EXPIREDThe Black & Decker 10 Amp Battery Charger is designed to efficiently prolong overall battery life. It features a simple selector dial for easy operation, which allows dialing into a function and letting the charger do the rest which ensures longer life for the battery. This Black & Decker Battery Charger has a durable design with heavy-duty cables and clamps for increased durability in charging environments. It offers fully automatic process that charges up to 50 percent faster than other conventional chargers. This 12 Volt Battery Charger contains an LCD screen that displays the battery voltage, charge rate and battery diagnostics. It provides alternator diagnostics, cord or cable wrap and clamp storage that allows the unit to store safely as well as compactly.