Keywords that can be used to describe this automotive battery charging unit would be - state of the art, intelligent, versatile and safe.This thing can do it all. It can fast charge a battery, repair, and even maintain the car battery if storing it long term. This reliable model provides proper charging capabilities for almost any type of lead acid battery, including gel cell, flooded, spiral would, AGM, and deep cycle marine batteries. Nothing is off limits. And it will charge them properly, they best way possible for each type of battery. No other manufacturer offers so much for so little.