Get long life and plenty of power with the HPI GT 7.2v 3300mAh
nickel-metal hydride rechargeable battery pack. With its massive
capacity you'll be running far longer than before, enjoying its
fully 7.2v power! Perfect for the E-Firestorm off-road truck, the
E10 drift and touring cars, the E-Savage electric monster truck and
the complete range of HPI Roto Start 2 or original Roto Start
engine starting systems! Supplied with standard RC battery
connector. Charge only with a Ni-MH compatible charger.