If you want a dependable and durable plating machine, check out this Arbe 25 amp rectifier. 

This unit has a dial that will provide better accuracy, oversized heat sinks, and a built-in cooling fan to prevent overheating.  The output current is 99% filtered to ensure maximum results. 

This unit is a good choice if you do lots of plating, and electro-cleaning in your shop.  Find this and other plating items over at Stuller.com/tools.