This is the Traxxas Parallel Battery Connection Wire Harness.          
                                                                               
FEATURES: For use with Traxxas 2/3A battery packs only, with iD connector such 
            as the Series 1 2925X 1200mAh NiMH battery,             
          Combines battery capacity for extra-long run time                    
                                                                               
INCLUDES: Parallel Battery Connection Wire Harnesse with iD Connectors         
                                                                               
COMMENTS: Dual battery operation requires attention to precautions outlined in 
            owner's manual. Follow all precautions to assure peak performance  
            and reliability of model and batteries.