1、Voltage Stabilization: The farad capacitor could stabilize the voltage and reduce battery waste, saving energy greatly. 2、Multi Function: This capacitor can help users to optimize backup power application, and features resistance or active monomer equalization. 3、Car Rectifier Upgrade: This set includes 2 piece 2.7V 500F capacitors, using 6 pieces can make a car rectifier with a capacity of 16V 83F. 4、Long Service Life: The capacitor is fine made of excellent material, which has good durability, the charge discharge cycle life is up to 1 million times. 5、Wide Usage: This capacitor is suitable for automotive rectifiers, which can enhance stereo and balance speakers, extend battery life. Item Type: Automobile Car Farad Capacitor Model: 2.7V500F Color: Blue Size: Approx.35x60mm/1.4x2.4in Features: 1. Help users to optimize backup power applications 2. Overvoltage output signal 3. The charge discharge cycle life is up to 1 million times or DC 10 years 4. With resistance or active monomer equalization function 2 x Automobile Car Farad Capacitor Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.