting” process to replace fragile connectors and traditional low-conductivity heat shells, enhancing shock resistance while maintaining compact size and installation compatibility.

Powerful F7 Flight Controller & 100 A ESC Stack

Combines a high-performance F7 flight controller with a 100 A electronic speed controller (ESC), supporting 2–6S LiPo setups and dynamic 128 kHz PWM output for precise throttle control and versatile flight tuning.

Pilot-Friendly Features

Includes optional high-performance gyroscope choices (MPU6000 or ICM42688), onboard multi-level LED indicators for status checks, Pit Switch (F7 version), and extensive connectivity for easy integration in FPV builds.

Model	DarwinFPV "Cement" Ultra Durable F4-100A Waterproof Stack	DarwinFPV "Cement" Ultra Durable F7-100A Waterproof Stack
Input Voltage	3-8S LiPo	3-8S LiPo
Mounting Dimensions	30.5×30.5mm	30.5×30.5mm
Dimensions	39.5×39.5×4mm	39.5×39.5×4mm
Weight	44.2g	44.2g
Flight Controller (FC)
Main Control Chip	AT32F435	STM32F722
Black Box	16M	4G
Motor Output Port	M1-M4	M1-M8
Serial Port	UART1, UART2, UART3, UART5, UART7	UART1, UART2, UART3, UART4, UART6
Firmware	DARWINF435 (BetaFlight)	DARWINF722HDV2 (BetaFlight)
USER	/	1× USER2 (PC9)
Gyro	MPU6000 / ICM42688	MPU6000 / ICM42688
OSD	AT7456E	AT7456E
Input Voltage	3-8S LiPo	3-8S LiPo
BEC	10V/3A, 5V/3A	10V/3A, 5V/3A
USB Interface	1× Waterproof USB Type-C	1× Waterproof USB Type-C
I2C	1× I2C	1× I2C
RGB	4× RGB soldering pads	4× RGB soldering pads
Buzzer	1× BB-	1× BB-
Mounting Dimensions	30.5×30.5mm	30.5×30.5mm
Dimensions	39.5×39.5×4mm	39.5×39.5×4mm
Weight	10.1g ±0.2g	10.1g ±0.2g
ESC – DarwinFPV "Cement" Ultra Durable 100A ESC
Main Control Chip	AT32F421 (32-bit 120MHz 128KHz dynamic PWM)
Input Voltage	3-8S LiPo
Continuous Current	4×100A (Requires water-cooled heat dissipation for continuous 100A operation)
Peak Current	4×120A (5S)
Support Throttle Protocol	DShot150/300/600/1200, MultiShot, OneShot42, OneShot125
Galvanometer	Support (Current Meter Scale = 125)
Telemetry	Support
Firmware	DARWIN_F4_60 (BLHeli_32)
Power Cable	#14AWG / 120mm
Mounting Dimensions	30.5×30.5mm
Dimensions	36.8×42.5×7.5mm
Weight	23.0g ±0.2g

The DarwinFPV Cement Ultra Durable F7 100A Waterproof Stack is built for pilots who demand maximum durability and reliable performance in extreme conditions. Featuring an IP67-rated waterproof and dustproof design with advanced cement potting protection, this stack is engineered to withstand rain, moisture, vibration, and hard impacts. The powerful F7 flight controller paired with a high-current 100A ESC supports 2–6S LiPo batteries and delivers smooth, responsive throttle control with dynamic 128kHz PWM output. Multiple built-in hardware protections—including reverse polarity, soft-start, short circuit, and over-current safeguards—ensure stable and secure operation for aggressive freestyle, racing, or long-range builds. Designed for serious FPV pilots, this stack combines strength, power, and reliability in one compact solution.

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