Series 4 NiMH 7 Cell Flat 4200mAh 8.4V TRA Connector
Premium Series 4 battery packs offer 4200+mAh capacity, over 25% greater capacity than Series 3 packs for even longer run times and higher sustained voltage under load. Series 4 packs are ideal for peak performance in power-hungry models such as the brushless-equipped Rustler VXL, Bandit VXL, Stampede VXL, E-Maxx Brushless Edition, and E-Revo Brushless Edition. Series 4 batteries feature Traxxas High Current connectors, high-efficiency Maxx Cable wires, and heavy-duty double-tab, quad-welded construction.