USB Power Cable Adapter for Fire TV Stick, Powers Streaming TV Sticks Directly from TV's USB Port, 5V/2.1A for FireStick 4K/4K Max, Eliminates AC Adapter Dependency and Declutters Wires

🔔Notice: The 1800mAh battery serves only as a supplementary power source, releasing power when supply is insufficient to ensure smooth video playback. It cannot power the FireStick independently; the adapter’s USB A port must remain connected to the TV for the FireStick to receive power. 📺Universal: Compatible with Fire TV Stick 2/3/4K/4K Max/Lite, and other streaming TV sticks with Micro USB Port. 🚀Plug & Play: simply connect the USB to your TV and the Micro USB to your Fire Stick for quick and easy setup. Please wait about ten minutes to charge the device before first use. ✔️Safe to Use: crafted with premium materials for efficient heat dissipation and a smart chip for multi-protection, ensuring safe operation and preventing short circuits or other safety hazards. 🔋Built-in Supplemental Battery: features a 1800mAh battery that provides backup power during insufficient supply, ensuring smooth 4K video playback and preventing the TV stick from restarts or shutdowns due to low power. ⚡Ensure Adequate Power Supply: 5V/2.1A output, fully meet power requirement of your Fire Stick, ensures a consistent and reliable power supply, eliminates lagging, shutdown or restart due to insufficient power supply. 📺Power Your Fire TV Stick Directly from Your TV USB Port: no AC adapter & outlet needed, and reduce cable clutter.