Attwood Marine Battery Charger Attwoods Battery Charger is compact and perfect for your bench, garage or shop use. Overcharge, short circuit and reverse polarity protection provides years of worry free use. Provides 2 and 6 amp charge for 12V batteries. 6 amp charge for 6V batteries. Automatically switches to trickle charge mode after battery is fully charged. Dual rated 12 and 6 volt battery charger can be used for all of your marine, automotive, RV and sports applications. Features LED indicat