Compared to my old bulky transformer 6/2 charger, this one runs circles around it. It uses newer technology eliminating the bulky transformer, resulting in very compact and lightweight unit. Yet it delivers almost 3 times the output as the old one. Being used to seeing the old analog amp meter, the digital display showing % charge was different at first glance... but it soon became apparent that this is a much better way to truly see how the charging is progressing. Only 2 buttons to set: One selects the type of battery (standard, AGM or GEL), and the other selects the charge rate (2-10-15). Bingo! I charged a new 700 cca battery from 67% charged to fully charged in about an hour at the 10 amp rate. As the charge got to 100%, the charger automatically sensed it and switched to the 2 amp "maintaining" rate. No worries about overcharging and cooking a battery. One "little" feature which I love is the fact that it has built in cord wrap arms for wrapping the cords for storage. A little thing, but oh so convenient. Very few manufacturers ever provide means for storing cords with a device... thanks Schumacher! The owners manual is very thorough and explains different anomalies that may show up and the proper course of action for each. Very helpful. So far, I see no "cons" other than the fact that the indicator LEDs are hard to see in bright sunlight... but all digital devices have that drawback. The "&charge" lcd display, however, is quite visible even in the sunlight. I was always uncertain with my old charger... and concerned that I might be doing more harm than good from potential overcharging. But this new smart charger gives peace of mind. That alone is worth the investment.
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