Black And Decker Smart Battery Charger Whats The Difference Between A Black & Decker 'Simple Start', 'Safety Start' And 'Smart Start'?

Whats the difference between a Black & Decker 'Simple Start', 'Safety Start' and 'Smart Start'? - black and decker smart battery charger

The battery of my car is dead (because I left a light hid .. - Damn MGS with these lights in the mirror) I tried one of those car owners to buy Black & Decker stuff .. But advertising on television .. was a good start "easy" when searching online, Argos .. only guarantee "at home" So I called and black two floors to make a difference and to check whether the battery is accusing me, completely flat. The guys put on hold for a while, turned around and said, "the simple principle can start a dead car that needs some real intelligent principle of autonomy and work. .. I asked just simply smart and safe, and tell me, Thanks verifying the information on the black and the official site of the only two stories BDV030 and BDV040, identical images and identical description for sale in Argos, said that "gives the vehicle batteries at low support they need to start you in minutes. .. suggests that it takes a real life / battery. Help!