The Schumacher SC1667 250A 6V/12V Timer-Controlled Battery Charger and Jump Starter is the perfect choice for home mechanics who prefer to have complete control over their charging process. This versatile tool allows you to set a 135-minute timer, ensuring complete control over every aspect of the charging process. With multiple charging options, the SC1667 is equipped with a 250 cranking amp (12V) engine start, making it strong enough to jump start cars, SUVs, trucks, RVs, and other large engines. Additionally, the SC1667 offers three boost modes – 50A 12V, 25A 6V, and 25A 12V – perfect for adding a quick charge to deeply discharged batteries. The 10A 12V charge mode is ideal for basic battery charging and the SC1667 is compatible with most automobile battery types, including standard, AGM, and gel batteries. The SC1667 boasts a rugged metal casing, a sturdy handle, and 6-gauge output cables designed to remain flexible in cold weather. Color-coded clamps ensure easy and efficient connections. Choose the Schumacher SC1667 250A 6V/12V Timer-Controlled Battery Charger and Jump Starter for complete control and optimal charging performance when you need it most.