MaxV-SPEC batteries pack the power! MaxV-SPEC batteries feature modified chemistry, that produces the ultimate combination of power, capacity, and low resistance. MaxV-SPEC batteries were developed for the extreme demands of National-level spec class racing, where horsepower and low internal resistance is critical. MaxV-SPEC batteries also feature proprietary Silicon Graphene technology, which stabilizes the cells and increases their cycle life & efficiency. For the Ultimate LiPo Power and Performance, Fantom Racing MaxV-SPEC LiPo’s set the standard for high-performance LiPo technology!