Lightning Audio LSD1003 Strk 1 Farad Dig Cap Digital LED Voltage Display: Red Neon Read Out Auto Sensing Turn-on Audible Reverse Polarity Warning Thru-Post DesignEnsures Maximum Voltage Output ESR Less Than 1.5 MilliohmsDelivers Up to 10,000 Amps Instantly! Super High Gain FoilExtreme Energy Storage Capacity