The battery is 6S3P (21.6v nominal / 25.2v max, 4.5Ah total) lithium ion 18650 rated at 8C max continuous discharge.  BMS is 30A continuous / 60A peak, with all standard safety protection plus cell balancing.  Running high-discharge cells in a 3P configuration gives the Riptide enough amperage to handle heavy loads when it needs it.