Pro Charging Systems 12 Volt battery charging system designed for the demands of Industrial and Rental Markets. May be used in many types of applications including: Lift Equipment, Electric Buses, Golf Carts, Scrubbers, Electric Utility Vehicles, or more. Battery system balancer is specifically designed to charge 12V batteries independently of each other. Because the charger is dual fan cooled, it can deliver higher amperages throughout the charge profile and recover batteries at a faster rate. It is ideal for 220AH to 300AH capacity batteries.