Listen to the Battery Den 2 Battery Revolution Clubhouse Session recorded on 26 June 2021. During the second Battery Den, three battery start-ups pitched to a panel of 4 experts. Weekly Battery Revolution Clubhouse Sessions are co-hosted by Katherine Kan and Dr. Simon Engelke. Search for the Battery Revolution Club on Clubhouse and join us on Saturdays at 3 pm CET / 9 am ET / 10 pm SST.