Last month, the firm had raised $45 million as part of its Series B capital infusion. : Bengaluru: Battery Smart, an electric vehicle (EV) battery swapping station provider, has raised $65 million in an extended Series B funding round led by LeapFrog Investments. The company plans to expand its battery-as-a-service network to more regions, including tier 2 and tier 3 cities. The fundraising included both primary and secondary investments, with participation from existing investors such as MUFG Bank, Panasonic, Ecosystem Integrity Fund (EIF), Blume Ventures and British International Investment, the company said in a statement on Tuesday.