Three bank battery charger

Joined
Jul 9, 2009
Location
bessemer, alabama
#1
Ok, just wondering because I don't know. I don't know the exact brand name it is but, on my Ranger it has a three bank battery charger, just says Ranger Special Edition. 3 different light groups for each battery. When I plug in the charger to charge the batteries, does it shut off until one or more batteries need charging? I guess my question is Does it hurt to leave the charger pluged in say a week at a time or maybe more? I always plug it in after I am done fishing and once all the lights go green, I unplug it. And before I go again the night before I'll plug it back in. :confused: Would it hurt to leave it plugged up?????