battery back up

[tommy98]

hi does anyone know if someone makes a battery back up set up so when power goes out it would switch on by it self ? thanks Tommy

 

[92protruck]

what do you mean exactly? are you describing a UPS computer type battery backup, a heavy duty sump battery backup, a powerverter Tripplite or APC? Do you mean air bubbler only battery backup like Silent Air B-11? What are you trying to power?