This is the Traxxas 7-Cell, 8.4V, 3000mAh "Power Cell" Flat Battery Pack. Experience all the performance that’s been engineered into your Traxxas models! Traxxas Power Cell batteries deliver unmatched speed, acceleration and power in all Traxxas cars and trucks—boats too.
Traxxas Power Cell Battery Packs are optimized for free-flowing power and maximum punch with premium quality, low-resistance cells; flexible, silicone-jacketed 12-gauge wire; heavy-duty welded tabs; and Traxxas' high-output, gold plated, high-current connectors. Precision assembly with an attractive over-wrap complete the package.
The 7-cell pack offers 15% more voltage to give your model maximum acceleration and speed—depending on your model, top speed can increase by as much as 10mph simply by installing a 7-cell pack, no other modifications required! The 7-cell flat pack fits in all Traxxas E-Maxx, Summit, E-Revo, and Slash Models.