premkumar9
Member
Hi,
I have an equipment which works with 12V DC with average current consumption of about 250mA. Made the DC power supply to give power from AC line. But want to make this equipment work with rechargeable battery (should automatically switch over to battery supply) when AC power fails. 4Hrs back up preferred. Can anybody give suggestions on how to do that in a simple way.
I have an equipment which works with 12V DC with average current consumption of about 250mA. Made the DC power supply to give power from AC line. But want to make this equipment work with rechargeable battery (should automatically switch over to battery supply) when AC power fails. 4Hrs back up preferred. Can anybody give suggestions on how to do that in a simple way.