The Dynamite® 7.4V & 11.1V Li-Po mini battery packs provide a boost in power, top speed and run time to any Losi® or ECX® mini vehicle and Pro Boat® 17-inch and smaller models when compared to the included Ni-MH battery. The EC3™ plug will improve efficiency, and the Li-Po battery technology will increase the battery;s life cycle and improve the model's overall performance. This will directly fit into all Losi, ECX and Pro Boat mini models that use a long or shorter 4+2 configured Ni-MH battery pack, such as DYN1472 & DYN1455, while providing improved power and run time over stock Ni-MH battery packs included with the models.