OER Parts offers a wide selection of Battery Accessories for your 2004 Dodge Caravan. OER Parts offers 2004 Dodge Caravan Battery Tender, 2004 Dodge Caravan Battery Managment System, 2004 Dodge Caravan Dual Battery System Controller Set, and 2004 Dodge Caravan Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller