Ah C.E. Wally World sells a 29.00 2Amp and it has auto shut off. Better? Harbor Freight has one two. DON'T mess with battries until you know what your doing! They WILL explode. And I mean EXPLODE! Learn more before you do this, (some more). Don't want to see ya' hurt. They give off gases as they charge. Learn More.
Only Bikers know why dogs love to stick their heads out of car windows,