amiciSolar Automatic Backup Battery Switching Module | 12V 150W Auto Power Transfer Relay Smart Switch  (Black, Green)

Why You Need This?: Never worry about sudden power cuts again! This module keeps your devices running by switching to backup battery power instantly—making it essential for any emergency or off-grid setup. Uninterrupted Power Supply: Automatically switches from main power to backup battery when the primary source fails—ensuring continuous operation for your devices. Smart Power Priority System: When both adapter and battery are connected, the system prioritizes adapter power (green light). If the adapter fails, it instantly switches to battery mode (red light). High Power Handling: Supports up to 150W and 12A current at DC 12V, making it perfect for a wide range of low-voltage emergency and backup applications. DIY & Emergency Ready: Ideal for electronics enthusiasts, solar energy setups, routers, alarms, and other critical systems that require seamless power continuity. Simple Installation, Reliable Performance: Compact design with clear LED indicators for active power source. Easy integration into any 12V system—no complex wiring required.