Schumacher Electric SC1667 6V/12V Time Controlled Battery Charger & Jump Starter – 250A, 135-Min Timer, 3 Boost Modes

Take charge of your battery needs with the Schumacher SC1667 250A 6V/12V timer controlled charger and jump starter. This versatile tool lets you fine tune charging with a 135 minute timer and a charge rate selector, delivering precise control at every stage of the process without guesswork.

The SC1667 combines a powerful engine start capability with flexible charging options. Its 250A start mode is built to jump start cars, SUVs, trucks, RVs, and other large engines, while three boost levels offer tailored help for deeply discharged batteries. A 10A 12V mode handles basic charging tasks with ease, making this unit useful for routine maintenance as well as emergency starts. It supports a wide range of battery types, including standard, AGM, and gel, so it can adapt to different vehicles and equipment in a single shop or garage.

Key features

• Precision timer control with an integrated ammeter and charge rate selector for monitored, customized charging sessions
• Versatile boost and start options including 50A 12V, 25A 12V, and 25A 6V boosts plus a 250A engine start mode
• Broad battery compatibility with standard, AGM, and gel chemistries
• Rugged metal housing and flexible six gauge cables designed for reliable performance in cold weather
• Overload protection and Schumacher reliability backed by a trusted brand in automotive accessories

Real world use cases

• In a home garage, achieve controlled charging with real time monitoring and adjustable ramping
• Jump start assistance for large engines in cars, trucks, or RVs when batteries are deeply discharged
• Year round charging and maintenance for mixed battery types without swapping equipment

In short, the SC1667 blends precision control, strong starting power, and broad compatibility in a durable package designed to support both professional workshops and dedicated home enthusiasts. While results can vary by vehicle condition and battery health, this unit offers a thoughtful balance of capability and safety to support your charging needs.