DarwinFPV XT30/XT60 Smoke Stopper

Summary

When building or troubleshooting RC FPV drones 🛠️, incorrect wiring, short circuits, or reversed polarity can trigger deadly current surges ⚡ that instantly destroy flight controllers, ESCs, motors, or even your PCB—costing you time, money, and safety risks.

The DarwinFPV Smoke Stopper is your essential safety net 🛡️! Designed for drone maintenance and bench testing, it uses ultra-fast response circuitry with audible/visual alerts 🚨 to catch 90%+ of short-circuit issues. Supporting 1-6S batteries 🔋 and dual XT30/XT60 interfaces 🔌, it eliminates component burnout, cuts repair costs, and keeps your builds safe.

Features

⚡ Ultra-fast 20ms response

Cuts power instantly on short circuits, reverse connections, or overloads to prevent component burnout. More efficient than a multimeter for troubleshooting.

💚🔴 Dual audible/visual alerts

Built-in LED and buzzer; Green light stays on (buzzer silent) in normal operation; red light flashes + buzzer sounds on short circuits/wiring errors. No extra tools needed—new pilots can quickly identify issues.

🔌 2-in-1 universal compatibility

2-in-1 XT30/XT60 design works with all FPV drones, UAVs, and RC cars, supporting 1-6S batteries to cover most mainstream setup needs.

🔄 Resettable PTC fuse

Uses a PTC resettable fuse (non-one-time use).After clearing a fault, disconnect the battery and wait 10 seconds to reset—reusable long-term, saving time and money.

🧳 Compact & portable

Pocket-sized and easy to carry, built for bench testing and repair scenarios. Can test motor operation at low currents—an essential safety accessory for drone setup.

See the DarwinFPV Smoke Stopper in action! Watch Whirly Bloke 's full review and test video to learn more about its features and how to use it for your FPV build: