US Patent 10023069 Battery pack for electric vehicle

A battery pack for an electric motor comprises a base plate, a plurality of rectangular battery modules positioned laterally one next to another, a securing strap provided for each battery module and including an upper portion extending along an upper surface of the corresponding battery module in a fore and aft direction, a front portion extending downward from a front end of the upper portion along a front surface of the corresponding battery module, a rear portion extending downward from a rear end of the upper portion along a rear surface of the corresponding battery module, a front mounting portion formed in a lower end of the front portion and secured to the base plate, a rear mounting portion formed in a lower end of the rear portion and secured to the base plate. A connecting plate extends laterally and is fixedly connected to the securing straps.