Easily charge, recondition, and maintain 6V and 12V batteries, jump-start engines, or test alternators with the VIKING™ Wheeled Battery Charger, Engine Starter, and Alternator Tester. The multi-function display is easy to use, allowing you to switch quickly between functions. This charger is compatible with standard, gel, marine, AGM, and deep-cycle batteries. This dependable battery charger is ideal for use with automobiles, SUVs, trucks, riding lawn mowers, UTVs, motorcycles, medium-duty trucks, RVs, boats, and tractors.