If multiple cells are used the equivalent resistance is based on the number of capacitors in series or parallel. A rapidly emerging and increasingly applied technology ultracapacitors are capable of storing and discharging energy very quickly and effectively. The Cap Kart V2 0 Axiom Ensure Trouble Free Supercapacitor Operation With Maxwell Technologies Maxwell K2 Series 3v Ultracapacitors In Due to their many benefits ultracapacitors are currently being utilized in thousands of different applications and considered in an equally diverse. Ultra capacitors in series . I measured 2 voltage drop across the series connected capacitors. Like other electrical elements capacitors serve no purpose when used alone in a circuit. In order to increase there rated terminal voltage to tens of volts ultracapacitor cells must be connected in series or in parallel to achieve ...