Easy to use plug in gtchargegtunplug the infapower home charger will charge two or four aa aaa or one or two 9v ni mh batteries it comes supplied with infapowerrsquos high capacity extra longlife aa 2700mah ni mh batteries charge time for batteries supplied 20 hours features include manual charge control ndash all charging times are controlled by the user short circuit protection reverse polarity protection features charging current aa140 190ma aaa55 75ma 9v 16 22ma battery t