Ultimate Speed ULGD 5.0 car and motorbike battery charger.
Apparently it has a very cheap price and can be very useful in some situations when your car battery is dying.
Watch this video right here for more details.
It has F.L.I.R.T processor for mode controlling.
Here are some stats you need to know about this charger.
You change the 4 modes with the button, the modes are:testing, car, motorbike, and winter.