Note: Dear buyer, because the capacitor is a live product, Express Standard Logistics sometimes returns it, so please place an order. If you can choose rookie special logistics, it is better to choose special logistics. Thank you! Voltage 0-16v Capacity 83F Product weight: 470g Dimensions: L 230 * W 35 * H 65mm Features of onboard rectifier products: (1) Improve power and fuel economy (2) Improve sound quality and light (3) Reduce emissions, save energy and protect the environment (4) Fast installation, special for car Longer battery life: Battery life will be longer after the charging current is stable and removed from the battery, otherwise the high current and low current before installation will cause great damage to the battery. (generally, it can be extended by 1-3 years) the module life is 5-10 years) 1. Increase engine power to make throttle response lighter and more sensitive 2. Improve the phenomenon of low-speed power and make shifting more stable 3. Improve ignition performance to make fuel combustion more complete 4. The spark plug supplies power to each cylinder evenly to make the engine run more smoothly 5. Reduce idle shaking and make it more stable 6. Reduce pipeline distortion and improve the sound quality of the vehicle audio system 7. Protect the battery and circuit of the original vehicle, reduce the load and prolong the service life Reduce car starting time