AJMRTC DC 12V Dual Power Automatic Switcher Module, UPSStyle Emergency Automatic Switching Backup Power Supply Board for Uninterrupted Power Transfer Between Two DC 12V Power Source Units

AJMRTC DC 12V dualpower automatic switcher board is a practical UPSlike emergency backup power control module. It can connect two sets of DC 12V power sources, one as main power input and another as backup power or battery pack. When the main power supply is working normally, the module supplies power to the load and automatically manages charging for the backup battery. Once main power cuts off, the circuit triggers fast automatic switching and switches over to the backup power source instantly to keep downstream equipment running continuously. This function effectively prevents data loss and equipment downtime caused by sudden mains power outages. The module adopts optimized switching logic to shorten transition gap during power source toggle. It is widely applicable for security camera systems, smallsize industrial control equipment, DIY uninterruptible power supply projects and electronic device powersupply retrofitting. Please strictly follow DC 12V rated voltage requirement and confirm positivenegative polarity before poweron to avoid module burnout.

1. Brand: AJMRTC
2. Module Type: DC 12V Dual Power Automatic Switcher Backup Power Board
3. Operating Voltage: DC 12V
4. Core Function: Automatic Switching Between Two 12V Power Sources, Automatic Backup Power Supply, Battery Charging Control
5. Working Mode: UPSStyle Emergency Uninterrupted Power Transfer
6. Application: Security Monitoring System, DIY UPS Build, Industrial Equipment Backup Power, Electronic Circuit Modification
7. Installation: Screw Terminal Hardwired Connection
8. Feature: Fast Switching Response, Automatic Battery Charging Management