These are the highest quality stick packs in the business. These 5000mAh voltage enhanced Elite cells have the highest voltage available for those seeking blistering speeds. Each cell is cycled and voltage enhanced to assure the quality and highest performance of each cell. These are the our highest quality stick pack for the serious basher.If your using a high quality brushlees motor setup then these are that packs for you. Each pack is hand soldiered, no spot welds here, to provide nearly a failure proof battery pack. These packs are perfect for you Traxxas Slash,Emaxx,E Revo.