Buddy of mine is looking for a unit that will give him some back-up for his sump pump. What he wants is a device that:
Plugs into an outlet The pump plugs into the device The device trickle charges a car battery If AC power fails the battery provides AC through the device
I've done some googling but can only find complete systems with battery included or stand-alone inverters. He already has the battery and pump just needs the 'device'. Anyone know where to get such a gizmo?