The connectors lack the weatherseal and are leaching copper in the recent rains, so I subtracted another star for

It worked well for two years, so it gets two stars

For the 4 batteries, I have a 4 unit charger in an outdoor enclosure ready to hook up (with exentsions)For portability and "need it now" charging I have the fast and the furious charger (see my reviews for it's advantages over this unit).At 1.25A charging current x 4 you are only getting 15V x 5A or 75W of output for over 180 dollars, which is not a good value, so I subtracted one star

Came with everything needed, works as it should.

I have been using this charger on my boat batteries for several months now and it works exactly as they say it would.