Hello,
I want to build a battery backup supply for 12v 2amp system. so I need a battery which is capable of this supply aproximately 8 to 9 hrs.And i need a circuit which switch automatically to battery supply when there is no power (ac)supply.Using relay autoswitching possible ? And charger circuit is also required.Is it possible to charge a battery with this smps supply and autoswitching possible?
I want to build a battery backup supply for 12v 2amp system. so I need a battery which is capable of this supply aproximately 8 to 9 hrs.And i need a circuit which switch automatically to battery supply when there is no power (ac)supply.Using relay autoswitching possible ? And charger circuit is also required.Is it possible to charge a battery with this smps supply and autoswitching possible?