YUANJS Backup Battery Switch,DC 12V 24V 36V 48V 10A Power Supply Battery Controller Emergency Automatic Switch Module

Features: This controller is used for emergency battery switching; when there is power on main power source terminal, it will connect to main power source as power supply; otherwise, it will automatically switch to battery. When the power on main power source is back, it will switch to main power. Designed with screw terminals for convenient wire connection. Specifications: Voltage: DC12V~48V Load Current: 10A Size: 5*3*1.8cm/1.9*1.2*0.7in Quantity: 1 Weight: 22g(approx.) Note: 1, Voltages of power source, battery and load should be the same. 2, When it switches, there will be a temporary power failure for about less than 1 second. Package Includes: 1 x Controller