Help me design an UPS for 24VDC

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bursac

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24vdcups

Hi everyone!

I need to design an UPS for 24VDC, 5A. Input is power supply 220VAC/24VDC 5A. Battery pack 2x12V 12Ah. When PS is active, batteries are inactive.When PS is off, battery pack is in function.Again,when PS is on, it charges battery(automatic turn off charging when charged, not complete PS) and provide 24VDC 5A on output.

I have got usual PS without control electronic for smart charging, and lead acid 2x12V 12Ah batteries. What do you suggest me to do to make this work. Any schemes are welcome.

thanks in advance.
 

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