OER Parts offers a wide selection of Battery Accessories for your 2009 Dodge Avenger. OER Parts offers 2009 Dodge Avenger Battery Tender, 2009 Dodge Avenger Battery Managment System, 2009 Dodge Avenger Dual Battery System Controller Set, and 2009 Dodge Avenger Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller