From the manufacturer

        3 Speed Automatic Charge

BLACK+DECKER manufactures high-quality power tools and hand tools, that are engineered to make operation easier and convenient. This automated vehicle battery charger provides an optimum charging output of 12.8-Volts. It can quickly revive deeply discharged batteries with a safe and easy charging mechanism.

This automated battery charger provides 3 speed charging with 2Amp, 8Amp and 12Amp current. It provides fast charge to revive deeply discharged batteries in order to get them functioning again.

     Ideal for Professional and Domestic Use

This battery charger is ideal for use by professional mechanics. It is also suitable for domestic applications. It has a digital smart control microprocessor that protects the charger from short circuits. It also has an in-built automatic float mode to monitor and prevent the battery from getting overcharged.