ST Racing Concepts ST3727B Aluminum Pro Racing Battery Strap for Traxxas Slash (Blue) Add more strength and battery position adjustability to your Traxxas Slash with our Pro Racing CNC Machined aluminum battery strap Our battery strap allows for better access for lipo batteries that the plug comes out from the side of the pack (SMC, Robitronics, Reedy etc) Our battery strap also help in providing more clearance for owners that runs side by side NiMH batteries that use battery bars as terminals