User Manual:Multi-Way Output Plastic Boxed Power Supply UPS- CCTV
Introduction:
Please make sure that the model you use is our 12VDC 5A, 4 Channel Output Plastic Boxed Power Supply UPS- CCTV for 7Ah battery backup, Conversion eficiency of this model is more than 85%,with output over-current protection,short circuit protection,Under voltage protection for battery,with constant output voltage and etc.
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Video:
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Working Principle:
Under AC 100-240V, power for the load and battery are provided by electric supply, Then led light being green. When power failure is provided by the battery voltage to the load, then led light being red, entered the stage of storage battery voltage monitoring at the same time. When detect the battery voltage drops to 10.5 V, the circuit will cut off the load, no longer to load the power supply in order to prevent the battery discharged, thus protecting the lifespan of the battery, the system will automatically reset when mains power returned to normal and ready to be prepared for the next time.