HARLEY DAVIDSON FLD 1690 DYNA SWITCHBACK, FLS 1690 SOFTAIL SLIM, FLST 1450 HERITAGE, FLSTC 1340 HERITAGE SOFTAIL CLASSIC 1991-2016 BATTERY AGM MAINTENANCE FREE 12V 18 AH 270A 5.1 KG 174.63 MM X 87.31 MM X 155.58 MM BLACK (YTX/ CTX20L-BS)