Tekonsha 1026 Shur-Set III Breakaway System with Battery and Switch Breakaway System for use on 1 and 2 axle trailers 2018 Polymer Battery Case with A-Frame or Post Mounting Bracket 2023 Rechargeable Sealed 12v 5 Amp Lead Acid Battery and Terminals 2005-P Breakaway Switch Battery Charger Sold Separately