Traxxas 2941X Series 3 NiMH Battery Pack 7-Cell 8.4V 3300mAh Hump w/iD Conn Bullet Parts and the set expands easily

and the set expands easily with any other N scale Unitrack

02" (26mm) 4-Point

Triple Ball Bearings

Traxxas TQi transmitters with Multi-Function knob

CNC Machined steel gears for precision

Traxxas 2941X Series 3 NiMH Battery Pack 7-Cell 8.4V 3300mAh Hump w/iD Conn Bullet Parts and the set expands easilyTraxxas 2941X Series 3 NiMH Battery Pack 7 Cell 8. 4V 3300mAh Hump w iD Conn This is the Traxxas 8. 4V 3300mAh Hump NiMH Battery Pack. FEATURES New high current connector with gold plated copper terminals iD Auto Battery Identification allows Traxxas iD equipped chargers to automatically set and optimize charge settings MAXX cable high efficiency 12 gauge silicone jacketed wire Sub C size cells INCLUDES 7 cell 8. 4V 3300mAh iD Power Cell NiMH Hump