RB Components 12v High Capacity Power Kit for 2007-2018 Sprinter Vans allows you to run your 12 volt lights, charge your cell-phones and run other 12 volt accessories all day long. We recommend using a deep cycle AGM batteries with at least 220 AH for maximum system potential and performance. #rbcomponents #rbadventurevans #sprintervanconversion #mercedes #power #diyvan #vanconversion