Feature:1. Saving Energy: The farad capacitor is capable of stabilising the voltage thus largely facilitating the power supply and saving.2. Reliable Work: Also comes with the equilibrium function of resistance or active cells, these super capacitors are very reliable.3. Car Capacitor: You can use 6pcs of the 2.7V 500F capacitor to build a 16V 83F car rectifier, satisfying your working needs.4. Practical Use: Suitable for automotive rectifiers, can boost, stereo, balance speakers to extend battery life, voltage, etc.5. Easy to Install: Light in weight and compact in size as well, the simple installation can be quickly completed within minute.Specification:Item Type: Farad CapacitorModel: 2.7V500FColour: BlackSize: Approx. 35 x 60mm / 1.38 x 2.36inFunction:1. Helps optimize backup power applications.2. Over voltage output signal. 3. The charge discharge cycle life is up to 1,000,000 times or DC 10 years.4. Equilibrium function of resistance or active cell. Applications: Suitable for automotive rectifiers, can boost, stereo, balance speakers, extend battery life, voltage, series plus fuses and wires can be paralleled on the battery. .Package List:2 xFarad Capacitor