A battery assembly for a vehicle or other equipment including at least one battery module having a pair of battery terminals with a distance therebetween, and a housing assembly including a receiver defining a receptacle for receiving the battery module and a pair of battery terminals. The distance between the battery terminals of the housing assembly is greater than the distance between the battery terminals of the battery module. The distance between the battery terminals of the housing assembly may be the same as the distance between the battery terminals of a standard battery. The exterior dimensions of the housing assembly may be the same as the exterior dimensions of a standard battery. The said at least one battery module may be multiple battery modules where they may be connected to each other in parallel or in series or, a combination of both.