Delhi NCR-based battery swapping startup Battery Smart raised $29 Mn in its ongoing Series B extension round led by Rising Tide Energy.Other participants in the funding round include responsAbility, Ecosystem Integrity Fund, and LeapFrog Investments.Battery Smart plans to utilize the capital to expand its presence in existing cities and enter new markets.Founded in 2020, Battery Smart has raised a total of over $139 Mn in funding and currently has the highest number of swapping stations in Delhi NCR.