Hi guys,
I've a vehicle tracking modem which is going to connect in a vehicle has 12v/24vDC battery. I just need to connect a backup battery(12vDC) to modem for uninterrupt power supply i.e if 12vDC/24vDC battery goes off, want to switch over to backup battery. Also the backup battery should recharge with 12vdc/24vdc vehicle battery supply. Input power supply of the modem is 12v-24vDC and 2Amps. Is there any circuit? I googled but cant find the circuit for my electrical specs.
Thanks
I've a vehicle tracking modem which is going to connect in a vehicle has 12v/24vDC battery. I just need to connect a backup battery(12vDC) to modem for uninterrupt power supply i.e if 12vDC/24vDC battery goes off, want to switch over to backup battery. Also the backup battery should recharge with 12vdc/24vdc vehicle battery supply. Input power supply of the modem is 12v-24vDC and 2Amps. Is there any circuit? I googled but cant find the circuit for my electrical specs.
Thanks